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A product on one or two A4 pages: the pinout, a sketch that works, and what to check when it does not.

• DRV8833 quick referencePDF631 KB · updated 2026-09-22

  Two A4 pages: the supply limit, the header, the four states, the sleep and fault pins, a sketch that runs both motors, and what to check when nothing moves.

• SPI TFT LCD display kit quick referencePDF966 KB · updated 2026-10-14

  Three A4 pages for all six boards: the shared eight holes and the 3.3 V limit with each board's numbers side by side, which board is which and what only the 0.96 and the 2.4 inch have, and a bench page with one sketch, the wiring, the jumpers and what to check.

  Used by SPI TFT LCD Display Boards, 0.96 to 3.5 inch

• 0.96 inch LCD board quick referencePDF620 KB · updated 2026-10-14

  Two A4 pages: the 3.3 V limit, the eight holes with their 15-way contacts and default GPIOs, what a full redraw costs at least, a first-picture sketch, the two solder jumpers, and what to check when the screen stays dark.

• 1.8 inch LCD board quick referencePDF590 KB · updated 2026-10-14

  Two A4 pages: the 3.3 V limit, the eight holes with their 15-way contacts and default GPIOs, what a full redraw costs at least, a first-picture sketch, the two solder jumpers, and what to check when the screen stays dark.

• 2.0 inch LCD board quick referencePDF546 KB · updated 2026-10-14

  Two A4 pages: the 3.3 V limit, the eight holes with their 15-way contacts and default GPIOs, what a full redraw costs at least, a first-picture sketch, the two solder jumpers, and what to check when the screen stays dark.

• 2.4 inch LCD board quick referencePDF525 KB · updated 2026-10-14

  Two A4 pages: the 3.3 V limit, the eight holes with their 15-way contacts and default GPIOs, what a full redraw costs at least, a first-picture sketch, the two solder jumpers, and what to check when the screen stays dark.

• 2.8 inch LCD board quick referencePDF522 KB · updated 2026-10-14

  Two A4 pages: the 3.3 V limit, the eight holes with their 15-way contacts and default GPIOs, what a full redraw costs at least, a first-picture sketch, the two solder jumpers, and what to check when the screen stays dark.

• 3.5 inch LCD board quick referencePDF466 KB · updated 2026-10-14

  Two A4 pages: the 3.3 V limit, the eight holes with their 15-way contacts and default GPIOs, what a full redraw costs at least, a first-picture sketch, the two solder jumpers, and what to check when the screen stays dark.

• USB-C breakout quick referencePDF563 KB · updated 2026-09-24

  Two A4 pages: the six pads in order, what the two CC resistors do, how much current you may take, a sketch that reads what the charger offers, and what to check when VBUS reads 0 V.

  Used by USB-C Breakout Board with 5.1 kΩ CC Resistors

• TK51 TM1637 4-Digit Display quick referencePDF322 KB · updated 2026-09-25

  Two A4 pages to print: the header with no square pad, VCC on your board's logic supply, the colon's bit, the eight brightness steps, a sketch for three boards, and six things to check.

  Used by TM1637 4-Digit Display (0.56 inch)

• TK52 8x8 LED Matrix quick referencePDF379 KB · updated 2026-09-25

  Two A4 pages to print: the header with its NC and no square pad, VCC on 5 V, one message of sixteen bits, brightness as time, a sketch with no library for four boards, and six things to check.

  Used by 8x8 LED Matrix

• SD Card Reader, quick reference (PDF)PDF497 KB · updated 2026-09-17

  Two A4 pages to print: the 3.3 V limit, both faces of the header and what each mode wires, the measured speeds, the SPI sketch, the 4-bit change, card detect and write protect, and six things to check when it does not mount.

• MicroSD Card Reader, quick reference (PDF)PDF519 KB · updated 2026-09-17

  Two A4 pages to print: the 3.3 V limit, both faces of the eight-hole header and what each mode wires, the measured speeds, the SPI sketch, the 4-bit change, and six things to check when it does not mount.

• SD and microSD Card Readers, quick reference (PDF)PDF789 KB · updated 2026-09-17

  Three A4 pages for the set: both boards' headers and what each mode wires, which board takes which card, card detect and write protect, the measured speeds on each, the SPI sketch and the 4-bit change, and six things to check when a card does not mount.

• XL LED, quick reference (PDF)PDF514 KB · updated 2026-09-18

  Two A4 pages to print: the resistor to keep, the header and which two pins to wire, how bright it is on a 5 V and a 3.3 V board, the blink sketch, brightness with PWM, and six things to check when it will not light.

  Used by XL LED

• RGB LED, quick reference (PDF)PDF491 KB · updated 2026-09-18

  Two A4 pages to print: the resistors to keep, the header and which four pins to wire, each colour's current on a 5 V and a 3.3 V board, why equal numbers are not white, a colour sketch, and six things to check.

  Used by RGB LED

• Traffic Light, quick reference (PDF)PDF483 KB · updated 2026-09-18

  Two A4 pages to print: the resistors to keep, the header and which four pins to wire, each light's current, a state-machine sketch with millis(), wiring for four boards, and six things to check.

  Used by Traffic Light

• Push Button, quick reference (PDF)PDF494 KB · updated 2026-09-18

  Two A4 pages to print: why VCC must match your board, the header and which three pins to wire, the pull-down that makes a press read HIGH, a debounced press counter, wiring for four boards, and six things to check.

  Used by Push Button

• Latching Button, quick reference (PDF)PDF470 KB · updated 2026-09-18

  Two A4 pages to print: why VCC must match your board, the header and which three pins to wire, reading a level rather than a press, a sketch that reads the switch at start-up and reports each change, and six things to check.

  Used by Latching Button

• Rotary Encoder, quick reference (PDF)PDF425 KB · updated 2026-09-18

  Two A4 pages to print: why VCC must match your board, the six-pin header and which five to wire, how CLOCK, DATA and BTN behave, an interrupt counter sketch, wiring for four boards, and six things to check.

  Used by Rotary Encoder

• Disc Potentiometer, quick reference (PDF)PDF462 KB · updated 2026-09-18

  Two A4 pages to print: why VCC must match your board, the header and which three pins to wire, what each board reads at the stops, a percentage sketch, wiring for four boards, and six things to check.

  Used by Disc Potentiometer

• Rotary Potentiometer, quick reference (PDF)PDF390 KB · updated 2026-09-19

  Two A4 pages to print: why VCC must match your board, the header and which three pins to wire, how much the LED on the wiper bends the reading, a volts sketch, wiring for four boards, and six things to check.

  Used by Rotary Potentiometer

• Voltmeter, quick reference (PDF)PDF496 KB · updated 2026-09-18

  Two A4 pages to print: the input limit for each board, which screw is which, why it measures from GND, a battery sketch, wiring for four boards, and six things to check.

  Used by Voltmeter

• NTC Thermistor, quick reference (PDF)PDF443 KB · updated 2026-09-18

  Two A4 pages to print: why VCC must match your board, the header and which three pins to wire, the voltage at three temperatures, a degrees sketch, wiring for four boards, and six things to check.

  Used by NTC Thermistor

• IR Receiver, quick reference (PDF)PDF522 KB · updated 2026-09-19

  Two A4 pages to print: why VCC must match your board, the header and which three pins to wire, what SIGNAL does with and without a remote, a key-code sketch, wiring for four boards, and six things to check.

  Used by IR Receiver

• IR Sender, quick reference (PDF)PDF502 KB · updated 2026-09-19

  Two A4 pages to print: the 5 V limit on VCC, the header and which three pins to wire, what the supply rail buys in range, a sketch that sends a code, wiring for four boards, and six things to check.

  Used by IR Sender

• IR Remote Kit, quick reference (PDF)PDF853 KB · updated 2026-09-19

  Three A4 pages for the whole kit: both headers, which board does which job, what each needs on VCC, a loop-back sketch that tests a receiver and a sender together, wiring for four boards, and six things to check.

  Used by IR Receiver, IR Sender

• Collision Sensor, quick reference (PDF)PDF482 KB · updated 2026-09-19

  Two A4 pages to print: why VCC must match your board, the header and which three pins to wire, how far the lever moves before a hit reads HIGH, a debounced hit counter, wiring for four boards, and six things to check.

  Used by Collision Sensor

• Hall Effect Sensor, quick reference (PDF)PDF494 KB · updated 2026-09-19

  Two A4 pages to print: why VCC must match your board, the header and which three pins to wire, where to hold the magnet and how close it must come, a door-alarm sketch, wiring for four boards, and six things to check.

  Used by Hall Effect Sensor

• 4-Direction Tilt Sensor, quick reference (PDF)PDF471 KB · updated 2026-09-19

  Two A4 pages to print: why VCC must match your board, the six pins, which pair of contacts closes for which edge, a scan sketch that prints the low side, wiring for four boards, and six things to check.

  Used by 4-Direction Tilt Sensor

• Ambient Light Sensor, quick reference (PDF)PDF481 KB · updated 2026-09-19

  Two A4 pages to print: why VCC must match your board, the header, what a reading means in lux and where it runs out, a night-light sketch, wiring for four boards, and six things to check.

  Used by Ambient Light Sensor

• Slim Joystick, quick reference (PDF)PDF563 KB · updated 2026-09-19

  Two A4 pages to print: the six pins, what X, Y and KEY read, the level each of the six buttons gives on one analog pin, a sketch that reads all of it, wiring for four boards, and six things to check.

  Used by Slim Joystick

• Dual Axis Joystick, quick reference (PDF)PDF451 KB · updated 2026-09-19

  Two A4 pages to print: the header and which pins to wire, how the board works, a sketch that reads or drives it, wiring for four boards, and six things to check.

  Used by Dual Axis Joystick

• Analog Microphone, quick reference (PDF)PDF510 KB · updated 2026-09-19

  Two A4 pages to print: the header and which pins to wire, how the board works, a sketch that reads or drives it, wiring for four boards, and six things to check.

  Used by Analog Microphone

• Knock Sensor, quick reference (PDF)PDF489 KB · updated 2026-09-19

  Two A4 pages to print: the header and which pins to wire, how the board works, a sketch that reads or drives it, wiring for four boards, and six things to check.

  Used by Knock Sensor

• Analog to Digital Signal, quick reference (PDF)PDF509 KB · updated 2026-09-19

  Two A4 pages to print: the header and which pins to wire, how the board works, a sketch that reads or drives it, wiring for four boards, and six things to check.

  Used by Analog to Digital Signal

• Vibration Motor, quick reference (PDF)PDF551 KB · updated 2026-09-19

  Two A4 pages to print: the header and which pins to wire, how the board works, a sketch that reads or drives it, wiring for four boards, and six things to check.

  Used by Vibration Motor

• Touch Sensor, quick reference (PDF)PDF411 KB · updated 2026-09-25

  Two A4 pages to print: the header and the three holes to wire, why VCC is your board's logic supply, the half second to keep clear of the pad, a sketch that reads it, wiring for four boards, and six things to check.

  Used by TTP223 Touch Sensor

• Active Buzzer, quick reference (PDF)PDF433 KB · updated 2026-09-25

  Two A4 pages to print: the header and the three holes to wire, the pins that beep at boot because SIGNAL has no pull-down, 5V or 3V3 on VCC, an ESP32-S3 sketch, wiring for four boards, and six things to check.

  Used by Active Buzzer

• Reed Switch, quick reference (PDF)PDF420 KB · updated 2026-09-25

  Two A4 pages to print: the header and the three holes to wire, why VCC is your board's logic voltage, INPUT and not INPUT_PULLUP, where it closes and where it lets go, an ESP32-S3 sketch, wiring for four boards, and six things to check.

  Used by Reed Switch

• Door Sensor, quick reference (PDF)PDF503 KB · updated 2026-10-12

  Two A4 pages to print: the header and the three holes to wire, why VCC is your board's logic voltage, the pull-down the board leaves out, a sketch that sets one, wiring for four boards, and six things to check.

  Used by Door Sensor

• Infrared Transmitter, quick reference (PDF)PDF436 KB · updated 2026-09-25

  Two A4 pages to print: the header and the three holes to wire, why VCC may be 5 V on a 3.3 V board, the currents at 3.3 V and 5 V, why a TK15 needs 38 kHz, an ESP32-S3 sketch, wiring for four boards, and six things to check.

  Used by Infrared Transmitter

• Dual Bright LEDs, quick reference (PDF)PDF425 KB · updated 2026-09-26

  Two A4 pages to print: the header and the four holes to wire, why VCC may be 5 V on a 3.3 V board, why the PWM stops at 170 on 5 V, the currents at 3.3 V and 5 V, an ESP32-S3 sketch, wiring for four boards, and six things to check.

  Used by Dual Bright LEDs

• Infrared Receiver, quick reference (PDF)PDF427 KB · updated 2026-09-25

  Two A4 pages to print: the header and the three holes to wire, why VCC is your board's logic voltage, where SIGNAL tops out, why it is not the TK15, an ESP32-S3 sketch, wiring for four boards, a break-beam with the TK63, and six things to check.

  Used by Infrared Receiver

• Steam Sensor, quick reference (PDF)PDF407 KB · updated 2026-09-25

  Two A4 pages to print: the header and the three holes to wire, why VCC is your board's logic voltage, why it reads water and not humidity, the divider and the half second it needs, a sketch, wiring for four boards, and six things to check.

  Used by Steam Sensor

• Linear Hall Effect Sensor, quick reference (PDF)PDF436 KB · updated 2026-09-25

  Two A4 pages to print: the header and the three holes to wire, why VCC is your board's logic voltage, zero field at half scale, which pole raises it, an ESP32-S3 sketch that measures its zero and prints gauss, wiring for four boards, and six things to check.

  Used by Linear Hall Effect Sensor

• Five-Direction Joystick, quick reference (PDF)PDF423 KB · updated 2026-09-26

  Two A4 pages to print: the header and the three holes to wire, why VCC is your board's logic voltage, the voltage each push gives and the lines that tell them apart, a sketch that names each push, wiring for four boards, and six things to check.

  Used by Five-Direction Joystick

• Mechanical Key and LED, quick reference (PDF)PDF367 KB · updated 2026-09-26

  Two A4 pages to print: the header and the four holes to wire, why VCC is your board's logic voltage and what that costs the LED, why a press reads HIGH, a sketch that lights the key while it is held, wiring for four boards, and six things to check.

  Used by Mechanical Key and LED

• Logic Level Converter, quick reference (PDF)PDF507 KB · updated 2026-09-26

  Two A4 pages to print: both rows of eight, why the 3V3 pin is an output and how to wire it on a 5 V and a 3.3 V board, what the 3V3 pin can give, which signals are fast enough, a loopback sketch, and six things to check.

  Used by Logic Level Converter

• 3-Axis Accelerometer, quick reference (PDF)PDF450 KB · updated 2026-09-27

  Two A4 pages to print: the header and why 3V3 means 3.3 V, which way X, Y and Z point, why a still board reads 1 g, the one register write that wakes the chip, a first-reading sketch, the range table, and six things to check.

  Used by 3-Axis Accelerometer

• SHT31 Temperature and Humidity Sensor, quick reference (PDF)PDF425 KB · updated 2026-09-26

  Two A4 pages to print: the header and the four holes to wire, why VCC is your board's logic voltage, the two jumpers on the back and the two addresses they give, why readBoth beats two calls, a first-reading sketch, wiring for four boards, and six things to check.

  Used by SHT31 Temperature and Humidity Sensor

• 1.8-inch TFT Display, quick reference (PDF)PDF385 KB · updated 2026-09-26

  Two A4 pages to print: the eight pins and where each goes, why it is 3.3 V only and an Uno needs a TK97, the backlight that stays dark until BL is HIGH, the two jumpers, a first-light sketch, wiring for four boards, and what a white, black or wrongly coloured screen means.

  Used by 1.8-inch TFT Display

• Matrix Keypad I2C Adapter, quick reference (PDF)PDF405 KB · updated 2026-09-26

  Two A4 pages to print for the TK85: both headers and the four wires, why VCC is your board's logic voltage, the fixed address 0x20, the two keymaps, a first-keypress sketch, wiring for three boards, and six things to check.

  Used by Matrix Keypad with I2C Adapter (4x4, PCF8574)

• Piezo-Ceramic Sensor, quick reference (PDF)PDF386 KB · updated 2026-09-25

  Two A4 pages to print: the two holes to wire and why there is no VCC, what a tap looks like on SIGNAL, how high it can go on a 3.3 V board, an ESP32-S3 sketch, wiring for four boards, and six things to check.

  Used by Piezo-Ceramic Sensor

• Infrared Speed Sensor, quick reference (PDF)PDF430 KB · updated 2026-09-25

  Two A4 pages to print: the header and the three holes to wire, why HIGH means blocked, why VCC is your board's logic voltage, slots and rpm, how fast it can count, an ESP32-S3 tachometer on an interrupt, wiring for four boards, and six things to check.

  Used by Infrared Speed Sensor

• Tilt Sensor, quick reference (PDF)PDF415 KB · updated 2026-09-25

  Two A4 pages to print: the header and the three holes to wire, which edge reads HIGH and why level reads either, INPUT and not INPUT_PULLUP, what the 100 nF hides, an ESP32-S3 sketch, wiring for four boards, and six things to check.

  Used by Tilt Sensor

• Reflective Optical Sensor, quick reference (PDF)PDF460 KB · updated 2026-09-25

  Two A4 pages to print: the header and the three holes to wire, why VCC is your board's logic voltage, what SIGNAL reads over white, grey and black, the 2.5 mm the sensor likes, an ESP32-S3 sketch, wiring for four boards, and six things to check.

  Used by Reflective Optical Sensor

• EEPROM Memory, quick reference (PDF)PDF455 KB · updated 2026-09-24

  Two A4 pages to print: the header and which pins to wire, the three rules every write obeys, a sketch that saves and reads a byte, wiring for four boards, and six things to check.

  Used by EEPROM Memory

• RS485 board, MAX485 5 V quick referencePDF325 KB · updated 2026-09-24

  Two A4 pages: the six pins and the terminal, which board for which microcontroller, the 120 Ω that only the two end boards keep, RE joined to DE, a sketch that sends a first message, and what to check when nothing arrives.

  Used by RS485 Transceiver Boards: MAX485 for 5 V and MAX3485 for 3.3 V

• RS485 board, MAX3485 3.3 V quick referencePDF326 KB · updated 2026-09-24

  Two A4 pages: the six pins and the terminal, which board for which microcontroller, the 120 Ω that only the two end boards keep, RE joined to DE, a sketch that sends a first message, and what to check when nothing arrives.

  Used by RS485 Transceiver Boards: MAX485 for 5 V and MAX3485 for 3.3 V

• PCA9685 16-channel servo driver quick referencePDF561 KB · updated 2026-09-27

  Two A4 pages: the six-pin header and the servo rows, which rail feeds what, the address pads, a sketch that moves the first servo, and what the two LEDs say when nothing moves.

  Used by PCA9685 16-Channel Servo Driver: Sixteen Servos on Two I²C Wires

• TK100 I2S Amplifier quick referencePDF380 KB · updated 2026-09-24

  Two A4 pages: the six pins, CTRL that must be HIGH, the L/R jumper, a speaker on both outputs and neither to ground, a first sketch that plays a scale, and what to check when it stays silent.

  Used by I2S Amplifier

• TK101 PDM Microphone quick referencePDF331 KB · updated 2026-09-24

  Two A4 pages: the four pins, how a stream of single bits becomes a sample, why the numbers look small, a level meter for the Serial Plotter, and what to check when it reads nothing.

  Used by PDM Microphone

• TK103 I2S DAC quick referencePDF346 KB · updated 2026-09-24

  Two A4 pages: the six pins, line level for headphones and powered speakers and never a bare speaker, XSMT pulled up, the bit clock at 16 kHz, a left-then-right sketch, and what to check when it stays silent.

  Used by I2S DAC

• TK109 CAN Bus quick referencePDF338 KB · updated 2026-09-24

  Two A4 pages: the four pins straight across to a CAN controller, 3.3 V only, the 120 Ω that only the two end boards keep, GND and a twisted pair, why one board alone never gets an acknowledgement, a two-board ESP32-S3 sketch, and what to check when nothing arrives.

  Used by CAN Bus

• TK119 INA219 Current Monitor quick referencePDF355 KB · updated 2026-09-25

  Two A4 pages: the block in the positive wire only and 26 V at most, the header with SCL before SDA, the 3V3 hole that sets the bus level, the four ranges and their one 0.1 mA step, an ESP32-S3 sketch that prints all four numbers, the four addresses, and what to check when a reading is wrong.

  Used by INA219 Current Monitor

• TK50 Ultrasonic Distance Sensor quick referencePDF470 KB · updated 2026-09-25

  Two A4 pages: VCC on your board's logic voltage and no divider, the header and the mode table on its back, which pin is which in GPIO, I2C, UART and 1-Wire, the RANGE jumper, a sketch that prints centimetres without mistaking no echo for zero, and what to check when every reading is zero.

  Used by Ultrasonic Distance Sensor

• TK42 LM75 Temperature Sensor quick referencePDF424 KB · updated 2026-09-25

  Two A4 pages to print: the header and VCC on your board's logic supply, the fixed 0x48, the two bytes that are 256 times the temperature, the step against the accuracy, a sketch for four boards, and six things to check.

  Used by LM75 Temperature Sensor

• TK53 74HC595 Segment LED quick referencePDF325 KB · updated 2026-09-25

  Two A4 pages to print: the header with its NC pin, VCC on your board's logic supply, the byte for every digit, shift then latch, the current at 3.3 V and 5 V against the chip's 70 mA, a sketch for four boards, and six things to check.

  Used by 74HC595 Segment LED

• TK37 Passive Buzzer quick referencePDF428 KB · updated 2026-09-25

  Two A4 pages: never leave SIGNAL HIGH, the header and its three wired pins, a magnetic buzzer that sounds only on a square wave, where it is loudest, an ESP32-S3 melody sketch, volume by duty cycle, and what to check when it is silent.

  Used by Passive Buzzer

• TK38 DHT11 quick referencePDF395 KB · updated 2026-09-25

  Two A4 pages: 3V3 on VCC beside a 3.3 V board, the header and its three wired pins, what nan means, the DHT11's accuracy and range, a sketch that reads every two seconds, wiring for four boards, and six things to check.

  Used by DHT11 Temperature and Humidity Sensor

• TK39 DHT22 quick referencePDF360 KB · updated 2026-09-25

  Two A4 pages: 3V3 on VCC beside a 3.3 V board, the header and its three wired pins, why the sketch must say DHT22, tenths and the sign bit below freezing, a sketch that reads every two seconds, wiring for four boards, and six things to check.

  Used by DHT22 Temperature and Humidity Sensor

• DHT Sensor Kit quick referencePDF582 KB · updated 2026-09-25

  Three A4 pages for the six-pack: both boards' headers, which of the two to use for what, both sensors on one board with a DATA pin each, wiring for four boards, and six things to check.

• TK33 WS2812 RGB LED Bar quick referencePDF428 KB · updated 2026-09-25

  Two A4 pages: VCC on 5V and never 3V3, the header from GND at the top to DATA at the bottom, why a 3.3 V data pin is marginal, twelve milliamps a colour against a USB port, green read first, the chain ending at the fifth LED, an ESP32-S3 sketch, and what to check when the colours are wrong.

  Used by WS2812 RGB LED Bar

• Breadboard power adapter quick referencePDF408 KB · updated 2026-09-24

  Two A4 pages: which way round it goes, the four groups of pins, why the 5 V rail reads 4.7 V, a sketch that watches the rail from an ESP32, and what to check when the rail is wrong.

  Used by Breadboard Power Adapters: Standard 5 V / 3.3 V, Step-Down and Booster

• PDFStep-down power adapter quick referencePDF401 KB · updated 2026-09-24

  Two A4 pages: which way round it goes, the four groups of pins, why only the first fifth of the trimmer does anything, the heat a linear regulator makes, a sketch that watches the rail from an ESP32, and what to check when the rail is wrong.

• PDFBooster power adapter quick referencePDF415 KB · updated 2026-09-24

  Two A4 pages: which way round it goes, the four groups of pins, setting the voltage with a meter, how much current each voltage leaves, a sketch that watches the rail from an ESP32, and what to check when the rail is wrong.

• ESP32-S3 Expansion Base, quick reference (PDF)PDF557 KB · updated 2026-10-01

  Two A4 pages: the board-in-backwards warning, which ESP32-S3 GPIO each of the display plug's 15 contacts is, the pins and power on the four strips, a sketch that blinks a pin, and what to check when it does not work.

  Used by ESP32-S3 Expansion Bases: 2.54 mm, PinPulse, Pluggable Terminal and Screw Terminal

• ESP32-S3 Pluggable Terminal Base, quick reference (PDF)PDF586 KB · updated 2026-10-01

  Two A4 pages: the board-in-backwards warning, which ESP32-S3 GPIO each of the display plug's 15 contacts is, the pins and power on the push-in blocks, a sketch that blinks a pin, and what to check when it does not work.

  Used by ESP32-S3 Expansion Bases: 2.54 mm, PinPulse, Pluggable Terminal and Screw Terminal

• ESP32-S3 Screw Terminal Base, quick reference (PDF)PDF569 KB · updated 2026-10-01

  Two A4 pages: the board-in-backwards warning, which ESP32-S3 GPIO each of the display plug's 15 contacts is, the pins and power on the screw blocks, a sketch that blinks a pin, and what to check when it does not work.

  Used by ESP32-S3 Expansion Bases: 2.54 mm, PinPulse, Pluggable Terminal and Screw Terminal

• ESP32-S3 PinPulse Shield quick referencePDF767 KB · updated 2026-10-01

  Two A4 pages: the board-in-backwards warning, which ESP32-S3 GPIO each of the display plug's 15 contacts is, why the LEDs cannot disturb I²C or SPI, a sketch that lights every safe pin, and what to check when it does not work.

  Used by ESP32-S3 Expansion Bases: 2.54 mm, PinPulse, Pluggable Terminal and Screw Terminal

• Nano V3.0 USB-C quick referencePDF580 KB · updated 2026-10-04

  Two A4 pages: the power-off rule for seating and removing the Nano, every pin on the top face, the three power paths, the Arduino IDE settings, a blink sketch and what to check when an upload or a light misbehaves.

  Used by Nano V3.0 USB-C and PinPulse Shield: Seating the Nano, the LEDs and the First Sketch

• Nano PinPulse Shield quick referencePDF898 KB · updated 2026-10-04

  Two A4 pages: the power-off rule for seating and removing the Nano, which pins have a lamp, why the lamp is not on your pin, a chase sketch, the pin table and what to check when the board is warm or silent.

  Used by Nano V3.0 USB-C and PinPulse Shield: Seating the Nano, the LEDs and the First Sketch

• ESP32-C3 OLED Expansion Base, quick reference (PDF)PDF577 KB · updated 2026-10-03

  Two A4 pages: the board-in-backwards warning, which hole on each strip is which GPIO, the battery and charge facts, a sketch that blinks an LED, and what to check when it does not work.

  Used by ESP32-C3 OLED Board and Its Three Bases: Expansion, Pluggable Terminal and Screw Terminal

• ESP32-C3 OLED Pluggable Terminal Base, quick reference (PDF)PDF522 KB · updated 2026-10-03

  Two A4 pages: the board-turned-around warning, which GPIO each of the sixteen push-in ways is, the battery and charge facts, a sketch that blinks an LED, and what to check when it does not work.

  Used by ESP32-C3 OLED Board and Its Three Bases: Expansion, Pluggable Terminal and Screw Terminal

• ESP32-C3 OLED Screw Terminal Base, quick reference (PDF)PDF627 KB · updated 2026-10-03

  Two A4 pages: the board-in-backwards warning, both screw blocks terminal by terminal with the GPIO behind each, the left block that carries no power, a sketch that reads a potentiometer, and what to check when it does not work.

  Used by ESP32-C3 OLED Board and Its Three Bases: Expansion, Pluggable Terminal and Screw Terminal

• PDFESP32 Gold Edition, quick reference (PDF)PDF657 KB · updated 2026-09-18

  Two A4 pages to print: the 3.3 V limit, all 38 holes with what each GPIO can do, the six pads wired to nothing, the pins read at reset, the input-only pins and the DAC, the RGB sketch, the IDE settings, the three ways to power it and six things to check when it does not work.

• PDFESP32-S3 Gold Edition, quick reference (PDF)PDF599 KB · updated 2026-09-18

  Two A4 pages to print: the 3.3 V limit, all 44 holes with what each GPIO can do and which ones the board has already used, the two USB-C sockets and the setting that tells them apart, the RGB sketch, the eight IDE settings, the three ways to power it and six things to check when it does not work.

• 4-inch 7-Segment Display quick referencePDF537 KB · updated 2026-10-07

  Two A4 pages to print: the IN edge hole by hole, why the board ships dark and the PWM pad's three uses, why the digit does not run from the logic pin, a dimming sketch for an Uno, the wiring, and six things to check.

• ESP32-C3 OLED quick referencePDF501 KB · updated 2026-10-03

  Two A4 pages: the board-in-a-base-backwards warning, what each of the sixteen holes is and which six are already spoken for, a sketch that writes on the 72 by 40 screen with its Arduino IDE settings, and what to check when it does not work.

  Used by ESP32-C3 OLED Board and Its Three Bases: Expansion, Pluggable Terminal and Screw Terminal

• HotSwap Arcade Kit quick referencePDF780 KB · updated 2026-09-25

  Two A4 pages: where each of the 26 socket positions lands on all four adapters, which USB socket powers what, why a pressed button reads HIGH, the kit's input monitor sketch, the coin timing, and what to check when nothing prints or no coin counts.

  Used by HotSwap Arcade Kit: Buttons, Joystick and Coin Acceptor for ESP32-S3, Nano, Pico and Zero 2 W

A dev board's header on one A4 page: every hole, what its GPIO can do, and the ones the board has already spent.

• PDFESP32-S3 Gold Edition, pinout (PDF)PDF540 KB · updated 2026-09-18

  One A4 page to print: all 44 holes as the silkscreen names them, each GPIO's ADC, touch and strapping role, the three the N16R8's PSRAM takes, the six the board has already used, the 24 that are free with nothing to know, and Arduino's default bus pins.

  Used by ESP32-S3 pinout

• PDFESP32 Gold Edition, pinout (PDF)PDF601 KB · updated 2026-09-18

  One A4 page to print: all 38 holes as the silkscreen names them, each GPIO's ADC, touch, DAC and strapping role, the four input-only pins, the six holes wired to nothing, the 15 GPIOs that are free with nothing to know, and Arduino's default bus pins.

  Used by ESP32 Gold Edition pinout

Every sketch from the tutorials, in Arduino and MicroPython.

• DHT22 example sketchesZIPv1.0.0 · 1016 B · updated 2026-09-05

  Arduino and MicroPython, one file per tutorial step.

  Used by DHT22 Temperature and Humidity Sensor, Put a DHT22 on the internet in 20 minutes

• Lonely Binary Display libraryLINKupdated 2026-09-14

  Arduino and MicroPython, from one panel table. panels.yaml in the repository root is the source of every per-panel figure on this page — and carries its own warning about which of those figures have been measured and which are inferred.

  Used by SPI TFT LCD Display Boards, 0.96 to 3.5 inch

• Lonely Binary Coin Acceptor library and examplesZIPupdated 2026-09-13

  The Arduino library and its six examples, as a zip of the repository. Also in the Library Manager under this name, which is the easier way to install it. Every timing the handbook quotes — the 5 ms debounce, the 250 ms that ends a pulse group, the eight-group queue, the fifty-pulse ceiling — is read out of src/CoinAcceptor.cpp in here.

  Used by Arcade Coin Acceptor Module Kit, USB-C Powered

• 10-segment bar graph sketches and enclosureZIPupdated 2026-09-13

  The Segment-Display repository as a zip. The bar graph's folder holds the Uno demo sketch this handbook builds on, the wiring photographs, and a 3MF of the printed frame in case one goes missing.

  Used by 10-Segment LED Bar Graph Display

• 1602 I2C example sketches and scriptsLINKupdated 2026-09-13

  Lonely Binary's own repository: nine numbered Arduino sketches, the same nine in MicroPython with a driver to copy onto the board, and the wiring notes they were tested against.

  Used by 1602 I²C LCD Display Module, 16×2 Blue

Vendor datasheets and references, linked where the vendor keeps them.

• DHT22 / AM2302 datasheetPDFupdated 2026-09-05

  Aosong's original datasheet, mirrored by SparkFun. The supply range, the −40 to 80 °C range, the ±0.5 °C accuracy, the 2 second minimum period and every timing in the handbook come from here.

  Used by DHT22 Temperature and Humidity Sensor

• Sensirion SHT3x-DIS datasheetPDFupdated 2026-09-16

  Sensirion's own datasheet, version 7, December 2022. Every number in the SHT31 handbook is from here: the ±2 %RH and ±0.2 °C tolerances in Tables 1 and 2, the 2.15–5.5 V supply and the current figures in Table 3, the measurement durations in Table 4, the two addresses in Table 8, the commands in §4 and the CRC-8 in §4.12.

  Used by SHT31 Temperature and Humidity Sensor

• Silan SC7A20H datasheetPDFupdated 2026-09-27

  Silan's own datasheet, version 0.7, in Chinese, from LCSC (C19274408). Every number in the 3-Axis Accelerometer handbook is from here: the 1.71–3.6 V supply and currents on p. 3, the ranges and sensitivities on p. 2, the zero-g offsets on p. 3, the axis drawing on p. 5, the pin table on p. 6, the addresses on p. 9, the register map on p. 12 and the data format on p. 19.

  Used by 3-Axis Accelerometer

• DHT11 datasheetPDFupdated 2026-09-12

  Aosong's own datasheet, in Chinese, mirrored by Adafruit — the only copy on a vendor's CDN rather than a reseller's blog. Every number the tables carry is reproduced in English in the handbook: the 0–50 °C range, the humidity range that narrows as it warms, the 18 ms start pulse and the 6–30 second response time.

  Used by DHT11 Temperature and Humidity Sensor

• TSOP18138 IR receiver datasheetPDFupdated 2026-09-14

  Vishay document 82802, covering the whole TSOP181/183/185 family. Every number the IR handbook quotes about the TK15 comes from here: the 2.0 to 5.5 V supply, the 0.35 mA it draws, the 30 kOhm pull-up inside the chip, the plus or minus 45 degree half angle, and the 26 m transmission distance — which was measured in the dark with a TSAL6200 at 50 mA, twice what the TK16 drives.

  Used by IR Receiver

• IR908-7C infrared LED datasheetPDFupdated 2026-09-14

  Everlight document DIR-0000453. The part on the TK16: a side-looking 940 nm emitter rated for 50 mA continuous, with a 1.25 V forward voltage and a 40 degree total viewing angle — which is the number that makes the sender, not the receiver, the half you have to aim.

  Used by IR Sender

• DRV8833 datasheetPDFupdated 2026-09-10

  Texas Instruments SLVSAR1 — the source every number on these pages was checked against.

• ST7735R controller datasheetPDFupdated 2026-09-14

  Sitronix ST7735R, version 0.2 — the controller behind the 0.96 and 1.8 inch panels. Source of the 132 x 162 x 18 bit frame memory figure, which is why the 0.96 inch needs a 24-column offset: the glass is smaller than the RAM. Hosted by Adafruit; Sitronix publish no public link of their own.

  Used by SPI TFT LCD Display Boards, 0.96 to 3.5 inch

• ST7789V controller datasheetPDFupdated 2026-09-14

  Sitronix ST7789V, version 1.3 (2014/03) — the controller behind the 2.0, 2.4 and 2.8 inch panels, and the 240 x 320 frame memory all three of them share. Hosted by Newhaven Display.

  Used by SPI TFT LCD Display Boards, 0.96 to 3.5 inch

• ST7796S controller datasheetPDFupdated 2026-10-14

  Sitronix ST7796S, version 1.0 (2014/11), 279 pages — the controller family behind the 3.5 inch 320 x 480 panel. Source of the 320 x 480 x 18 bit frame memory and the 2.5 to 3.3 V supply range. Sitronix publish no public link; this copy is hosted by DisplayFuture, and the page footer marks it Sitronix Confidential.

  Used by SPI TFT LCD Display Boards, 0.96 to 3.5 inch

• TYPE-C 16PIN 2MD(073) connector specificationPDFupdated 2026-09-13

  SHENZHEN SHOUHAN's own specification for the socket on the board — the source of the DC 5 V 3 A rating, the -25 to +85 C range and the 10000-cycle durability figure. Hosted by LCSC, who stock it as C2765186.

  Used by USB-C Breakout Board with 5.1 kΩ CC Resistors

• TXB0108 datasheetPDFupdated 2026-09-11

  Texas Instruments SCES643 — including the line that rules it out for I²C and 1-Wire.

  Used by Logic Level Converters: MOSFET 2/4/6-Channel, TXB0108 and TXS0108

• TXS0108E datasheetPDFupdated 2026-09-11

  Texas Instruments SCES642 — the internal pull-ups, and the two speed limits.

  Used by Logic Level Converters: MOSFET 2/4/6-Channel, TXB0108 and TXS0108

• TTP223 datasheet (Tontek)PDFupdated 2026-09-25

  Tontek's TTP223 datasheet, Ver 1.0, the whole family, as Seeed hosts it. The TK43's numbers are from it: the 2.0 to 5.5 V supply, the 60 ms and 220 ms response limits, the 0 to 50 pF sensitivity range, the TOG/AHLB table (both on GND: momentary, active high), and the package table showing the six-pin part fixed in low-power mode with no maximum on-time.

  Used by TTP223 Touch Sensor

• AMS1117 datasheet (UMW)PDFupdated 2026-09-11

  UMW, March 2025 — the maker of the chip on both boards. Dropout, the 12 V recommended input and the 120 °C/W all come from here.

  Used by Breadboard Power Adapters: Standard 5 V / 3.3 V, Step-Down and Booster, AMS1117 LDO Regulator Modules: 3.3 V and Adjustable

• ESP32 Series datasheet (Espressif)PDFupdated 2026-09-12

  Espressif, v5.3 — covers the ESP32-D0WDQ6 on the LiPo board. The strapping pins, the 2.3–3.6 V supply range and the ADC's calibrated range come from here.

  Used by ESP32 LiPo Dev Kit: 3 Boards with a LiPo Charger, and 3 Shields

• PCF8574 datasheet (TI)PDFupdated 2026-09-12

  Texas Instruments SCPS068K — the same part and SO-16 pinout as the NXP PCF8574T on the adapter. The 2.5–6 V supply, the 100 kHz clock limit and the weak-high port pins come from here.

  Used by 1602 I²C LCD Display Module, 16×2 Blue, Matrix Keypad with I2C Adapter (4x4, PCF8574)

• TM1637 datasheet (Titan Micro)PDFupdated 2026-09-12

  Titan Micro V2.4, English. The copy the TM1637 library ships in its docs folder, because Titan Micro's own site publishes no direct link. The eight brightness steps, the 4.5–5.5 V supply range, the note that blue displays want 5 V, and the line saying the protocol has no slave address all come from here.

  Used by TM1637 4-Digit Display (0.56 inch)

• MAX7219 / MAX7221 datasheet (Maxim)PDFupdated 2026-09-13

  Maxim document 19-4452 Rev 4, July 2003, mirrored by Adafruit. The 4.0–5.5 V supply range, the 3.5 V logic-high minimum, the 330 mA typical with every segment lit, the 800 Hz scan rate, the 10 MHz clock ceiling, the sixteen-bit message format and the register map all come from here.

  Used by 32x8 LED Matrix with MAX7219, 3-Pack, MAX7219 Vintage Tube LED Clock Kit, 8x8 LED Matrix

• MAX7219M datasheet (HGSEMI)PDFupdated 2026-09-25

  HGSEMI's MAX7219/MAX7221 datasheet, 2018 AUG, for the MAX7219M the TK52 carries (LCSC C492110). Maxim's text and tables page for page: the 4.0–5.5 V supply, the 3.5 V logic-high minimum, Table 7's duty cycles, Table 9's scan-limit currents and Table 11's RSET values.

  Used by 8x8 LED Matrix

• 1088AS 8x8 LED matrix datasheet (Toplite)PDFupdated 2026-09-25

  Shanghai Toplite's TOP-CC-1088AS-N4, 2017. The TK52's BOM names its matrix only as a 1088AS; this is the standard part's drawing: 32 mm square, 3 mm dots on a 4 mm pitch, rows the cathodes and columns the anodes, and which of the sixteen pins is which row and column.

  Used by 8x8 LED Matrix

• SN74HC595 datasheet (Texas Instruments)PDFupdated 2026-09-13

  Texas Instruments SCLS041J, revised October 2021. The 2–6 V supply range, the 7 V absolute maximum, the ±6 mA an output can drive, the separate shift and storage clocks and the QH′ serial output that makes a chain possible all come from here.

  Used by 0.56-inch 7-Segment Digits with a 74HC595 Driver Board, 4″ 7-Segment LED Display with 74HC595

• ULN2803A datasheet (Texas Instruments)PDFupdated 2026-10-07

  Texas Instruments SLRS049C, revised August 2004. The eight sinking Darlington outputs, the 2.7 kΩ resistor in series with each input, the 500 mA per-channel rating, the 1.0 V typical saturation drop at 200 mA and the 2.4 V input that turns a channel on all come from here. The display module's driver is this part.

  Used by 4″ 7-Segment LED Display with 74HC595

• AO3407A datasheet (Alpha & Omega)PDFupdated 2026-10-07

  Alpha & Omega Semiconductor, rev. 3. The P-channel MOSFET that switches the 12 V to the display's common anode: the −1.4 to −2.4 V gate threshold, the 78 mΩ maximum on-resistance at 4.5 V of gate drive, the ±20 V gate rating and the 520 pF input capacitance come from here.

  Used by 4″ 7-Segment LED Display with 74HC595

• Coin acceptor quick-start guide (one page)PDFupdated 2026-09-13

  The sheet that ships in the box, kept in the library's own repository so it can be reprinted. The 5 V 2 A supply requirement, the 12 V / 350 mA acceptor draw, the harness colours, the NO and Medium switch settings, the setup and training key presses and the three signal widths all come from here.

  Used by Arcade Coin Acceptor Module Kit, USB-C Powered

• HD44780U datasheet (Hitachi)PDFupdated 2026-09-13

  Hitachi's own datasheet for the controller under the epoxy on every 1602, mirrored by Adafruit because Hitachi publishes no copy. The two-line DDRAM map (row 0 at 0x00, row 1 at 0x40, forty characters each), the 5 x 8 CGRAM cell, the 37 us instruction time and the 1.52 ms clear come from here.

  Used by 1602 I²C LCD Display Module, 16×2 Blue

• ADS1113 / ADS1114 / ADS1115 datasheetPDFupdated 2026-09-13

  Texas Instruments SBAS444E, December 2024. Every number in the handbook comes from here: the six full-scale ranges and their LSB sizes in Table 7-1, the noise figures per data rate in Table 6-1, the four address options in Table 7-2, the config register defaults in Table 8-3, and the sentence in section 9.1.3 that says an input more than about 300 mV beyond the rails can damage the part.

  Used by ADS1115 16-Bit ADC I2C Module

• CH224 datasheet (CH224K)HTMLupdated 2026-09-14

  WCH CH224DS1, version 2.0, January 2025 — the source for every electrical number in the PD trigger handbook. The CH224K pin definitions are Table 4-2; the five-row I/O level table the board's switches implement, and the 1 kΩ / 10 kΩ / 1 µF reference circuit it is built from, are in section 6.2; the 3.3 V shunt regulator, its 30 mA sink and the 105 °C over-temperature threshold are in section 8.2.3, and the 13.5 V absolute maximum on the VBUS sense pin is in 8.1.3. WCH's download page; the PDF is behind the button on it.

  Used by USB-C PD Trigger, 100 W Decoy 5–20 V

• CC6201 Hall switch datasheetPDFupdated 2026-09-19

  CrossChip document DS-6201-SC rev 1.4, in Chinese. The chip on the TK18: an omnipolar micropower Hall switch, 2 to 5 V, that pulls its output low when either pole comes past 40 gauss and lets go below 32, and looks at the field once every 22 ms.

  Used by Hall Effect Sensor

• XYC-PT21C-L1 phototransistor datasheetPDFupdated 2026-09-19

  NEWOPTO's specification for the sensor on the TK20, in Chinese and English: a 1206 NPN phototransistor most sensitive at 850 nm, with its photocurrent at 10, 30 and 100 lux, dark current and switching times.

  Used by Ambient Light Sensor

• XINGLIGHT XL-5730WWC-05 warm white LED datasheetPDFupdated 2026-09-26

  XINGLIGHT's 5730 0.5 W warm white (LCSC C2843886), 2800 to 3400 K: 150 mA and 500 mW continuous, 2.8 to 3.4 V at 150 mA, 120 degrees, and the typical current-voltage curve the TK95 handbook's numbers are worked out from. The TK95's exported BOM names a green part for both LEDs; this is the family its 3000K LED matches.

  Used by Dual Bright LEDs

• XINGLIGHT XL-5730UWC-05 cool white LED datasheetPDFupdated 2026-09-26

  XINGLIGHT's 5730 0.5 W cool white (LCSC C2843887), 6000 to 7500 K, with the same ratings as the warm white: 150 mA, 500 mW, 2.8 to 3.4 V at 150 mA. The family the TK95's 6500K LED matches.

  Used by Dual Bright LEDs

• Everlight IR333-A infrared LED datasheetPDFupdated 2026-09-25

  Everlight document DIR-0000930: the 5 mm, 940 nm infrared LED family the TK63's IR333C-A belongs to. 100 mA continuous, 1.2 V typical at 20 mA, 20 degree view angle, and the brightness bins the order code's R names. Everlight publishes no sheet under the exact IR333C-A name.

  Used by Infrared Transmitter

• Everlight PT334-6B phototransistor datasheetPDFupdated 2026-09-25

  Everlight document DPT-0000263 Rev 4, 2016-12-20: an NPN phototransistor in a black 5 mm package, peak sensitivity 940 nm, half sensitivity 760 to 1100 nm, 0.7 mA minimum and 2 mA typical at 1 mW/cm², 100 nA dark current, 15 µs rise and fall, pin 1 emitter. The TK64's part is ordered as PT334-6B(BY)(L) (LCSC C17179480); the sheet does not explain the suffix.

  Used by Infrared Receiver

• WS-1001-ACW09026 five-way switch drawing (XUNPU)PDFupdated 2026-09-26

  XUNPU's one-page drawing of the WS-1001-ACW09026, LCSC C42377833, revision A; it prints no document number. The switch under the TK94's cap: pin 1 common, the five pushes on pins 2 to 6, 250 ± 50 gf, 0.2 mm travel, 50,000 cycles, 50 mA at 12 V DC.

  Used by Five-Direction Joystick

• XL-2020RGBC-WS2812B LED data sheet (XINGLIGHT)PDFupdated 2026-09-26

  XINGLIGHT's technical data sheet for the XL-2020RGBC-WS2812B, LCSC C5349955; it prints no document number. The LED under the TK96's key: 3.5 to 5.5 V, 5 mA per colour, a HIGH from half the supply, green sent first.

  Used by Mechanical Key and LED

• ME6211 LDO regulator data sheet (Microne)PDFupdated 2026-09-26

  Microne's ME6211 series sheet, V14, LCSC C82942. The TK97's regulator is the ME6211C33M5G-N: 3.3 V ±2 %, 500 mA at the front of the sheet, 300 mW for its SOT-23-5 package, 150 mA into a short.

  Used by Logic Level Converter

• BSS138 MOSFET data sheet (KUU)PDFupdated 2026-09-26

  KUU's BSS138 sheet, LCSC C3015220; it prints no document number. The TK97's six channel transistors: threshold 0.8 to 1.6 V, 50 V, 220 mA, input capacitance up to 50 pF.

  Used by Logic Level Converter

• SLSS49E linear Hall sensor datasheetPDFupdated 2026-09-25

  Slkor's sheet for the SLSS49E, the chip on the TK70 (LCSC C2904393, the SOT-23 part SLSS49E-3). At 5 V: 2.5 V at no field, 3.25 mV per gauss, 1 V to 4 V across ±460 gauss, 3 to 12 V supply, 5 mA typical. Its first page calls it a switch; it is linear. Its drawings of which pole raises the output differ between the two packages.

  Used by Linear Hall Effect Sensor

• ST7735S controller datasheetLINKupdated 2026-09-26

  Sitronix ST7735S, version 1.1, 2011-11-21: the controller on the TK89. Logic supply 1.65 to 3.7 V, inputs to 0.3 V over it, HIGH from 0.7 of it; 66 ns write clock cycle on the serial interface; D/CX low for a command; CASET, RASET and RAMWR. Hosted by Crystalfontz.

  Used by 1.8-inch TFT Display

• MAX485 datasheet (Analog Devices, formerly Maxim)PDFupdated 2026-09-24

  Maxim 19-0122, Rev 10: MAX481/MAX483/MAX485/MAX487–MAX491/MAX1487. The 5 V board's chip, a UMW MAX485ESA, is a second source of the MAX485 in it.

  Used by RS485 Transceiver Boards: MAX485 for 5 V and MAX3485 for 3.3 V

• MAX3485 datasheet (Analog Devices, formerly Maxim)PDFupdated 2026-09-24

  Maxim 19-0333, Rev 2: MAX3483/MAX3485/MAX3486/MAX3488/MAX3490/MAX3491. The 3.3 V board's chip, a UMW MAX3485ESA, is a second source of the MAX3485 in it.

  Used by RS485 Transceiver Boards: MAX485 for 5 V and MAX3485 for 3.3 V

• PCA9685 datasheet (NXP)PDFupdated 2026-09-27

  NXP PCA9685, Rev. 4, 16 April 2015: the register map, the prescale formula, the 25 MHz oscillator, and the LED All Call address that makes 0x70 a bad choice.

  Used by PCA9685 16-Channel Servo Driver: Sixteen Servos on Two I²C Wires

• ME6212 LDO regulator data sheet (Microne)PDFupdated 2026-09-27

  Microne's ME6212 series sheet, V06, LCSC C487907, in Chinese. The board's 5 V regulator is the ME6212C50M5G: 2.0 to 6.0 V in, 6.5 V absolute, 350 mA with a volt of headroom. Its 6.0 V ceiling is why V+ stops at 6 V.

  Used by PCA9685 16-Channel Servo Driver: Sixteen Servos on Two I²C Wires

• ME6217 LDO regulator data sheet (Microne)PDFupdated 2026-09-27

  Microne's ME6217 series sheet, LCSC C427602. The board's 3.3 V regulator is the ME6217C33M5G: 2.0 to 6.5 V in, 7.0 V absolute, 800 mA with a volt of headroom.

  Used by PCA9685 16-Channel Servo Driver: Sixteen Servos on Two I²C Wires

• AO3401A P-channel MOSFET datasheet (AOS)PDFupdated 2026-09-27

  Alpha and Omega's AO3401A, the transistor between both power inlets and V+. Wired with its gate to ground, it conducts only when the supply is the right way round.

  Used by PCA9685 16-Channel Servo Driver: Sixteen Servos on Two I²C Wires

• NS4168 amplifier datasheet (Nsiway)PDFupdated 2026-09-24

  Nsiway NS4168, V1.2, April 2023, in Chinese: the I2S mono Class-D amplifier on the TK100. Section 10.2.4 has the CTRL voltages that choose left, right or off.

  Used by I2S Amplifier

• LMD2718T261-OA1 microphone specification (LinkMems)PDFupdated 2026-09-24

  LinkMems specification M072, version 1.4: the PDM MEMS microphone on the TK101. Supply, clock ranges, sensitivity and the pin table.

  Used by PDM Microphone

• PCM5102A DAC datasheet (TI)PDFupdated 2026-09-24

  TI SLAS859C: the PCM510xA stereo DACs. Table 11 lists the bit clocks the PLL accepts at each sample rate when there is no system clock, as on the TK103.

  Used by I2S DAC

• HY40A16T12-1 ultrasonic transmitter datasheet (Huayu)PDFupdated 2026-09-25

  Huayu Electronic's specification for the 16 mm open-type transmitter, mirrored by LCSC (C17701106): 40 ± 0.5 kHz, 70 ± 5 degrees wide at -6 dB, 116 dB sound pressure, 1.5 ms ringing at most, and -25 to 60 °C operating, which is the temperature limit this handbook quotes for the whole sensor.

  Used by Ultrasonic Distance Sensor

• HY40A16R12-1 ultrasonic receiver datasheet (Huayu)PDFupdated 2026-09-25

  Huayu Electronic's specification for the matching 16 mm open-type receiver, mirrored by LCSC (C17701107): the same 40 ± 0.5 kHz, 70 degrees at -6 dB and -25 to 60 °C as the transmitter, with -62 dB sensitivity.

  Used by Ultrasonic Distance Sensor

• UMW LM75B datasheetPDFupdated 2026-09-25

  UTD Semiconductor (UMW), July 2025, from LCSC's page for C725792, the part fitted on the TK42. It describes a 12-bit part: 0.0625 °C steps, ±1 °C maximum, 1.4 to 5.5 V, a 26 ms conversion every 80 ms. The pin table, the register map and the address table match NXP's.

  Used by LM75 Temperature Sensor

• NXP LM75B datasheetPDFupdated 2026-09-25

  NXP LM75B, Rev. 6.1, 6 February 2015: the part UMW's is a second source for. The handbook promises its numbers, the looser of the two: 11 bits, ±2 °C from −25 to 100 °C, 2.8 to 5.5 V, a new reading every 100 ms, I2C to 400 kHz.

  Used by LM75 Temperature Sensor

• 74HC595 datasheet (Nexperia)PDFupdated 2026-09-25

  Nexperia 74HC595; 74HCT595, Rev. 12, 20 March 2024: the maker of the chip on the TK53. 2 to 6 V, 35 mA per output and 70 mA through VCC or GND at most, and a HIGH input from 0.7 of VCC. Its pin names are Q0 to Q7, DS, SHCP, STCP, MR, OE and Q7S.

  Used by 74HC595 Segment LED

• SM420806N 0.8-inch digit specification (ARKLED)PDFupdated 2026-09-25

  ARKLED's specification for the digit on the TK53, from LCSC's page for C252203: 0.8 inch, red, common cathode on pins 3 and 8, 1.9 to 2.5 V at 20 mA, 20 mA continuous per segment, and the pin-to-segment drawing.

  Used by 74HC595 Segment LED

• MLT-8530 magnetic buzzer specification (Huaneng)PDFupdated 2026-09-25

  Jiangsu Huaneng's Specification for Electro-Magnetic Buzzer (SMD Type), model MLT-8530, dated 2017-05-22 (LCSC C94599): 3.6 V rated, 2.5 to 4.5 V, a 16 Ω coil, 95 mA and 80 dB at 10 cm from 5 V, resonant at 2700 Hz, with its frequency-response curve and recommended driving circuit.

  Used by Passive Buzzer

• SN65HVD230 CAN transceiver datasheet (TI)PDFupdated 2026-09-24

  TI SLOS346O: the SN65HVD23x 3.3 V CAN transceivers. The TK109 carries Tokmas's SN65HVD230DR, a second source; its Rs pin goes to GND through 10 kΩ, which the datasheet calls slope-control mode.

  Used by CAN Bus

• XL-5050RGBC-WS2812B LED data sheet (XINGLIGHT)PDFupdated 2026-09-25

  XINGLIGHT's technical data sheet for the XL-5050RGBC-WS2812B, LCSC C2843785; it prints no document number. The five LEDs on the TK33: 3.5 to 5.5 V, 12 mA per colour, a HIGH at 0.7 of the supply, green sent first.

  Used by WS2812 RGB LED Bar

• XC6206 datasheet (Torex)PDFupdated 2026-09-24

  Torex ETR03005-009 — the maker's own datasheet for the XC6206P332MR, the SOT-23 regulator that makes the 3.3 V rail.

  Used by Breadboard Power Adapters: Standard 5 V / 3.3 V, Step-Down and Booster

• MT3608 datasheet (Aerosemi)PDFupdated 2026-09-24

  Aerosemi's own datasheet for the step-up converter on the board, mirrored by Olimex: the 2–24 V input, the 1.2 MHz switching frequency, the 4 A switch current limit and the feedback divider that sets the output.

  Used by Breadboard Power Adapters: Standard 5 V / 3.3 V, Step-Down and Booster

• S8050 NPN transistor datasheetPDFupdated 2026-09-19

  JSCJ's S8050 in SOT-23: the one-transistor amplifier on the TK27. Its current gain, and so the board's resting output level, is graded by part.

  Used by Active Buzzer, Analog Microphone, Dual Bright LEDs, Infrared Transmitter, Passive Buzzer

• TMB12A05 active buzzer specificationPDFupdated 2026-09-25

  Jiangsu Huawha's product specification for the TMB12A05 on the TK36, dated 2023-11-07 (LCSC C96093): an electromagnetic active buzzer rated 5 V for 3 to 7 V, at least 95 dB at 10 cm, 30 mA max, 2400 ± 300 Hz, with typical dB and mA curves against voltage and a ten-part test report.

  Used by Active Buzzer

• MKA-14103 reed switch data sheetPDFupdated 2026-09-25

  Ryazan Metal Ceramics Instrumentation Plant's data sheet for the MKA-14103 type, updated 2019-05-30: a normally open reed switch in Ø2.3 × 14.2 mm glass, 10 W, pull-in 8 to 35 AT, resetting ratio 0.35 to 0.9, 1 ms operating time including bounce, 100 Hz. The TK41's part (LCSC C5154174) is a 14103 sorted to 15 to 18 AT; its own sheet was not available. The server is slow.

  Used by Reed Switch

• SS14 Schottky diode datasheet (MDD)PDFupdated 2026-09-25

  MDD's sheet for the SS12 to SS1200 family, Rev 2025A5, the diode on the TK59 (LCSC C2480): 40 V, 1 A, at most 0.55 V forward at 1 A, at most 0.3 mA leakage at 40 V and 25 °C, 110 pF typical, band on the cathode. Hosted by LCSC.

  Used by Piezo-Ceramic Sensor

• GK105A slotted optical switch datasheetPDFupdated 2026-09-25

  SIVAGO Semiconductor's sheet for the GK105A (© 2019): an infrared LED and an NPN phototransistor across a 5.00 mm slot, 8.00 mm deep. VF 1.2 V typical at 20 mA; at least 0.8 mA of collector current at 20 mA; typical rise and fall of about 100 and 130 µs on a 10 kΩ load. The TK61 orders its GK105A from Everlight (LCSC C475424), for which no sheet was available; this is the same part number and package.

  Used by Infrared Speed Sensor

• SW-520D tilt switch specification (Shouhan)PDFupdated 2026-09-25

  Shenzhen Shouhan Technology's specification for the SW-520D, the part on the TK62 (LCSC C5379904), in Chinese: two balls, a can 12 mm long and 5 mm across, 12 V, 10 mA, 5 MΩ open, -20 to 80 °C. The lead end is the ON end; laid horizontal is the position a shake triggers most easily. It gives no angle.

  Used by Tilt Sensor

• SW-520D roll ball switch data sheet (Bailin)PDFupdated 2026-09-25

  Bailin Electronics' sheet for the same part, from another maker, hosted by TME: 12 V, under 10 Ω closed, over 10 MΩ open, and the one angle either sheet gives, about 10 degrees past level either way. Life up to 100,000 cycles.

  Used by Tilt Sensor

• TCRT5000 reflective optical sensor datasheetPDFupdated 2026-09-25

  Vishay document 83760, rev. 1.7: an infrared emitter and a phototransistor with a daylight-blocking filter in one leaded package. Peak at 2.5 mm, above 20 % of it from 0.2 to 15 mm (Fig. 9); emitter 60 mA and 100 mW maximum, VF 1.25 V typical at 60 mA; 1 mA typical collector current at 10 mA against a mirror.

  Used by Reflective Optical Sensor

• LM393 dual comparator datasheetPDFupdated 2026-09-19

  onsemi's LM393: the comparator on the TK29, one half used. Open-collector output, and an input range that stops about 1.5 V below the supply.

  Used by Analog to Digital Signal, Infrared Speed Sensor

• LCM1027A2445F coin vibration motorPDFupdated 2026-09-19

  LEADER's specification leader-2445: the 10 × 2.7 mm coin motor on the TK30. Rated 3.0 V (2.7 to 3.3 V), 80 mA running and 120 mA starting at most, and a 2.3 V start voltage.

  Used by Vibration Motor

• XC6206P332MR 3.3 V regulator datasheetPDFupdated 2026-09-19

  The 3.3 V low-dropout regulator on the TK30 that the motor runs from, fed by the block's VCC pin.

  Used by Vibration Motor

• AO3400A N-channel MOSFET datasheetPDFupdated 2026-09-19

  The logic-level MOSFET on the TK30 that switches the motor: SIGNAL drives its gate, with a 10 kΩ pull-down holding it off.

  Used by Vibration Motor

• AT24C128 serial EEPROM datasheetPDFupdated 2026-09-24

  HXY's AT24C128, the chip on the TK31 (its text calls it HT24LC128): 16,384 bytes, 2.2 to 5.5 V, 64-byte pages, a 5 ms maximum write, a million writes a byte and 40-year retention.

  Used by EEPROM Memory

• UK-E0516 lever microswitch drawingPDFupdated 2026-09-19

  Usakro's drawing for the TK17's switch: a 12.7 × 5.7 mm microswitch with a lever, COM, NO and NC contacts on a 5.05 mm pitch, 70 gf to operate, rated 0.1 A and a million operations.

  Used by Collision Sensor

• JILN JL102-35002G01 3.5 mm screw terminal drawingPDFupdated 2026-09-18

  JILN's drawing for the TK09's two-way terminal: 3.5 mm pitch, 26–16 AWG wire stripped 4–5 mm, screws to 0.2 N·m. Its 300 V 10 A rating is the terminal's alone; the block's limit is set by its divider and your board's input, 25 V on a 5 V board.

  Used by Voltmeter

• USAKRO UK-B0262 12 × 12 mm tactile switch drawingPDFupdated 2026-09-18

  USAKRO's drawing for the TK04's switch: 12 × 12 mm, 7.3 mm tall, pins 1–2 and 3–4 joined inside, rated 12 V DC at 50 mA, 0.3 mm travel, 100 000 cycles at 160 gf or 70 000 at 250 gf.

  Used by Push Button

• Amicc A-SC667R6AGHB1W-A01-1T RGB LED datasheetPDFupdated 2026-09-18

  Amicc ADE-667-006, v6, May 2022: the 5 × 5 mm six-pin RGB LED on the TK02. The pin map (anodes 1, 3, 5 for blue, green, red; cathodes 2, 4, 6), the forward voltages (red 1.95–2.35 V, green and blue 2.75–3.35 V at 20 mA) and the luminous flux of each colour come from here.

  Used by RGB LED

• NATIONSTAR NCD0805R1 red LED datasheetPDFupdated 2026-09-18

  The TK03's red light: 0805, 615–630 nm, forward voltage 1.5–2.6 V (2.0 typical), 25 mA maximum.

  Used by Traffic Light

• KENTO KT-0805Y yellow LED datasheetPDFupdated 2026-09-18

  The TK03's yellow light: 0805, 584–594 nm, forward voltage 1.8–2.4 V at 10 mA, 25 mA maximum.

  Used by Traffic Light

• KENTO KT-0805G green LED datasheetPDFupdated 2026-09-18

  The TK03's green light: an InGaN 0805, 513–528 nm, forward voltage 2.6–3.1 V at 5 mA and 175–430 mcd at that current, 30 mA maximum.

  Used by Traffic Light

• TF PUSH microSD socket specificationPDFupdated 2026-09-16

  Shenzhen ShouHan's own specification for the push-push microSD socket on the small board, hosted by LCSC as part number C393941. Source of the numbers the handbook quotes about the socket rather than the card: 5000 mating cycles, 40 milliohms of contact resistance when new and 100 after that test, and 0.3 A per contact.

  Used by SD and microSD Card Readers for ESP32: SPI, 1-bit and 4-bit

• SD-106M full-size SD socket drawingPDFupdated 2026-09-16

  XunPu's drawing for the full-size socket on the larger board, hosted by LCSC as part number C266603. It is a dimensioned mechanical drawing rather than a specification, so it gives the footprint and the contact numbering and no electrical ratings.

  Used by SD and microSD Card Readers for ESP32: SPI, 1-bit and 4-bit

• INA219 datasheetPDFupdated 2026-09-16

  Texas Instruments SBOS448G, revised December 2015. Every INA219 number in the handbook is from here: the four PGA ranges and the 10 µV shunt step in the electrical table, the 26 V absolute maximum on IN+ and IN−, the offset and gain-error rows for the A grade fitted on this board, the 16 addresses in Table 1, and the calibration-register arithmetic in section 8.5.

  Used by INA219 and INA3221 Current Monitors: shunt, range and wiring, INA219 Current Monitor

• INA3221 datasheetPDFupdated 2026-09-16

  Texas Instruments SBOS576C, revised September 2025. The ±163.84 mV shunt span, the 40 µV and 8 mV register steps, the eight conversion times, the four addresses in Table 7-1, the critical and warning alert behaviour in section 7.3.2, and the 10 V / 9 V power-valid defaults all come from here. Across the board's 50 mΩ shunts that ±163.84 mV is the 3.28 A printed on its back.

  Used by INA219 and INA3221 Current Monitors: shunt, range and wiring

• ATmega328P datasheetPDFupdated 2026-10-04

  Microchip 7810D, January 2015. Section 28.2 gives the input thresholds (HIGH from 0.6 × VCC, LOW up to 0.3 × VCC), the 20 to 50 kΩ internal pull-up and the 40 mA limit on a single pin that the Nano handbook quotes.

  Used by Nano V3.0 USB-C and PinPulse Shield: Seating the Nano, the LEDs and the First Sketch

• SN74HC04 hex inverter datasheetPDFupdated 2026-09-17

  Texas Instruments SCLS078H, revised April 2021. The ±1 µA input leakage and 10 pF input capacitance the PinPulse handbook quotes, the input thresholds at 2, 4.5 and 6 V, and the 500 ns limit on how slowly an input may change are all from section 6.

  Used by Nano V3.0 USB-C and PinPulse Shield: Seating the Nano, the LEDs and the First Sketch, ESP32-S3 Expansion Bases: 2.54 mm, PinPulse, Pluggable Terminal and Screw Terminal, ESP32-S3 PinPulse Shield pinout

• ESP32-S3 series datasheetPDFupdated 2026-09-17

  Espressif, version 2.2. Table 2-1 gives each pin's pull-up or pull-down at reset, which is what decides which PinPulse LEDs are lit before a sketch runs; Table 3-1 gives the four strapping pins' defaults.

  Used by ESP32-S3 Expansion Bases: 2.54 mm, PinPulse, Pluggable Terminal and Screw Terminal

• ESP32-C3 series datasheetPDFupdated 2026-10-03

  Espressif, version 2.4. The ESP32-C3FH4 variant with 4 MB of flash in the package, the three strapping pins (GPIO 2, 8 and 9) and their defaults, and which pins have an ADC behind them.

  Used by ESP32-C3 OLED Board and Its Three Bases: Expansion, Pluggable Terminal and Screw Terminal

The boards themselves, and the enclosures and mounts around them.

• DRV8833, bare board, 3D model (GLB)GLBv2.0.1 · 2.2 MB · updated 2026-09-22

  The manufacturing geometry, packed for the web. Opens in any glTF viewer, and in Blender, Windows 3D Viewer and macOS Quick Look without one.

• DRV8833, bare board, CAD model (STEP)STEPv2.0.1 · 2.4 MB · updated 2026-09-22

  The same board as a STEP solid for fitting a panel or an enclosure around it. Zipped because a STEP file is plain text and compresses to a fraction of itself; every CAD package opens it.

• DRV8833, terminals and header fitted, 3D model (GLB)GLBv2.0.1 · 2.7 MB · updated 2026-09-22

  The manufacturing geometry, packed for the web. Opens in any glTF viewer, and in Blender, Windows 3D Viewer and macOS Quick Look without one.

• DRV8833, terminals and header fitted, CAD model (STEP)STEPv2.0.1 · 2.9 MB · updated 2026-09-22

  The same board as a STEP solid for fitting a panel or an enclosure around it. Zipped because a STEP file is plain text and compresses to a fraction of itself; every CAD package opens it.

• 0.96 inch LCD board, 3D model (GLB)GLBv1.0 · 2.0 MB · updated 2026-10-14

  The whole board packed for the web: soldermask, silkscreen, gold pads, every part, and the panel with its orange ribbon through the slot. Textures are cut to 2048 px so a phone can open it. The STEP and the GLB hold the 8-pin 2.54 mm header soldered on, as the BOM lists it.

• 0.96 inch LCD board, CAD model (STEP)STEPv1.0 · 3.3 MB · updated 2026-10-14

  The same board as a STEP assembly for fitting an enclosure around it, panel and ribbon included. Zipped because STEP is plain text. The STEP and the GLB hold the 8-pin 2.54 mm header soldered on, as the BOM lists it.

• 1.8 inch LCD board, 3D model (GLB)GLBv1.0 · 2.9 MB · updated 2026-10-14

  The whole board packed for the web: soldermask, silkscreen, gold pads, every part, and the panel with its orange ribbon through the slot. Textures are cut to 2048 px so a phone can open it. The model leaves the 8-pin header out, so the board is shown bare: the holes are there, the pins are not.

• 1.8 inch LCD board, CAD model (STEP)STEPv1.0 · 5.8 MB · updated 2026-10-14

  The same board as a STEP assembly for fitting an enclosure around it, panel and ribbon included. Zipped because STEP is plain text. The model leaves the 8-pin header out, so the board is shown bare: the holes are there, the pins are not.

• 2.0 inch LCD board, 3D model (GLB)GLBv1.0 · 2.9 MB · updated 2026-10-14

  The whole board packed for the web: soldermask, silkscreen, gold pads, every part, and the panel with its orange ribbon through the slot. Textures are cut to 2048 px so a phone can open it. The 8-hole header row is bare.

• 2.0 inch LCD board, CAD model (STEP)STEPv1.0 · 6.1 MB · updated 2026-10-14

  The same board as a STEP assembly for fitting an enclosure around it, panel and ribbon included. Zipped because STEP is plain text. The 8-hole header row is bare.

• 2.4 inch LCD board, 3D model (GLB)GLBv1.0 · 2.5 MB · updated 2026-10-14

  The whole board packed for the web: soldermask, silkscreen, gold pads, every part, and the panel with its orange ribbon through the slot. Textures are cut to 2048 px so a phone can open it. The 8-hole header row is bare.

• 2.4 inch LCD board, CAD model (STEP)STEPv1.0 · 5.6 MB · updated 2026-10-14

  The same board as a STEP assembly for fitting an enclosure around it, panel and ribbon included. Zipped because STEP is plain text. The 8-hole header row is bare.

• 2.8 inch LCD board, 3D model (GLB)GLBv1.1 · 2.2 MB · updated 2026-10-14

  The whole board packed for the web: soldermask, silkscreen, gold pads, every part, and the panel with its orange ribbon through the slot. Textures are cut to 2048 px so a phone can open it. The 8-hole header row is bare. Version 1.1 is the revision printed on this board’s front silkscreen.

• 2.8 inch LCD board, CAD model (STEP)STEPv1.1 · 5.7 MB · updated 2026-10-14

  The same board as a STEP assembly for fitting an enclosure around it, panel and ribbon included. Zipped because STEP is plain text. The 8-hole header row is bare. Version 1.1 is the revision printed on this board’s front silkscreen.

• 3.5 inch LCD board, 3D model (GLB)GLBv1.0 · 2.2 MB · updated 2026-10-14

  The whole board packed for the web: soldermask, silkscreen, gold pads, every part, and the panel with its orange ribbon through the slot. Textures are cut to 2048 px so a phone can open it. The 8-hole header row is bare.

• 3.5 inch LCD board, CAD model (STEP)STEPv1.0 · 5.6 MB · updated 2026-10-14

  The same board as a STEP assembly for fitting an enclosure around it, panel and ribbon included. Zipped because STEP is plain text. The 8-hole header row is bare.

• USB-C breakout, 3D model (GLB)GLBv1.0 · 929 KB · updated 2026-09-24

  The manufacturing geometry, packed for the web. Opens in any glTF viewer, and in Blender, Windows 3D Viewer and macOS Quick Look without one.

  Used by USB-C Breakout Board with 5.1 kΩ CC Resistors

• USB-C breakout, CAD model (STEP)STEPv1.0 · 1.3 MB · updated 2026-09-24

  The same board as a STEP solid for fitting a panel or an enclosure around it. Zipped because a STEP file is plain text and compresses to a fraction of itself; every CAD package opens it.

  Used by USB-C Breakout Board with 5.1 kΩ CC Resistors

• TK51 TM1637 4-Digit Display, 3D model (GLB)GLBv1.0 · 2.2 MB · updated 2026-09-25

  The V3 block as it ships, with the right-angle header soldered and the right-hand pads bare. The display is EasyEDA's stock model, with decimal points where the TK51 has a colon. Opens in any glTF viewer, and in Blender, Windows 3D Viewer and macOS Quick Look without one.

  Used by TM1637 4-Digit Display (0.56 inch)

• TK51 TM1637 4-Digit Display, CAD model (STEP)STEPv1.0 · 1.7 MB · updated 2026-09-25

  The same block as a STEP solid, for fitting a case or a panel around it. Zipped because a STEP file is plain text and compresses to a fraction of itself.

  Used by TM1637 4-Digit Display (0.56 inch)

• TK52 8x8 LED Matrix, 3D model (GLB)GLBv1.0 · 1.4 MB · updated 2026-09-25

  The block as it ships, the matrix fitted and the right-angle header soldered, gold-plated edges on a black board. Opens in any glTF viewer, and in Blender, Windows 3D Viewer and macOS Quick Look without one.

  Used by 8x8 LED Matrix

• TK52 8x8 LED Matrix, CAD model (STEP)STEPv1.0 · 1.7 MB · updated 2026-09-25

  The same block as a STEP solid, for fitting a case or a panel around it. Zipped because a STEP file is plain text and compresses to a fraction of itself.

  Used by 8x8 LED Matrix

• ESP32 Expansion Base, 3D model (GLB)GLB3.5 MB · updated 2026-09-15

  The manufacturing geometry of the 2.54 mm expansion base, packed for the web with the immersion-gold finish baked in. Opens in any glTF viewer, and in a browser.

  Used by ESP32 Expansion Bases: 2.54 mm, PinPulse, Pluggable Terminal and Screw Terminal

• ESP32 Expansion Base, CAD model (STEP)STEP3.7 MB · updated 2026-09-15

  The same board as an AP214 STEP solid, for fitting an enclosure around it. Zipped because the STEP itself is about 20 MB of text; every CAD package opens it.

  Used by ESP32 Expansion Bases: 2.54 mm, PinPulse, Pluggable Terminal and Screw Terminal

• ESP32 PinPulse Base, 3D model (GLB)GLB9.7 MB · updated 2026-09-15

  The manufacturing geometry of the PinPulse base, with its four inverters and twenty-four LEDs, packed for the web with the immersion-gold finish baked in. Opens in any glTF viewer, and in a browser.

  Used by ESP32 Expansion Bases: 2.54 mm, PinPulse, Pluggable Terminal and Screw Terminal

• ESP32 PinPulse Base, CAD model (STEP)STEP5.3 MB · updated 2026-09-15

  The same board as an AP214 STEP solid, for fitting an enclosure around it. Zipped because the STEP itself is about 20 MB of text; every CAD package opens it.

  Used by ESP32 Expansion Bases: 2.54 mm, PinPulse, Pluggable Terminal and Screw Terminal

• ESP32 Pluggable Terminal Base, 3D model (GLB)GLB3.2 MB · updated 2026-09-15

  The manufacturing geometry of the pluggable terminal base, packed for the web with the immersion-gold finish baked in. Opens in any glTF viewer, and in a browser.

  Used by ESP32 Expansion Bases: 2.54 mm, PinPulse, Pluggable Terminal and Screw Terminal

• ESP32 Pluggable Terminal Base, CAD model (STEP)STEP3.5 MB · updated 2026-09-15

  The same board as an AP214 STEP solid, for fitting an enclosure around it. Zipped because the STEP itself is about 20 MB of text; every CAD package opens it.

  Used by ESP32 Expansion Bases: 2.54 mm, PinPulse, Pluggable Terminal and Screw Terminal

• ESP32 Screw Terminal Base, 3D model (GLB)GLB3.5 MB · updated 2026-09-15

  The manufacturing geometry of the screw terminal base, packed for the web with the immersion-gold finish baked in. Opens in any glTF viewer, and in a browser.

  Used by ESP32 Expansion Bases: 2.54 mm, PinPulse, Pluggable Terminal and Screw Terminal

• ESP32 Screw Terminal Base, CAD model (STEP)STEP3.5 MB · updated 2026-09-15

  The same board as an AP214 STEP solid, for fitting an enclosure around it. Zipped because the STEP itself is about 20 MB of text; every CAD package opens it.

  Used by ESP32 Expansion Bases: 2.54 mm, PinPulse, Pluggable Terminal and Screw Terminal

• MicroSD Card Reader, 3D model (GLB)GLBv1.0 · 1.1 MB · updated 2026-09-16

  The manufacturing geometry, packed for the web with gold-plated pads. Opens in any glTF viewer, and in Blender, Windows 3D Viewer and macOS Quick Look without one.

  Used by SD and microSD Card Readers for ESP32: SPI, 1-bit and 4-bit

• MicroSD Card Reader, CAD model (STEP)STEPv1.0 · 1.4 MB · updated 2026-09-16

  The same board as a STEP solid, for fitting an enclosure around it. Zipped because a STEP file is plain text and compresses to a fraction of itself; every CAD package opens it.

  Used by SD and microSD Card Readers for ESP32: SPI, 1-bit and 4-bit

• SD Card Reader, 3D model (GLB)GLBv2.0 · 1.6 MB · updated 2026-09-16

  The manufacturing geometry, packed for the web with gold-plated pads. Opens in any glTF viewer, and in Blender, Windows 3D Viewer and macOS Quick Look without one.

  Used by SD and microSD Card Readers for ESP32: SPI, 1-bit and 4-bit

• SD Card Reader, CAD model (STEP)STEPv2.0 · 1.5 MB · updated 2026-09-16

  The same board as a STEP solid, for fitting an enclosure around it. Zipped because a STEP file is plain text and compresses to a fraction of itself; every CAD package opens it.

  Used by SD and microSD Card Readers for ESP32: SPI, 1-bit and 4-bit

• Rotary Encoder, 3D model (GLB)GLBv1.0 · 2.4 MB · updated 2026-09-18

  The manufacturing geometry, packed for the web with gold-plated pads. Opens in any glTF viewer, and in Blender, Windows 3D Viewer and macOS Quick Look without one.

  Used by Rotary Encoder

• Rotary Encoder, CAD model (STEP)STEPv1.0 · 3.4 MB · updated 2026-09-18

  The same block as a STEP solid, for fitting a panel or an enclosure around it. Zipped because a STEP file is plain text and compresses to a fraction of itself; every CAD package opens it.

  Used by Rotary Encoder

• Disc Potentiometer, 3D model (GLB)GLBv1.0 · 1.1 MB · updated 2026-09-18

  The manufacturing geometry, packed for the web with gold-plated pads. Opens in any glTF viewer, and in Blender, Windows 3D Viewer and macOS Quick Look without one.

  Used by Disc Potentiometer

• Disc Potentiometer, CAD model (STEP)STEPv1.0 · 3.1 MB · updated 2026-09-18

  The same block as a STEP solid, for fitting a panel or an enclosure around it. Zipped because a STEP file is plain text and compresses to a fraction of itself; every CAD package opens it.

  Used by Disc Potentiometer

• Rotary Potentiometer, 3D model (GLB)GLBv1.0 · 2.1 MB · updated 2026-09-18

  The manufacturing geometry, packed for the web with gold-plated pads. Opens in any glTF viewer, and in Blender, Windows 3D Viewer and macOS Quick Look without one.

  Used by Rotary Potentiometer

• Rotary Potentiometer, CAD model (STEP)STEPv1.0 · 876 KB · updated 2026-09-18

  The same block as a STEP solid, for fitting a panel or an enclosure around it. Zipped because a STEP file is plain text and compresses to a fraction of itself; every CAD package opens it.

  Used by Rotary Potentiometer

• Voltmeter, 3D model (GLB)GLBv1.0 · 806 KB · updated 2026-09-18

  The manufacturing geometry, packed for the web with gold-plated pads. Opens in any glTF viewer, and in Blender, Windows 3D Viewer and macOS Quick Look without one.

  Used by Voltmeter

• Voltmeter, CAD model (STEP)STEPv1.0 · 660 KB · updated 2026-09-18

  The same block as a STEP solid, for fitting a panel or an enclosure around it. Zipped because a STEP file is plain text and compresses to a fraction of itself; every CAD package opens it.

  Used by Voltmeter

• NTC Thermistor, 3D model (GLB)GLBv1.0 · 767 KB · updated 2026-09-18

  The manufacturing geometry, packed for the web with gold-plated pads. Opens in any glTF viewer, and in Blender, Windows 3D Viewer and macOS Quick Look without one.

  Used by NTC Thermistor

• NTC Thermistor, CAD model (STEP)STEPv1.0 · 679 KB · updated 2026-09-18

  The same block as a STEP solid, for fitting a panel or an enclosure around it. Zipped because a STEP file is plain text and compresses to a fraction of itself; every CAD package opens it.

  Used by NTC Thermistor

• IR Receiver, 3D model (GLB)GLBv1.0.1 · 933 KB · updated 2026-09-19

  The manufacturing geometry, packed for the web with gold-plated pads. Opens in any glTF viewer, and in Blender, Windows 3D Viewer and macOS Quick Look without one.

  Used by IR Receiver

• IR Receiver, CAD model (STEP)STEPv1.0.1 · 2.5 MB · updated 2026-09-19

  The same block as a STEP solid, with the flat-lying receiver in its steel shield, for fitting a panel or an enclosure around it. Zipped because a STEP file is plain text and compresses to a fraction of itself; every CAD package opens it.

  Used by IR Receiver

• IR Sender, 3D model (GLB)GLBv1.0 · 1013 KB · updated 2026-09-19

  The manufacturing geometry, packed for the web with gold-plated pads. Opens in any glTF viewer, and in Blender, Windows 3D Viewer and macOS Quick Look without one.

  Used by IR Sender

• IR Sender, CAD model (STEP)STEPv1.0 · 1.8 MB · updated 2026-09-19

  The same block as a STEP solid, with the flat-lying infrared LED, for fitting a panel or an enclosure around it. Zipped because a STEP file is plain text and compresses to a fraction of itself; every CAD package opens it.

  Used by IR Sender

• Collision Sensor, 3D model (GLB)GLBv1.0 · 959 KB · updated 2026-09-19

  The manufacturing geometry, packed for the web with gold-plated pads. Opens in any glTF viewer, and in Blender, Windows 3D Viewer and macOS Quick Look without one.

  Used by Collision Sensor

• Collision Sensor, CAD model (STEP)STEPv1.0 · 711 KB · updated 2026-09-19

  The same block as a STEP solid, with the lever switch lying flat with its lever past the top edge, for fitting a panel or an enclosure around it. Zipped because a STEP file is plain text and compresses to a fraction of itself; every CAD package opens it.

  Used by Collision Sensor

• Hall Effect Sensor, 3D model (GLB)GLBv1.0 · 1.1 MB · updated 2026-09-19

  The manufacturing geometry, packed for the web with gold-plated pads. Opens in any glTF viewer, and in Blender, Windows 3D Viewer and macOS Quick Look without one.

  Used by Hall Effect Sensor

• Hall Effect Sensor, CAD model (STEP)STEPv1.0 · 1.1 MB · updated 2026-09-19

  The same block as a STEP solid for fitting a panel or an enclosure around it. Zipped because a STEP file is plain text and compresses to a fraction of itself; every CAD package opens it.

  Used by Hall Effect Sensor

• 4-Direction Tilt Sensor, 3D model (GLB)GLBv1.0 · 1.1 MB · updated 2026-09-19

  The manufacturing geometry, packed for the web with gold-plated pads. Opens in any glTF viewer, and in Blender, Windows 3D Viewer and macOS Quick Look without one.

  Used by 4-Direction Tilt Sensor

• 4-Direction Tilt Sensor, CAD model (STEP)STEPv1.0 · 843 KB · updated 2026-09-19

  The same block as a STEP solid for fitting a panel or an enclosure around it. Zipped because a STEP file is plain text and compresses to a fraction of itself; every CAD package opens it.

  Used by 4-Direction Tilt Sensor

• Ambient Light Sensor, 3D model (GLB)GLBv1.0 · 805 KB · updated 2026-09-19

  The manufacturing geometry, packed for the web with gold-plated pads. Opens in any glTF viewer, and in Blender, Windows 3D Viewer and macOS Quick Look without one.

  Used by Ambient Light Sensor

• Ambient Light Sensor, CAD model (STEP)STEPv1.0 · 700 KB · updated 2026-09-19

  The same block as a STEP solid for fitting a panel or an enclosure around it. Zipped because a STEP file is plain text and compresses to a fraction of itself; every CAD package opens it.

  Used by Ambient Light Sensor

• Slim Joystick, 3D model (GLB)GLBv1.0 · 2.8 MB · updated 2026-09-19

  The manufacturing geometry, packed for the web with gold-plated pads. Opens in any glTF viewer, and in Blender, Windows 3D Viewer and macOS Quick Look without one.

  Used by Slim Joystick

• Slim Joystick, CAD model (STEP)STEPv1.0 · 626 KB · updated 2026-09-19

  The same block as a STEP solid for fitting a panel or an enclosure around it. Zipped because a STEP file is plain text and compresses to a fraction of itself; every CAD package opens it.

  Used by Slim Joystick

• Dual Axis Joystick, 3D model (GLB)GLBv1.0 · 2.0 MB · updated 2026-09-19

  The manufacturing geometry, packed for the web with gold-plated pads. Opens in any glTF viewer, and in Blender, Windows 3D Viewer and macOS Quick Look without one.

  Used by Dual Axis Joystick

• Dual Axis Joystick, CAD model (STEP)STEPv1.0 · 1.1 MB · updated 2026-09-19

  The same block as a STEP solid for fitting a panel or an enclosure around it. Zipped because a STEP file is plain text and compresses to a fraction of itself; every CAD package opens it.

  Used by Dual Axis Joystick

• Analog Microphone, 3D model (GLB)GLBv1.0 · 4.5 MB · updated 2026-09-19

  The manufacturing geometry, packed for the web with gold-plated pads. Opens in any glTF viewer, and in Blender, Windows 3D Viewer and macOS Quick Look without one.

  Used by Analog Microphone

• Analog Microphone, CAD model (STEP)STEPv1.0 · 901 KB · updated 2026-09-19

  The same block as a STEP solid for fitting a panel or an enclosure around it. Zipped because a STEP file is plain text and compresses to a fraction of itself; every CAD package opens it.

  Used by Analog Microphone

• Knock Sensor, 3D model (GLB)GLBv1.0 · 1.1 MB · updated 2026-09-19

  The manufacturing geometry, packed for the web with gold-plated pads. Opens in any glTF viewer, and in Blender, Windows 3D Viewer and macOS Quick Look without one.

  Used by Knock Sensor

• Knock Sensor, CAD model (STEP)STEPv1.0 · 982 KB · updated 2026-09-19

  The same block as a STEP solid for fitting a panel or an enclosure around it. Zipped because a STEP file is plain text and compresses to a fraction of itself; every CAD package opens it.

  Used by Knock Sensor

• Analog to Digital Signal, 3D model (GLB)GLBv1.0 · 1.3 MB · updated 2026-09-19

  The manufacturing geometry, packed for the web with gold-plated pads. Opens in any glTF viewer, and in Blender, Windows 3D Viewer and macOS Quick Look without one.

  Used by Analog to Digital Signal

• Analog to Digital Signal, CAD model (STEP)STEPv1.0 · 1.7 MB · updated 2026-09-19

  The same block as a STEP solid for fitting a panel or an enclosure around it. Zipped because a STEP file is plain text and compresses to a fraction of itself; every CAD package opens it.

  Used by Analog to Digital Signal

• Vibration Motor, 3D model (GLB)GLBv1.0 · 1.5 MB · updated 2026-09-19

  The manufacturing geometry, packed for the web with gold-plated pads. Opens in any glTF viewer, and in Blender, Windows 3D Viewer and macOS Quick Look without one.

  Used by Vibration Motor

• Vibration Motor, CAD model (STEP)STEPv1.0 · 1.8 MB · updated 2026-09-19

  The same block as a STEP solid for fitting a panel or an enclosure around it. Zipped because a STEP file is plain text and compresses to a fraction of itself; every CAD package opens it.

  Used by Vibration Motor

• Touch Sensor, 3D model (GLB)GLBv1.0 · 952 KB · updated 2026-09-25

  The block with gold-plated edges and pad and the right-angle header soldered. Opens in any glTF viewer, and in Blender, Windows 3D Viewer and macOS Quick Look without one.

  Used by TTP223 Touch Sensor

• Touch Sensor, CAD model (STEP)STEPv1.0 · 699 KB · updated 2026-09-25

  The same block as a STEP solid, for fitting a panel in front of the pad or an enclosure around it. Zipped because a STEP file is plain text and compresses to a fraction of itself.

  Used by TTP223 Touch Sensor

• Active Buzzer, 3D model (GLB)GLBv1.0 · 1021 KB · updated 2026-09-25

  The block as it ships, with gold-plated edges, the right-angle header soldered and the buzzer under its paper seal. Opens in any glTF viewer, and in Blender, Windows 3D Viewer and macOS Quick Look without one.

  Used by Active Buzzer

• Active Buzzer, CAD model (STEP)STEPv1.0 · 1.0 MB · updated 2026-09-25

  The same block as a STEP solid, for fitting a panel or an enclosure around it; the buzzer stands 9.5 mm over the board. Zipped because a STEP file is plain text and compresses to a fraction of itself.

  Used by Active Buzzer

• Reed Switch, 3D model (GLB)GLBv1.0 · 1013 KB · updated 2026-09-25

  The block as it ships, with gold-plated edges, the right-angle header soldered and the reed switch's blades visible through its glass. Opens in any glTF viewer, and in Blender, Windows 3D Viewer and macOS Quick Look without one.

  Used by Reed Switch

• Reed Switch, CAD model (STEP)STEPv1.0 · 944 KB · updated 2026-09-25

  The same block as a STEP solid, for fitting a panel or an enclosure around it and placing a magnet against the glass tube. Zipped because a STEP file is plain text and compresses to a fraction of itself.

  Used by Reed Switch

• Door Sensor, 3D model (GLB)GLBv1.0 · 1.4 MB · updated 2026-10-12

  The block as it ships, with gold-plated edges, the two-way screw terminal and the right-angle header soldered. Opens in any glTF viewer, and in Blender, Windows 3D Viewer and macOS Quick Look without one.

  Used by Door Sensor

• Door Sensor, CAD model (STEP)STEPv1.0 · 916 KB · updated 2026-10-12

  The same block as a STEP solid, for fitting a panel or an enclosure around it; the screw terminal stands 9.9 mm over the board. Zipped because a STEP file is plain text and compresses to a fraction of itself.

  Used by Door Sensor

• Infrared Transmitter, 3D model (GLB)GLBv1.0 · 1.1 MB · updated 2026-09-25

  The block as it ships, with gold-plated edges, the right-angle header soldered and the 5 mm infrared LED standing up off the board. Opens in any glTF viewer, and in Blender, Windows 3D Viewer and macOS Quick Look without one.

  Used by Infrared Transmitter

• Infrared Transmitter, CAD model (STEP)STEPv1.0 · 1.1 MB · updated 2026-09-25

  The same block as a STEP solid, for lining it up with a receiver across a gap or fitting it into an enclosure; the header and the transistor are not in the STEP. Zipped because a STEP file is plain text and compresses to a fraction of itself.

  Used by Infrared Transmitter

• Dual Bright LEDs, 3D model (GLB)GLBv1.0 · 1.4 MB · updated 2026-09-26

  The block as it ships, with gold-plated edges, the right-angle header soldered and the two flat white LEDs at the top. Opens in any glTF viewer, and in Blender, Windows 3D Viewer and macOS Quick Look without one.

  Used by Dual Bright LEDs

• Dual Bright LEDs, CAD model (STEP)STEPv1.0 · 2.0 MB · updated 2026-09-26

  The same block as a STEP solid, every part on the board included, for fitting it behind a diffuser or into a lamp. Zipped because a STEP file is plain text and compresses to a fraction of itself.

  Used by Dual Bright LEDs

• Infrared Receiver, 3D model (GLB)GLBv1.0 · 909 KB · updated 2026-09-25

  The block as it ships, with gold-plated edges, the right-angle header soldered and the black 5 mm phototransistor standing up off the board. Opens in any glTF viewer, and in Blender, Windows 3D Viewer and macOS Quick Look without one.

  Used by Infrared Receiver

• Infrared Receiver, CAD model (STEP)STEPv1.0 · 754 KB · updated 2026-09-25

  The same block as a STEP solid, for lining it up with a TK63 across a gap or fitting a shade over the dome; the header is not in the STEP. Zipped because a STEP file is plain text and compresses to a fraction of itself.

  Used by Infrared Receiver

• Steam Sensor, 3D model (GLB)GLBv1.0 · 743 KB · updated 2026-09-25

  The block as it ships, with the gold sensing loops, the gold-plated edges and the right-angle header soldered. Opens in any glTF viewer, and in Blender, Windows 3D Viewer and macOS Quick Look without one.

  Used by Steam Sensor

• Steam Sensor, CAD model (STEP)STEPv1.0 · 844 KB · updated 2026-09-25

  The board and its parts as a STEP solid, for fitting a panel or an enclosure that leaves the loops open to the steam. The header is not in the STEP. Zipped because a STEP file is plain text and compresses to a fraction of itself.

  Used by Steam Sensor

• Linear Hall Effect Sensor, 3D model (GLB)GLBv1.0 · 907 KB · updated 2026-09-25

  The block as it ships, with gold-plated edges, the right-angle header soldered and the SOT-23 Hall chip under the N/S drawing. Opens in any glTF viewer, and in Blender, Windows 3D Viewer and macOS Quick Look without one.

  Used by Linear Hall Effect Sensor

• Linear Hall Effect Sensor, CAD model (STEP)STEPv1.0 · 641 KB · updated 2026-09-25

  The board as a STEP solid, for fitting a panel or an enclosure around it and placing a magnet over the chip. The header and the Hall chip are not in the STEP: the chip stands up to 1.25 mm over the board. Zipped because a STEP file is plain text and compresses to a fraction of itself.

  Used by Linear Hall Effect Sensor

• Five-Direction Joystick, 3D model (GLB)GLBv1.0 · 1.1 MB · updated 2026-09-26

  The block as it ships: the gold-edged board, the right-angle header, the five-way switch and its black silicone cap. Opens in any glTF viewer, and in Blender, Windows 3D Viewer and macOS Quick Look without one.

  Used by Five-Direction Joystick

• Five-Direction Joystick, CAD model (STEP)STEPv1.0 · 2.1 MB · updated 2026-09-26

  The board, the header, the switch and its cap as STEP solids, for cutting a panel the cap pokes through or fitting an enclosure. The cap is modelled from the seller's dimensions and placed on the switch's stem. Zipped because a STEP file is plain text and compresses to a fraction of itself.

  Used by Five-Direction Joystick

• Mechanical Key and LED, 3D model (GLB)GLBv1.0 · 9.2 MB · updated 2026-09-26

  The block as it ships: the gold-edged board, the right-angle header, the key switch with its blue stem and the frosted keycap, which is see-through so the switch and the LED under it show. Opens in any glTF viewer, and in Blender, Windows 3D Viewer and macOS Quick Look without one.

  Used by Mechanical Key and LED

• Mechanical Key and LED, CAD model (STEP)STEPv1.0 · 1.2 MB · updated 2026-09-26

  The board, the header, the key switch and its keycap as STEP solids, for cutting a panel the key pokes through or fitting an enclosure. The switch and cap are an MX-style model placed on the footprint, since the parts list names no maker. Zipped because a STEP file is plain text and compresses to a fraction of itself.

  Used by Mechanical Key and LED

• 3-Axis Accelerometer, 3D model (GLB)GLBv1.0 · 1.1 MB · updated 2026-09-27

  The block as it ships: the gold-edged board with the SC7A20H between the mounting holes, the pull-ups, capacitors and power light round it, and the right-angle header fitted. Opens in any glTF viewer, and in Blender, Windows 3D Viewer and macOS Quick Look without one.

  Used by 3-Axis Accelerometer

• 3-Axis Accelerometer, CAD model (STEP)STEPv1.0 · 918 KB · updated 2026-09-27

  The board, the SC7A20H, the passives and the header as STEP solids, for a mount that holds the board square to what it measures. Zipped because a STEP file is plain text and compresses to a fraction of itself.

  Used by 3-Axis Accelerometer

• SHT31 Temperature and Humidity Sensor, 3D model (GLB)GLBv1.0 · 1.2 MB · updated 2026-09-26

  The block as it ships: the gold-edged board with the slot routed round the SHT31, the passives and power light, and the right-angle header fitted. Opens in any glTF viewer, and in Blender, Windows 3D Viewer and macOS Quick Look without one.

  Used by SHT31 Temperature and Humidity Sensor

• SHT31 Temperature and Humidity Sensor, CAD model (STEP)STEPv1.0 · 1.0 MB · updated 2026-09-26

  The board, the SHT31, the passives and the header as STEP solids, for an enclosure with a vent over the sensor. Zipped because a STEP file is plain text and compresses to a fraction of itself.

  Used by SHT31 Temperature and Humidity Sensor

• Logic Level Converter, 3D model (GLB)GLBv1.0 · 3.5 MB · updated 2026-09-26

  The block as it ships: the gold-edged board laid landscape, the right-angle socket along the 3.3 V edge, the right-angle header along the 5 V edge, six transistors and the regulator. Opens in any glTF viewer, and in Blender, Windows 3D Viewer and macOS Quick Look without one.

  Used by Logic Level Converter

• Logic Level Converter, CAD model (STEP)STEPv1.0 · 1.7 MB · updated 2026-09-26

  The board, the socket, the header and every part as STEP solids, for fitting it in an enclosure beside the blocks either side of it. Zipped because a STEP file is plain text and compresses to a fraction of itself.

  Used by Logic Level Converter

• Matrix Keypad I2C Adapter, 3D model (GLB)GLBv2.0 · 1.6 MB · updated 2026-09-26

  The TK85 (v2) as it ships, with gold-plated edges, the PCF8574 and both right-angle headers soldered. Opens in any glTF viewer, and in Blender, Windows 3D Viewer and macOS Quick Look without one.

  Used by Matrix Keypad with I2C Adapter (4x4, PCF8574)

• Matrix Keypad I2C Adapter, CAD model (STEP)STEPv2.0 · 1.6 MB · updated 2026-09-26

  The TK85 (v2) board as a STEP solid, for fitting a panel or an enclosure around it and the keypad's ribbon. The chip and the two headers are not in the STEP: the chip stands 2.85 mm over the board and the right-angle pins 4.34 mm, the keypad's reaching 4.4 mm past the top edge. Zipped because a STEP file is plain text and compresses to a fraction of itself.

  Used by Matrix Keypad with I2C Adapter (4x4, PCF8574)

• 1.8-inch TFT Display, 3D model (GLB)GLBv3.0 · 1.6 MB · updated 2026-09-26

  The V3 board as it ships: the 1.77-inch panel on the front, the ribbon socket, the BSS138 and the right-angle header on the back. Opens in any glTF viewer, and in Blender, Windows 3D Viewer and macOS Quick Look without one.

  Used by 1.8-inch TFT Display

• 1.8-inch TFT Display, CAD model (STEP)STEPv3.0 · 2.6 MB · updated 2026-09-26

  The board as a STEP solid, for fitting a panel or an enclosure around it. The panel, the ribbon socket and the BSS138 are not in the STEP: the panel stands about 2.5 mm over the front, 43.42 by 33.88 mm, centred on the board. Zipped because a STEP file is plain text and compresses to a fraction of itself.

  Used by 1.8-inch TFT Display

• Piezo-Ceramic Sensor, 3D model (GLB)GLBv1.0 · 1.2 MB · updated 2026-09-25

  The block as it ships, with gold-plated edges and the right-angle header soldered, turned with the header on the left and its 22 mm disc laid on the right on its black and red leads. Opens in any glTF viewer, and in Blender, Windows 3D Viewer and macOS Quick Look without one.

  Used by Piezo-Ceramic Sensor

• Piezo-Ceramic Sensor, CAD model (STEP)STEPv1.0 · 7.3 MB · updated 2026-09-25

  The same block and disc in the same pose, as a STEP file for fitting a panel or an enclosure around them. Faces from the 3D model, not solids: the board's export had no STEP, so this one was built from the mesh. Zipped because a STEP file is plain text and compresses to a fraction of itself.

  Used by Piezo-Ceramic Sensor

• Infrared Speed Sensor, 3D model (GLB)GLBv1.0 · 1.1 MB · updated 2026-09-25

  The block as it ships, with gold-plated edges, the right-angle header soldered and the GK105A slot sensor standing 11 mm over the board. Opens in any glTF viewer, and in Blender, Windows 3D Viewer and macOS Quick Look without one.

  Used by Infrared Speed Sensor

• Infrared Speed Sensor, CAD model (STEP)STEPv1.0 · 1.4 MB · updated 2026-09-25

  The same block as a STEP solid, for designing a mount that holds a slotted disc's rim in the 5 mm slot, or an enclosure around it. Zipped because a STEP file is plain text and compresses to a fraction of itself.

  Used by Infrared Speed Sensor

• Tilt Sensor, 3D model (GLB)GLBv1.0 · 913 KB · updated 2026-09-25

  The block as it ships, with gold-plated edges, the right-angle header soldered and the brass tilt switch lying flat with its leads at the left edge. Opens in any glTF viewer, and in Blender, Windows 3D Viewer and macOS Quick Look without one.

  Used by Tilt Sensor

• Tilt Sensor, CAD model (STEP)STEPv1.0 · 838 KB · updated 2026-09-25

  The same block as a STEP solid, for fitting it into a model or an enclosure with room around the 12 mm can. Zipped because a STEP file is plain text and compresses to a fraction of itself.

  Used by Tilt Sensor

• Reflective Optical Sensor, 3D model (GLB)GLBv1.0 · 989 KB · updated 2026-09-25

  The block as it ships, with gold-plated edges, the right-angle header soldered and the TCRT5000's blue emitter and black receiver domes. Opens in any glTF viewer, and in Blender, Windows 3D Viewer and macOS Quick Look without one.

  Used by Reflective Optical Sensor

• Reflective Optical Sensor, CAD model (STEP)STEPv1.0 · 975 KB · updated 2026-09-25

  The same block as a STEP solid, for mounting it face down at the right height over a floor or a belt; the sensor stands 7 mm over the board. Zipped because a STEP file is plain text and compresses to a fraction of itself.

  Used by Reflective Optical Sensor

• EEPROM Memory, 3D model (GLB)GLBv1.0 · 878 KB · updated 2026-09-24

  The manufacturing geometry, packed for the web with gold-plated pads. Opens in any glTF viewer, and in Blender, Windows 3D Viewer and macOS Quick Look without one.

  Used by EEPROM Memory

• EEPROM Memory, CAD model (STEP)STEPv1.0 · 928 KB · updated 2026-09-24

  The same block as a STEP solid for fitting a panel or an enclosure around it. Zipped because a STEP file is plain text and compresses to a fraction of itself; every CAD package opens it.

  Used by EEPROM Memory

• RS485 board, MAX485 5 V, 3D model (GLB)GLBv1.0 · 1.7 MB · updated 2026-09-24

  The board as manufactured, bare, with the screw terminal fitted and no headers: they ship loose. Opens in any glTF viewer, and in Blender, Windows 3D Viewer and macOS Quick Look without one.

  Used by RS485 Transceiver Boards: MAX485 for 5 V and MAX3485 for 3.3 V

• RS485 board, MAX485 5 V, CAD model (STEP)STEPv1.0 · 1.6 MB · updated 2026-09-24

  The same bare board as a STEP solid, for fitting a case or a panel around it. Zipped because a STEP file is plain text and compresses to a fraction of itself.

  Used by RS485 Transceiver Boards: MAX485 for 5 V and MAX3485 for 3.3 V

• RS485 board, MAX3485 3.3 V, 3D model (GLB)GLBv1.0 · 1.8 MB · updated 2026-09-24

  The board as manufactured, bare, with the screw terminal fitted and no headers: they ship loose. Opens in any glTF viewer, and in Blender, Windows 3D Viewer and macOS Quick Look without one.

  Used by RS485 Transceiver Boards: MAX485 for 5 V and MAX3485 for 3.3 V

• RS485 board, MAX3485 3.3 V, CAD model (STEP)STEPv1.0 · 1.7 MB · updated 2026-09-24

  The same bare board as a STEP solid, for fitting a case or a panel around it. Zipped because a STEP file is plain text and compresses to a fraction of itself.

  Used by RS485 Transceiver Boards: MAX485 for 5 V and MAX3485 for 3.3 V

• PCA9685 servo driver, 3D model (GLB)GLBv1.0 · 5.9 MB · updated 2026-09-27

  The board as it ships, with the six-pin header, the six-pin socket and all 48 servo pins soldered. Opens in any glTF viewer, and in Blender, Windows 3D Viewer and macOS Quick Look without one.

  Used by PCA9685 16-Channel Servo Driver: Sixteen Servos on Two I²C Wires

• PCA9685 servo driver, CAD model (STEP)STEPv1.0 · 5.9 MB · updated 2026-09-27

  The same board as a STEP solid, for fitting a case, a robot chassis or a panel around it. Zipped because a STEP file is plain text and compresses to a fraction of itself.

  Used by PCA9685 16-Channel Servo Driver: Sixteen Servos on Two I²C Wires

• TK100 I2S Amplifier, 3D model (GLB)GLBv1.0 · 2.3 MB · updated 2026-09-24

  The block as it ships, with gold-plated edges, the speaker socket and the header soldered. Opens in any glTF viewer, and in Blender, Windows 3D Viewer and macOS Quick Look without one.

  Used by I2S Amplifier

• TK100 I2S Amplifier, CAD model (STEP)STEPv1.0 · 1.6 MB · updated 2026-09-24

  The same block as a STEP solid, for fitting a case or a panel around it. Zipped because a STEP file is plain text and compresses to a fraction of itself.

  Used by I2S Amplifier

• TK101 PDM Microphone, 3D model (GLB)GLBv1.0 · 1.3 MB · updated 2026-09-24

  The block as it ships, with gold-plated edges and the header soldered. Opens in any glTF viewer, and in Blender, Windows 3D Viewer and macOS Quick Look without one.

  Used by PDM Microphone

• TK101 PDM Microphone, CAD model (STEP)STEPv1.0 · 1.0 MB · updated 2026-09-24

  The same block as a STEP solid, for fitting a case or a panel around it. Zipped because a STEP file is plain text and compresses to a fraction of itself.

  Used by PDM Microphone

• TK103 I2S DAC, 3D model (GLB)GLBv1.0 · 2.5 MB · updated 2026-09-24

  The block as it ships, with gold-plated edges, the 3.5 mm jack and the header soldered. Opens in any glTF viewer, and in Blender, Windows 3D Viewer and macOS Quick Look without one.

  Used by I2S DAC

• TK103 I2S DAC, CAD model (STEP)STEPv1.0 · 1.9 MB · updated 2026-09-24

  The same block as a STEP solid, for fitting a case or a panel around it. Zipped because a STEP file is plain text and compresses to a fraction of itself.

  Used by I2S DAC

• TK109 CAN Bus, 3D model (GLB)GLBv1.0 · 1.4 MB · updated 2026-09-24

  The block as it ships, with gold-plated edges and both headers soldered. Opens in any glTF viewer, and in Blender, Windows 3D Viewer and macOS Quick Look without one.

  Used by CAN Bus

• TK109 CAN Bus, CAD model (STEP)STEPv1.0 · 1.2 MB · updated 2026-09-24

  The same block as a STEP solid, for fitting a case or a panel around it. Zipped because a STEP file is plain text and compresses to a fraction of itself.

  Used by CAN Bus

• TK119 INA219 Current Monitor, 3D model (GLB)GLBv1.0 · 2.1 MB · updated 2026-09-25

  The block as it ships, with gold-plated edges, both screw terminals and the right-angle header soldered. Opens in any glTF viewer, and in Blender, Windows 3D Viewer and macOS Quick Look without one.

  Used by INA219 Current Monitor

• TK119 INA219 Current Monitor, CAD model (STEP)STEPv1.0 · 1.6 MB · updated 2026-09-25

  The same block as a STEP solid, for fitting a case or a panel around it. Zipped because a STEP file is plain text and compresses to a fraction of itself.

  Used by INA219 Current Monitor

• TK50 Ultrasonic Distance Sensor, 3D model (GLB)GLBv1.0 · 2.2 MB · updated 2026-09-25

  The block as it ships, with gold-plated edges, both transducers and the right-angle header soldered, turned so the transducers face you. Opens in any glTF viewer, and in Blender, Windows 3D Viewer and macOS Quick Look without one.

  Used by Ultrasonic Distance Sensor

• TK50 Ultrasonic Distance Sensor, CAD model (STEP)STEPv1.0 · 2.0 MB · updated 2026-09-25

  The same block as a STEP solid, for fitting a panel or an enclosure around it: the transducers stand 12 mm off one face and the header pins run past the bottom edge. It keeps the design's own pose, chip side up, where the GLB is turned transducers up. Zipped because a STEP file is plain text and compresses to a fraction of itself.

  Used by Ultrasonic Distance Sensor

• TK42 LM75 Temperature Sensor, 3D model (GLB)GLBv1.0 · 861 KB · updated 2026-09-25

  The block as it ships, with gold-plated edges and the right-angle header soldered. Opens in any glTF viewer, and in Blender, Windows 3D Viewer and macOS Quick Look without one.

  Used by LM75 Temperature Sensor

• TK42 LM75 Temperature Sensor, CAD model (STEP)STEPv1.0 · 831 KB · updated 2026-09-25

  The same block as a STEP solid, for fitting a case or a panel around it. Zipped because a STEP file is plain text and compresses to a fraction of itself.

  Used by LM75 Temperature Sensor

• TK53 74HC595 Segment LED, 3D model (GLB)GLBv1.0 · 1.8 MB · updated 2026-09-25

  The block as it ships, with the digit and the right-angle header soldered. Opens in any glTF viewer, and in Blender, Windows 3D Viewer and macOS Quick Look without one.

  Used by 74HC595 Segment LED

• TK53 74HC595 Segment LED, CAD model (STEP)STEPv1.0 · 1.8 MB · updated 2026-09-25

  The same block as a STEP solid, for fitting a case or a panel around it. Zipped because a STEP file is plain text and compresses to a fraction of itself.

  Used by 74HC595 Segment LED

• Passive Buzzer, 3D model (GLB)GLBv1.0 · 1012 KB · updated 2026-09-25

  The block as it ships, with gold-plated edges, the square SMD buzzer and the right-angle header soldered. Opens in any glTF viewer, and in Blender, Windows 3D Viewer and macOS Quick Look without one.

  Used by Passive Buzzer

• Passive Buzzer, CAD model (STEP)STEPv1.0 · 1.1 MB · updated 2026-09-25

  The same block as a STEP solid, for fitting a panel or an enclosure around it; the buzzer stands 3 mm over the board. Zipped because a STEP file is plain text and compresses to a fraction of itself.

  Used by Passive Buzzer

• DHT11 block, 3D model (GLB)GLBv1.0.1 · 930 KB · updated 2026-09-25

  The block as it ships, with gold-plated edges, the right-angle header soldered and the blue DHT11 cage lying flat on the board with its leads bent. Opens in any glTF viewer, and in Blender, Windows 3D Viewer and macOS Quick Look without one.

  Used by DHT11 Temperature and Humidity Sensor

• DHT11 block, CAD model (STEP)STEPv1.0.1 · 738 KB · updated 2026-09-25

  The same block as a STEP solid, for fitting a panel or an enclosure around it, with the sensor folded flat on bent leads as it ships: the cage stands 6.1 mm over the board. Version 1.0.1; 1.0 had the library model standing upright. Zipped because a STEP file is plain text and compresses to a fraction of itself.

  Used by DHT11 Temperature and Humidity Sensor

• DHT22 block, 3D model (GLB)GLBv1.0.1 · 1021 KB · updated 2026-09-25

  The block as it ships, with gold-plated edges, the right-angle header soldered and the white DHT22 cage lying flat on the board with its leads bent. Opens in any glTF viewer, and in Blender, Windows 3D Viewer and macOS Quick Look without one.

  Used by DHT22 Temperature and Humidity Sensor

• DHT22 block, CAD model (STEP)STEPv1.0.1 · 917 KB · updated 2026-09-25

  The same block as a STEP solid, for fitting a panel or an enclosure around it, with the sensor at the real AM2302 size, folded flat on bent leads as it ships: the cage stands 8.4 mm over the board and overhangs its top edge by 1 mm. Version 1.0.1; 1.0 had a smaller library model standing upright. Zipped because a STEP file is plain text and compresses to a fraction of itself.

  Used by DHT22 Temperature and Humidity Sensor

• TK33 WS2812 RGB LED Bar, 3D model (GLB)GLBv1.0 · 1.2 MB · updated 2026-09-25

  The bar as it ships, with the right-angle header soldered. Opens in any glTF viewer, and in Blender, Windows 3D Viewer and macOS Quick Look without one.

  Used by WS2812 RGB LED Bar

• TK33 WS2812 RGB LED Bar, CAD model (STEP)STEPv1.0 · 499 KB · updated 2026-09-25

  The same bar as a STEP solid, for fitting a case or a panel around it. Zipped because a STEP file is plain text and compresses to a fraction of itself.

  Used by WS2812 RGB LED Bar

• Breadboard Power Adapter, Standard, 3D model (GLB)GLBv5.0 · 2.4 MB · updated 2026-09-24

  The manufacturing geometry, packed for the web with gold-plated pads and the pin headers soldered on, as it ships. Opens in any glTF viewer, and in Blender, Windows 3D Viewer and macOS Quick Look without one.

  Used by Breadboard Power Adapters: Standard 5 V / 3.3 V, Step-Down and Booster

• Breadboard Power Adapter, Standard, CAD model (STEP)STEPv5.0 · 2.2 MB · updated 2026-09-24

  The same board as a STEP solid for fitting a panel or an enclosure around it. Zipped because a STEP file is plain text and compresses to a fraction of itself; every CAD package opens it.

  Used by Breadboard Power Adapters: Standard 5 V / 3.3 V, Step-Down and Booster

• GLBBreadboard Power Adapter, Step-Down, 3D model (GLB)GLBv4.0 · 2.9 MB · updated 2026-09-24

  The manufacturing geometry, packed for the web with gold-plated pads and the pin headers soldered on, as it ships. Opens in any glTF viewer, and in Blender, Windows 3D Viewer and macOS Quick Look without one.

• STEPBreadboard Power Adapter, Step-Down, CAD model (STEP)STEPv4.0 · 2.2 MB · updated 2026-09-24

  The same board as a STEP solid for fitting a panel or an enclosure around it. Zipped because a STEP file is plain text and compresses to a fraction of itself; every CAD package opens it.

• GLBBreadboard Power Adapter, Booster, 3D model (GLB)GLBv1.0 · 3.2 MB · updated 2026-09-24

  The manufacturing geometry, packed for the web with gold-plated pads and the pin headers soldered on, as it ships. Opens in any glTF viewer, and in Blender, Windows 3D Viewer and macOS Quick Look without one.

• STEPBreadboard Power Adapter, Booster, CAD model (STEP)STEPv1.0 · 2.7 MB · updated 2026-09-24

  The same board as a STEP solid for fitting a panel or an enclosure around it. Zipped because a STEP file is plain text and compresses to a fraction of itself; every CAD package opens it.

• Push Button, 3D model (GLB)GLBv1.0 · 1.4 MB · updated 2026-09-18

  The manufacturing geometry, packed for the web with gold-plated pads. Opens in any glTF viewer, and in Blender, Windows 3D Viewer and macOS Quick Look without one.

  Used by Push Button

• Push Button, CAD model (STEP)STEPv1.0 · 939 KB · updated 2026-09-18

  The same block as a STEP solid, for fitting a panel or an enclosure around it. Zipped because a STEP file is plain text and compresses to a fraction of itself; every CAD package opens it.

  Used by Push Button

• Latching Button, 3D model (GLB)GLBv1.0 · 911 KB · updated 2026-09-18

  The manufacturing geometry, packed for the web with gold-plated pads. Opens in any glTF viewer, and in Blender, Windows 3D Viewer and macOS Quick Look without one.

  Used by Latching Button

• Latching Button, CAD model (STEP)STEPv1.0 · 772 KB · updated 2026-09-18

  The same block as a STEP solid, for fitting a panel or an enclosure around it. Zipped because a STEP file is plain text and compresses to a fraction of itself; every CAD package opens it.

  Used by Latching Button

• RGB LED, 3D model (GLB)GLBv1.0 · 1.1 MB · updated 2026-09-18

  The manufacturing geometry, packed for the web with gold-plated pads. Opens in any glTF viewer, and in Blender, Windows 3D Viewer and macOS Quick Look without one.

  Used by RGB LED

• RGB LED, CAD model (STEP)STEPv1.0 · 913 KB · updated 2026-09-18

  The same block as a STEP solid, for fitting a panel or an enclosure around it. Zipped because a STEP file is plain text and compresses to a fraction of itself; every CAD package opens it.

  Used by RGB LED

• Traffic Light, 3D model (GLB)GLBv1.0 · 971 KB · updated 2026-09-18

  The manufacturing geometry, packed for the web with gold-plated pads. Opens in any glTF viewer, and in Blender, Windows 3D Viewer and macOS Quick Look without one.

  Used by Traffic Light

• Traffic Light, CAD model (STEP)STEPv1.0 · 927 KB · updated 2026-09-18

  The same block as a STEP solid, for fitting a panel or an enclosure around it. Zipped because a STEP file is plain text and compresses to a fraction of itself; every CAD package opens it.

  Used by Traffic Light

• XL LED, 3D model (GLB)GLBv1.0 · 811 KB · updated 2026-09-18

  The manufacturing geometry, packed for the web with gold-plated pads and the blue lens. Opens in any glTF viewer, and in Blender, Windows 3D Viewer and macOS Quick Look without one.

  Used by XL LED

• XL LED, CAD model (STEP)STEPv1.0 · 577 KB · updated 2026-09-18

  The same block as a STEP solid, for fitting a panel or an enclosure around it. Zipped because a STEP file is plain text and compresses to a fraction of itself; every CAD package opens it.

  Used by XL LED

• GLBDual Axis Joystick (TK23), 3D model (GLB)GLB2.2 MB · updated 2026-09-16

  The manufacturing geometry of the TK23 board with the thumbstick and its cap in place, packed for the web with the immersion-gold finish baked in. Opens in any glTF viewer, and in a browser.

• STEPDual Axis Joystick (TK23), CAD model (STEP)STEP5.0 MB · updated 2026-09-16

  The same board as an AP214 STEP solid, for cutting a panel or fitting an enclosure around the stick. Zipped because the STEP itself is about 26 MB of text; every CAD package opens it.

• ESP32-S3 PinPulse Shield, 3D model (GLB)GLBv4.0 · 14.1 MB · updated 2026-09-17

  The manufacturing geometry of the S3 PinPulse shield, with its six inverters, thirty-six LEDs and both rows of headers, packed for the web. Opens in any glTF viewer, and in a browser.

  Used by ESP32-S3 Expansion Bases: 2.54 mm, PinPulse, Pluggable Terminal and Screw Terminal

• ESP32-S3 PinPulse Shield, CAD model (STEP)STEPv4.0 · 4.8 MB · updated 2026-09-17

  The same board as an AP214 STEP solid, for fitting an enclosure around it. Zipped because the STEP itself is 29 MB of text; every CAD package opens it.

  Used by ESP32-S3 Expansion Bases: 2.54 mm, PinPulse, Pluggable Terminal and Screw Terminal

• ESP32-S3 Expansion Base, 3D model (GLB)GLBv1.5 · 6.3 MB · updated 2026-10-01

  The ESP32-S3 Expansion Base with two rows of 2.54 mm pins down each edge, four strips of twenty, packed for the web. Opens in any glTF viewer, and in a browser.

  Used by ESP32-S3 Expansion Bases: 2.54 mm, PinPulse, Pluggable Terminal and Screw Terminal

• ESP32-S3 Expansion Base, CAD model (STEP)STEPv1.5 · 6.4 MB · updated 2026-10-01

  The same board as an AP214 STEP solid, for fitting an enclosure around it. Zipped because the STEP itself is text; every CAD package opens it.

  Used by ESP32-S3 Expansion Bases: 2.54 mm, PinPulse, Pluggable Terminal and Screw Terminal

• ESP32-C3 OLED Expansion Base, 3D model (GLB)GLBv1.0.1 · 4.2 MB · updated 2026-10-03

  The ESP32-C3 OLED Expansion Base with its pins, sockets, switch and battery connector, packed for the web. Opens in any glTF viewer, and in a browser.

  Used by ESP32-C3 OLED Board and Its Three Bases: Expansion, Pluggable Terminal and Screw Terminal

• ESP32-C3 OLED Expansion Base, CAD model (STEP)STEPv1.0.1 · 3.9 MB · updated 2026-10-03

  The same board as an AP214 STEP solid, for fitting an enclosure around it. Zipped because the STEP itself is text; every CAD package opens it.

  Used by ESP32-C3 OLED Board and Its Three Bases: Expansion, Pluggable Terminal and Screw Terminal

• ESP32-C3 OLED Pluggable Terminal Base, 3D model (GLB)GLBv1.0.1 · 3.6 MB · updated 2026-10-03

  The ESP32-C3 OLED Pluggable Terminal Base with an eight-way push-in terminal block on each edge, packed for the web. Opens in any glTF viewer, and in a browser.

  Used by ESP32-C3 OLED Board and Its Three Bases: Expansion, Pluggable Terminal and Screw Terminal

• ESP32-C3 OLED Pluggable Terminal Base, CAD model (STEP)STEPv1.0.1 · 3.4 MB · updated 2026-10-03

  The same board as an AP214 STEP solid, for fitting an enclosure around it. Zipped because the STEP itself is text; every CAD package opens it.

  Used by ESP32-C3 OLED Board and Its Three Bases: Expansion, Pluggable Terminal and Screw Terminal

• ESP32-C3 OLED Screw Terminal Base, 3D model (GLB)GLBv1.0.1 · 3.6 MB · updated 2026-10-03

  The ESP32-C3 OLED Screw Terminal Base with an eight-way screw terminal block on each edge, its switch and battery connector, packed for the web. Opens in any glTF viewer, and in a browser.

  Used by ESP32-C3 OLED Board and Its Three Bases: Expansion, Pluggable Terminal and Screw Terminal

• ESP32-C3 OLED Screw Terminal Base, CAD model (STEP)STEPv1.0.1 · 3.3 MB · updated 2026-10-03

  The same board as an AP214 STEP solid, for fitting an enclosure around it. Zipped because the STEP itself is text; every CAD package opens it.

  Used by ESP32-C3 OLED Board and Its Three Bases: Expansion, Pluggable Terminal and Screw Terminal

• ESP32-S3 Pluggable Terminal Base, 3D model (GLB)GLBv2.0 · 4.4 MB · updated 2026-10-01

  The ESP32-S3 Pluggable Terminal Base with a twelve-way and a four-way push-in terminal block on each edge, packed for the web. Opens in any glTF viewer, and in a browser.

  Used by ESP32-S3 Expansion Bases: 2.54 mm, PinPulse, Pluggable Terminal and Screw Terminal

• ESP32-S3 Pluggable Terminal Base, CAD model (STEP)STEPv2.0 · 3.7 MB · updated 2026-10-01

  The same board as an AP214 STEP solid, for fitting an enclosure around it. Zipped because the STEP itself is text; every CAD package opens it.

  Used by ESP32-S3 Expansion Bases: 2.54 mm, PinPulse, Pluggable Terminal and Screw Terminal

• ESP32-S3 Screw Terminal Base, 3D model (GLB)GLBv4.0 · 5.9 MB · updated 2026-10-01

  The ESP32-S3 Screw Terminal Base with a fifteen-way screw terminal block on each edge, packed for the web. Opens in any glTF viewer, and in a browser.

  Used by ESP32-S3 Expansion Bases: 2.54 mm, PinPulse, Pluggable Terminal and Screw Terminal

• ESP32-S3 Screw Terminal Base, CAD model (STEP)STEPv4.0 · 5.1 MB · updated 2026-10-01

  The same board as an AP214 STEP solid, for fitting an enclosure around it. Zipped because the STEP itself is text; every CAD package opens it.

  Used by ESP32-S3 Expansion Bases: 2.54 mm, PinPulse, Pluggable Terminal and Screw Terminal

• ESP32 Gold Edition without headers, 3D model (GLB)GLBv1.0 · 3.7 MB · updated 2026-09-18

  The manufacturing geometry of the bare board, with nothing in its header holes, packed for the web with the immersion-gold finish baked in. Opens in any glTF viewer, and in a browser.

• ESP32 Gold Edition without headers, CAD model (STEP)STEPv1.0 · 5.2 MB · updated 2026-09-18

  The same bare board as an AP214 STEP solid, for fitting an enclosure around it. Zipped, because the STEP itself is about 31 MB of text; every CAD package opens it.

• ESP32 Gold Edition with headers fitted, 3D model (GLB)GLBv1.0 · 3.9 MB · updated 2026-09-18

  The manufacturing geometry of the board with headers, with both 19-pin male strips soldered in as it ships, packed for the web with the immersion-gold finish baked in. Opens in any glTF viewer, and in a browser.

• ESP32 Gold Edition with headers fitted, CAD model (STEP)STEPv1.0 · 5.5 MB · updated 2026-09-18

  The same board with headers as an AP214 STEP solid, for fitting an enclosure around it. Zipped, because the STEP itself is about 33 MB of text; every CAD package opens it.

• GLBESP32-S3 Gold Edition without headers, 3D model (GLB)GLBv1.6 · 5.3 MB · updated 2026-09-18

  The manufacturing geometry of the bare board, as it ships, with the two header strips still in the bag, packed for the web with the immersion-gold finish baked in. Opens in any glTF viewer, and in a browser.

• STEPESP32-S3 Gold Edition without headers, CAD model (STEP)STEPv1.6 · 5.5 MB · updated 2026-09-18

  The same bare board as an AP214 STEP solid, for fitting an enclosure around it. Zipped, because the STEP itself is about 36 MB of text; every CAD package opens it.

• GLBESP32-S3 Gold Edition with headers fitted, 3D model (GLB)GLBv1.6 · 5.5 MB · updated 2026-09-18

  The manufacturing geometry of the board with headers, with both 22-pin male strips soldered in, as it sits in a breadboard, packed for the web with the immersion-gold finish baked in. Opens in any glTF viewer, and in a browser.

• STEPESP32-S3 Gold Edition with headers fitted, CAD model (STEP)STEPv1.6 · 5.8 MB · updated 2026-09-18

  The same board with headers as an AP214 STEP solid, for fitting an enclosure around it. Zipped, because the STEP itself is about 38 MB of text; every CAD package opens it.

• Nano V3.0 USB-C, 3D model (GLB)GLBv1.2 · 6.3 MB · updated 2026-10-04

  The manufacturing geometry of the Nano V3.0 (43.2 × 18 mm) with its ATmega328P, CH340C, USB-C socket and both pin rows, packed for the web with textures cut to 2048 px so a phone can open it. Opens in any glTF viewer, and in a browser.

  Used by Nano V3.0 USB-C and PinPulse Shield: Seating the Nano, the LEDs and the First Sketch

• Nano V3.0 USB-C, CAD model (STEP)STEPv1.2 · 4.2 MB · updated 2026-10-04

  The same board as an AP214 STEP solid, for fitting an enclosure or a socket around it. Zipped because the STEP itself is 28 MB of text; every CAD package opens it.

  Used by Nano V3.0 USB-C and PinPulse Shield: Seating the Nano, the LEDs and the First Sketch

• 4-inch 7-Segment Display, 3D model (GLB)GLBv3.0 · 4.8 MB · updated 2026-10-07

  The module with its display on: the driver board, every part on it, the 4-inch digit and its ten pins, packed for the web with textures cut to 2048 px so a phone can open it. The display is its own node, named 4seg_display, so a viewer can hide it to see the parts underneath.

• 4-inch 7-Segment Display, CAD model (STEP)STEPv3.0 · 11.7 MB · updated 2026-10-07

  The same module as an AP214 STEP solid, board and display together, for fitting a panel or a bezel round it. The display's segment windows and hollow back are modelled from its maker's outline and are estimates inside it. Zipped because the STEP itself is 72 MB of text.

• Nano PinPulse Shield, 3D model (GLB)GLBv1.2 · 14.3 MB · updated 2026-10-04

  The manufacturing geometry of the PinPulse shield (55 × 49 mm), with its five inverters, twenty-two LEDs and every socket and pin strip, packed for the web with textures cut to 2048 px so a phone can open it. Opens in any glTF viewer, and in a browser.

  Used by Nano V3.0 USB-C and PinPulse Shield: Seating the Nano, the LEDs and the First Sketch

• Nano PinPulse Shield, CAD model (STEP)STEPv1.2 · 4.8 MB · updated 2026-10-04

  The same board as an AP214 STEP solid, for fitting an enclosure around it. Zipped because the STEP itself is 29 MB of text; every CAD package opens it.

  Used by Nano V3.0 USB-C and PinPulse Shield: Seating the Nano, the LEDs and the First Sketch

• HotSwap Arcade mainboard, 3D model (GLB)GLBv1.0 · 7.2 MB · updated 2026-09-25

  The mainboard as manufactured, with every socket fitted. Opens in any glTF viewer, and in Blender, Windows 3D Viewer and macOS Quick Look without one.

  Used by HotSwap Arcade Kit: Buttons, Joystick and Coin Acceptor for ESP32-S3, Nano, Pico and Zero 2 W

• HotSwap Arcade mainboard, CAD model (STEP)STEPv1.0 · 5.0 MB · updated 2026-09-25

  The mainboard as a STEP solid, for designing a cabinet or a panel around it. Zipped because a STEP file is plain text and compresses to a fraction of itself.

  Used by HotSwap Arcade Kit: Buttons, Joystick and Coin Acceptor for ESP32-S3, Nano, Pico and Zero 2 W

• HotSwap Arcade ESP32-S3 adapter, CAD model (STEP)STEPv1.0 · 731 KB · updated 2026-09-25

  The ESP32-S3 adapter as a bare 40 × 70 mm board: no headers, which ship loose. For placing the adapter and its development board in a cabinet design.

  Used by HotSwap Arcade Kit: Buttons, Joystick and Coin Acceptor for ESP32-S3, Nano, Pico and Zero 2 W

• HotSwap Arcade Nano adapter, CAD model (STEP)STEPv1.0 · 711 KB · updated 2026-09-25

  The Nano adapter as a bare 40 × 70 mm board: no headers, which ship loose. For placing the adapter and its development board in a cabinet design.

  Used by HotSwap Arcade Kit: Buttons, Joystick and Coin Acceptor for ESP32-S3, Nano, Pico and Zero 2 W

• HotSwap Arcade Pico 1/2 adapter, CAD model (STEP)STEPv1.0 · 1.1 MB · updated 2026-09-25

  The Pico 1/2 adapter as a bare 40 × 70 mm board: no headers, which ship loose. For placing the adapter and its development board in a cabinet design.

  Used by HotSwap Arcade Kit: Buttons, Joystick and Coin Acceptor for ESP32-S3, Nano, Pico and Zero 2 W

• HotSwap Arcade Zero 2 W adapter, CAD model (STEP)STEPv1.0 · 3.1 MB · updated 2026-09-25

  The Zero 2 W adapter as a bare 40 × 70 mm board: no headers, which ship loose. For placing the adapter and its development board in a cabinet design.

  Used by HotSwap Arcade Kit: Buttons, Joystick and Coin Acceptor for ESP32-S3, Nano, Pico and Zero 2 W

Board outlines, mounting holes and part heights, dimensioned in millimetres, for a panel or an enclosure.

• DRV8833, bare board, mechanical drawing (PDF)PDFv2.0.1 · 2.6 MB · updated 2026-09-22

  The board on one A3 sheet: the 22.5 × 27.5 mm outline, the two Ø4.8 mm mounting holes 16 mm apart, the header row, and every part's height, the tallest part a 2.9 mm high capacitor. Outline and holes are from the Gerber files, heights from the STEP model.

• DRV8833, bare board, mechanical drawing (DXF)DXFv2.0.1 · 55 KB · updated 2026-09-22

  The same drawing as DXF, in millimetres, for a laser-cut panel or a CAD sketch. Zipped, because DXF is text and shrinks to a small fraction of itself.

• DRV8833, terminals and header fitted, mechanical drawing (PDF)PDFv2.0.1 · 2.0 MB · updated 2026-09-22

  The board on one A3 sheet: the 22.5 × 27.5 mm outline, the two Ø4.8 mm mounting holes 16 mm apart, the header row, and every part's height, the screw terminals tallest at 11.5 mm above the board bottom, the header pins 1.9 mm below it. Outline and holes are from the Gerber files, heights from the STEP model.

• DRV8833, terminals and header fitted, mechanical drawing (DXF)DXFv2.0.1 · 69 KB · updated 2026-09-22

  The same drawing as DXF, in millimetres, for a laser-cut panel or a CAD sketch. Zipped, because DXF is text and shrinks to a small fraction of itself.

• 0.96 inch LCD board, mechanical drawing (PDF)PDFv1.0 · 2.8 MB · updated 2026-10-14

  The outline, 29.2 × 25.0 mm, with four Ø3.0 mm holes and the height of the tallest part, 10.14 mm, the fitted 8-pin header, above the board. Outline and holes are from the Gerber files, heights from the STEP model.

• 0.96 inch LCD board, mechanical drawing (DXF)DXFv1.0 · 185 KB · updated 2026-10-14

  The same drawing as DXF, in millimetres, for a laser-cut panel or a CAD sketch. Zipped, because DXF is text and shrinks to a small fraction of itself.

• 1.8 inch LCD board, mechanical drawing (PDF)PDFv1.0 · 2.7 MB · updated 2026-10-14

  The outline, 35.0 × 56.7 mm, with four Ø4.8 mm holes and the height of the tallest part, 3.62 mm, the tallest connector, above the board. Outline and holes are from the Gerber files, heights from the STEP model.

• 1.8 inch LCD board, mechanical drawing (DXF)DXFv1.0 · 171 KB · updated 2026-10-14

  The same drawing as DXF, in millimetres, for a laser-cut panel or a CAD sketch. Zipped, because DXF is text and shrinks to a small fraction of itself.

• 2.0 inch LCD board, mechanical drawing (PDF)PDFv1.0 · 2.5 MB · updated 2026-10-14

  The outline, 36.0 × 64.0 mm, with four Ø4.8 mm holes and the height of the tallest part, 3.64 mm, the tallest connector, above the board. Outline and holes are from the Gerber files, heights from the STEP model.

• 2.0 inch LCD board, mechanical drawing (DXF)DXFv1.0 · 174 KB · updated 2026-10-14

  The same drawing as DXF, in millimetres, for a laser-cut panel or a CAD sketch. Zipped, because DXF is text and shrinks to a small fraction of itself.

• 2.4 inch LCD board, mechanical drawing (PDF)PDFv1.0 · 2.6 MB · updated 2026-10-14

  The outline, 44.0 × 75.0 mm, with four Ø4.8 mm holes and the height of the tallest part, 4.13 mm, the 1.0 mm panel socket, above the board. Outline and holes are from the Gerber files, heights from the STEP model.

• 2.4 inch LCD board, mechanical drawing (DXF)DXFv1.0 · 169 KB · updated 2026-10-14

  The same drawing as DXF, in millimetres, for a laser-cut panel or a CAD sketch. Zipped, because DXF is text and shrinks to a small fraction of itself.

• 2.8 inch LCD board, mechanical drawing (PDF)PDFv1.1 · 2.6 MB · updated 2026-10-14

  The outline, 48.6 × 79.8 mm, with four Ø4.8 mm holes and the height of the tallest part, 3.62 mm, the tallest connector, above the board. Outline and holes are from the Gerber files, heights from the STEP model.

• 2.8 inch LCD board, mechanical drawing (DXF)DXFv1.1 · 165 KB · updated 2026-10-14

  The same drawing as DXF, in millimetres, for a laser-cut panel or a CAD sketch. Zipped, because DXF is text and shrinks to a small fraction of itself.

• 3.5 inch LCD board, mechanical drawing (PDF)PDFv1.0 · 2.4 MB · updated 2026-10-14

  The outline, 54.6 × 95.6 mm, with four Ø4.8 mm holes and the height of the tallest part, 3.62 mm, the tallest connector, above the board. Outline and holes are from the Gerber files, heights from the STEP model.

• 3.5 inch LCD board, mechanical drawing (DXF)DXFv1.0 · 166 KB · updated 2026-10-14

  The same drawing as DXF, in millimetres, for a laser-cut panel or a CAD sketch. Zipped, because DXF is text and shrinks to a small fraction of itself.

• USB-C breakout, mechanical drawing (PDF)PDFv1.0 · 2.6 MB · updated 2026-09-24

  The board on one A3 sheet: the 19.0 × 24.0 mm outline, the two Ø4.8 mm mounting holes 16 mm apart, the six-hole header row, and every part's height, the tallest the USB-C socket at 3.26 mm above the board. Outline and holes are from the Gerber files, heights from the STEP model.

  Used by USB-C Breakout Board with 5.1 kΩ CC Resistors

• USB-C breakout, mechanical drawing (DXF)DXFv1.0 · 29 KB · updated 2026-09-24

  The same drawing as DXF, in millimetres, for a laser-cut panel or a CAD sketch. Zipped, because DXF is text and shrinks to a small fraction of itself.

  Used by USB-C Breakout Board with 5.1 kΩ CC Resistors

• SD Card Reader, mechanical drawing (PDF)PDFv2.0 · 2.5 MB · updated 2026-09-16

  The full-size reader on one A3 sheet: the 30 × 40 mm outline, the two Ø4.8 mm mounting holes 24 mm apart, the header row, and every part's height above the board. Outline and holes are from the Gerber files, heights from the STEP model.

  Used by SD and microSD Card Readers for ESP32: SPI, 1-bit and 4-bit

• SD Card Reader, mechanical drawing (DXF)DXFv2.0 · 58 KB · updated 2026-09-16

  The same drawing as DXF, in millimetres, for a laser-cut panel or a CAD sketch. Zipped, because DXF is text and shrinks to a small fraction of itself.

  Used by SD and microSD Card Readers for ESP32: SPI, 1-bit and 4-bit

• Rotary Encoder, mechanical drawing (PDF)PDFv1.0 · 1.8 MB · updated 2026-09-18

  The block on one A3 sheet: the 22.4 × 30.4 mm outline, the two Ø4.8 mm mounting holes 16 mm apart, the header row, and every part's height above the board, 15.43 mm to the top of the knob. Outline and holes are from the Gerber files, heights from the STEP model.

  Used by Rotary Encoder

• Rotary Encoder, mechanical drawing (DXF)DXFv1.0 · 216 KB · updated 2026-09-18

  The same drawing as DXF, in millimetres, for a laser-cut panel or a CAD sketch. Zipped, because DXF is text and shrinks to a small fraction of itself.

  Used by Rotary Encoder

• Disc Potentiometer, mechanical drawing (PDF)PDFv1.0 · 2.2 MB · updated 2026-09-18

  The block on one A3 sheet: the 22.4 × 30.4 mm outline, the two Ø4.8 mm mounting holes 16 mm apart, the header row, and every part's height above the board, with the thumbwheel overhanging the top edge by 3.9 mm. Outline and holes are from the Gerber files, heights from the STEP model.

  Used by Disc Potentiometer

• Disc Potentiometer, mechanical drawing (DXF)DXFv1.0 · 152 KB · updated 2026-09-18

  The same drawing as DXF, in millimetres, for a laser-cut panel or a CAD sketch. Zipped, because DXF is text and shrinks to a small fraction of itself.

  Used by Disc Potentiometer

• Rotary Potentiometer, mechanical drawing (PDF)PDFv1.0 · 1.5 MB · updated 2026-09-18

  The block on one A3 sheet: the 22.4 × 30.4 mm outline, the two Ø4.8 mm mounting holes 16 mm apart, the header row, and every part's height above the board, 15.43 mm to the top of the knob. Outline and holes are from the Gerber files, heights from the STEP model.

  Used by Rotary Potentiometer

• Rotary Potentiometer, mechanical drawing (DXF)DXFv1.0 · 78 KB · updated 2026-09-18

  The same drawing as DXF, in millimetres, for a laser-cut panel or a CAD sketch. Zipped, because DXF is text and shrinks to a small fraction of itself.

  Used by Rotary Potentiometer

• Voltmeter, mechanical drawing (PDF)PDFv1.0 · 2.2 MB · updated 2026-09-18

  The block on one A3 sheet: the 22.4 × 30.4 mm outline, the two Ø4.8 mm mounting holes 16 mm apart, the header row, and every part's height above the board, 10.9 mm to the top of the screw terminal. Outline and holes are from the Gerber files, heights from the STEP model.

  Used by Voltmeter

• Voltmeter, mechanical drawing (DXF)DXFv1.0 · 28 KB · updated 2026-09-18

  The same drawing as DXF, in millimetres, for a laser-cut panel or a CAD sketch. Zipped, because DXF is text and shrinks to a small fraction of itself.

  Used by Voltmeter

• NTC Thermistor, mechanical drawing (PDF)PDFv1.0 · 2.2 MB · updated 2026-09-18

  The block on one A3 sheet: the 22.4 × 30.4 mm outline, the two Ø4.8 mm mounting holes 16 mm apart, the header row, and every part's height above the board. Outline and holes are from the Gerber files, heights from the STEP model.

  Used by NTC Thermistor

• NTC Thermistor, mechanical drawing (DXF)DXFv1.0 · 27 KB · updated 2026-09-18

  The same drawing as DXF, in millimetres, for a laser-cut panel or a CAD sketch. Zipped, because DXF is text and shrinks to a small fraction of itself.

  Used by NTC Thermistor

• IR Receiver, mechanical drawing (PDF)PDFv1.0.1 · 2.3 MB · updated 2026-09-19

  The block on one A3 sheet: the 22.4 × 30.4 mm outline, the two Ø4.8 mm mounting holes 16 mm apart, the header row, and every part's height above the board. Outline and holes are from the Gerber files, heights from the STEP model.

  Used by IR Receiver

• IR Receiver, mechanical drawing (DXF)DXFv1.0.1 · 55 KB · updated 2026-09-19

  The same drawing as DXF, in millimetres, for a laser-cut panel or a CAD sketch. Zipped, because DXF is text and shrinks to a small fraction of itself.

  Used by IR Receiver

• IR Sender, mechanical drawing (PDF)PDFv1.0 · 2.2 MB · updated 2026-09-19

  The block on one A3 sheet: the 22.4 × 30.4 mm outline, the two Ø4.8 mm mounting holes 16 mm apart, the header row, and every part's height above the board. Outline and holes are from the Gerber files, heights from the STEP model.

  Used by IR Sender

• IR Sender, mechanical drawing (DXF)DXFv1.0 · 55 KB · updated 2026-09-19

  The same drawing as DXF, in millimetres, for a laser-cut panel or a CAD sketch. Zipped, because DXF is text and shrinks to a small fraction of itself.

  Used by IR Sender

• Collision Sensor, mechanical drawing (PDF)PDFv1.0 · 2.0 MB · updated 2026-09-19

  The block on one A3 sheet: the 22.4 × 30.4 mm outline, the two Ø4.8 mm mounting holes 16 mm apart, the header row, and every part's height above the board. Outline and holes are from the Gerber files, heights from the STEP model.

  Used by Collision Sensor

• Collision Sensor, mechanical drawing (DXF)DXFv1.0 · 37 KB · updated 2026-09-19

  The same drawing as DXF, in millimetres, for a laser-cut panel or a CAD sketch. Zipped, because DXF is text and shrinks to a small fraction of itself.

  Used by Collision Sensor

• Hall Effect Sensor, mechanical drawing (PDF)PDFv1.0 · 2.3 MB · updated 2026-09-19

  The block on one A3 sheet: the 22.4 × 30.4 mm outline, the two Ø4.8 mm mounting holes 16 mm apart, the header row, and every part's height above the board. Outline and holes are from the Gerber files, heights from the STEP model.

  Used by Hall Effect Sensor

• Hall Effect Sensor, mechanical drawing (DXF)DXFv1.0 · 36 KB · updated 2026-09-19

  The same drawing as DXF, in millimetres, for a laser-cut panel or a CAD sketch. Zipped, because DXF is text and shrinks to a small fraction of itself.

  Used by Hall Effect Sensor

• 4-Direction Tilt Sensor, mechanical drawing (PDF)PDFv1.0 · 2.2 MB · updated 2026-09-19

  The block on one A3 sheet: the 22.4 × 30.4 mm outline, the two Ø4.8 mm mounting holes 16 mm apart, the six-pin header row, the 10 mm tilt switch, and every part's height above the board. Outline and holes are from the Gerber files, heights from the STEP model.

  Used by 4-Direction Tilt Sensor

• 4-Direction Tilt Sensor, mechanical drawing (DXF)DXFv1.0 · 40 KB · updated 2026-09-19

  The same drawing as DXF, in millimetres, for a laser-cut panel or a CAD sketch. Zipped, because DXF is text and shrinks to a small fraction of itself.

  Used by 4-Direction Tilt Sensor

• Ambient Light Sensor, mechanical drawing (PDF)PDFv1.0 · 2.2 MB · updated 2026-09-19

  The block on one A3 sheet: the 22.4 × 30.4 mm outline, the two Ø4.8 mm mounting holes 16 mm apart, the header row, and every part's height above the board. Outline and holes are from the Gerber files, heights from the STEP model.

  Used by Ambient Light Sensor

• Ambient Light Sensor, mechanical drawing (DXF)DXFv1.0 · 27 KB · updated 2026-09-19

  The same drawing as DXF, in millimetres, for a laser-cut panel or a CAD sketch. Zipped, because DXF is text and shrinks to a small fraction of itself.

  Used by Ambient Light Sensor

• Slim Joystick, mechanical drawing (PDF)PDFv1.0 · 2.0 MB · updated 2026-09-19

  The block on one A3 sheet: the 62.4 × 30.4 mm outline, the four Ø4.8 mm mounting holes 56 × 24 mm apart, the header row, and every part's height above the board, the joystick's cap tallest at 13.55 mm. Outline and holes are from the Gerber files, heights from the STEP model.

  Used by Slim Joystick

• Slim Joystick, mechanical drawing (DXF)DXFv1.0 · 80 KB · updated 2026-09-19

  The same drawing as DXF, in millimetres, for a laser-cut panel or a CAD sketch. Zipped, because DXF is text and shrinks to a small fraction of itself.

  Used by Slim Joystick

• Dual Axis Joystick, mechanical drawing (PDF)PDFv1.0 · 1.9 MB · updated 2026-09-19

  The block on one A3 sheet: the 31.0 × 31.0 mm outline, the four Ø4.8 mm corner mounting holes, the six-pin header row, and every part's height above the board, the joystick's cap tallest at 28.75 mm. Outline and holes are from the Gerber files, heights from the STEP model.

  Used by Dual Axis Joystick

• Dual Axis Joystick, mechanical drawing (DXF)DXFv1.0 · 40 KB · updated 2026-09-19

  The same drawing as DXF, in millimetres, for a laser-cut panel or a CAD sketch. Zipped, because DXF is text and shrinks to a small fraction of itself.

  Used by Dual Axis Joystick

• Analog Microphone, mechanical drawing (PDF)PDFv1.0 · 2.4 MB · updated 2026-09-19

  The block on one A3 sheet: the 22.4 × 30.4 mm outline, the two Ø4.8 mm mounting holes 16 mm apart, the header row, and every part's height above the board, the microphone capsule tallest. Outline and holes are from the Gerber files, heights from the STEP model.

  Used by Analog Microphone

• Analog Microphone, mechanical drawing (DXF)DXFv1.0 · 52 KB · updated 2026-09-19

  The same drawing as DXF, in millimetres, for a laser-cut panel or a CAD sketch. Zipped, because DXF is text and shrinks to a small fraction of itself.

  Used by Analog Microphone

• Knock Sensor, mechanical drawing (PDF)PDFv1.0 · 2.1 MB · updated 2026-09-19

  The block on one A3 sheet: the 22.4 × 30.4 mm outline, the two Ø4.8 mm mounting holes 16 mm apart, the header row, and every part's height above the board, the spring switch tallest at 5.6 mm. Outline and holes are from the Gerber files, heights from the STEP model.

  Used by Knock Sensor

• Knock Sensor, mechanical drawing (DXF)DXFv1.0 · 32 KB · updated 2026-09-19

  The same drawing as DXF, in millimetres, for a laser-cut panel or a CAD sketch. Zipped, because DXF is text and shrinks to a small fraction of itself.

  Used by Knock Sensor

• Analog to Digital Signal, mechanical drawing (PDF)PDFv1.0 · 2.1 MB · updated 2026-09-19

  The block on one A3 sheet: the 22.4 × 30.4 mm outline, the two Ø4.8 mm mounting holes 16 mm apart, the IN socket and OUT header rows, and every part's height above the board, the slide switch tallest. Outline and holes are from the Gerber files, heights from the STEP model.

  Used by Analog to Digital Signal

• Analog to Digital Signal, mechanical drawing (DXF)DXFv1.0 · 47 KB · updated 2026-09-19

  The same drawing as DXF, in millimetres, for a laser-cut panel or a CAD sketch. Zipped, because DXF is text and shrinks to a small fraction of itself.

  Used by Analog to Digital Signal

• Door Sensor, mechanical drawing (PDF)PDFv1.0 · 2.4 MB · updated 2026-10-12

  The block on one A3 sheet: the 22.4 × 30.4 mm outline, the two Ø4.8 mm mounting holes 16 mm apart, the header row, and every part's height above the board, 9.9 mm to the top of the screw terminal. Outline and holes are from the Gerber files, heights from the STEP model.

  Used by Door Sensor

• Door Sensor, mechanical drawing (DXF)DXFv1.0 · 146 KB · updated 2026-10-12

  The same drawing as DXF, in millimetres, for a laser-cut panel or a CAD sketch. Zipped, because DXF is text and shrinks to a small fraction of itself.

  Used by Door Sensor

• Five-Direction Joystick, mechanical drawing (PDF)PDFv1.0 · 2.2 MB · updated 2026-09-26

  The block on one A3 sheet: the 22.4 × 30.4 mm outline, the two Ø4.8 mm mounting holes 16 mm apart, the header row, and the height, 12.8 mm from the bottom of the board to the top of the cap. Outline and holes are from the Gerber files, heights from the STEP model.

  Used by Five-Direction Joystick

• Five-Direction Joystick, mechanical drawing (DXF)DXFv1.0 · 139 KB · updated 2026-09-26

  The same drawing as DXF, in millimetres, for a laser-cut panel or a CAD sketch. Zipped, because DXF is text and shrinks to a small fraction of itself.

  Used by Five-Direction Joystick

• Mechanical Key and LED, mechanical drawing (PDF)PDFv1.0 · 2.1 MB · updated 2026-09-26

  The block on one A3 sheet: the 22.4 × 30.4 mm outline, the switch's Ø3.99 mm post hole, the two Ø4.8 mm mounting holes 16 mm apart, the header row, and the height, 24.06 mm from the bottom of the board to the top of the keycap. Outline and holes are from the Gerber files, heights from the STEP model.

  Used by Mechanical Key and LED

• Mechanical Key and LED, mechanical drawing (DXF)DXFv1.0 · 47 KB · updated 2026-09-26

  The same drawing as DXF, in millimetres, for a laser-cut panel or a CAD sketch. Zipped, because DXF is text and shrinks to a small fraction of itself.

  Used by Mechanical Key and LED

• 3-Axis Accelerometer, mechanical drawing (PDF)PDFv1.0 · 2.4 MB · updated 2026-09-27

  The block on one sheet: the 22.4 × 30.4 mm outline, the two Ø4.8 mm mounting holes 16 mm apart, the header row, and the height, 5.94 mm from the bottom of the board to the top of the header, with the pins 1.4 mm through underneath. Outline and holes are from the Gerber files, heights from the STEP model.

  Used by 3-Axis Accelerometer

• 3-Axis Accelerometer, mechanical drawing (DXF)DXFv1.0 · 144 KB · updated 2026-09-27

  The same drawing as DXF, in millimetres, for a laser-cut panel or a CAD sketch. Zipped, because DXF is text and shrinks to a small fraction of itself.

  Used by 3-Axis Accelerometer

• SHT31 Temperature and Humidity Sensor, mechanical drawing (PDF)PDFv1.0 · 2.3 MB · updated 2026-09-26

  The block on one A3 sheet: the 22.4 × 30.4 mm outline with the slot round the sensor, the two Ø4.8 mm mounting holes 16 mm apart, the header row, and the height, 5.94 mm from the bottom of the board to the top of the header, with the pins 1.4 mm through underneath. Outline and holes are from the Gerber files, heights from the STEP model.

  Used by SHT31 Temperature and Humidity Sensor

• SHT31 Temperature and Humidity Sensor, mechanical drawing (DXF)DXFv1.0 · 33 KB · updated 2026-09-26

  The same drawing as DXF, in millimetres, for a laser-cut panel or a CAD sketch. Zipped, because DXF is text and shrinks to a small fraction of itself.

  Used by SHT31 Temperature and Humidity Sensor

• Logic Level Converter, mechanical drawing (PDF)PDFv1.0 · 2.4 MB · updated 2026-09-26

  The block on one A3 sheet: the 22.4 × 30.4 mm outline, the two Ø4.8 mm mounting holes 24 mm apart along the long axis, the two rows of eight at 2.54 mm, 14.56 mm apart, and the socket and the header's pins each reaching about 6.1 mm past their edges. Outline and holes are from the Gerber files, heights from the STEP model.

  Used by Logic Level Converter

• Logic Level Converter, mechanical drawing (DXF)DXFv1.0 · 76 KB · updated 2026-09-26

  The same drawing as DXF, in millimetres, for a laser-cut panel or a CAD sketch. Zipped, because DXF is text and shrinks to a small fraction of itself.

  Used by Logic Level Converter

• Vibration Motor, mechanical drawing (PDF)PDFv1.0 · 2.4 MB · updated 2026-09-19

  The block on one A3 sheet: the 22.4 × 30.4 mm outline, the two Ø4.8 mm mounting holes 16 mm apart, the header row, and every part's height above the board, the coin motor lying flat. Outline and holes are from the Gerber files, heights from the STEP model.

  Used by Vibration Motor

• Vibration Motor, mechanical drawing (DXF)DXFv1.0 · 68 KB · updated 2026-09-19

  The same drawing as DXF, in millimetres, for a laser-cut panel or a CAD sketch. Zipped, because DXF is text and shrinks to a small fraction of itself.

  Used by Vibration Motor

• EEPROM Memory, mechanical drawing (PDF)PDFv1.0 · 2.2 MB · updated 2026-09-24

  The block on one A3 sheet: the 22.4 × 30.4 mm outline, the two Ø4.8 mm mounting holes 16 mm apart, the header row 5.5 mm from the bottom edge, and the height of the tallest part, the header, 4.34 mm above the board. Outline and holes are from the Gerber files, heights from the STEP model.

  Used by EEPROM Memory

• EEPROM Memory, mechanical drawing (DXF)DXFv1.0 · 32 KB · updated 2026-09-24

  The same drawing as DXF, in millimetres, for a laser-cut panel or a CAD sketch. Zipped, because DXF is text and shrinks to a small fraction of itself.

  Used by EEPROM Memory

• RS485 board, MAX485 5 V, mechanical drawing (PDF)PDFv1.0 · 2.2 MB · updated 2026-09-24

  The board on one sheet: the 15.76 × 24.42 mm outline, the six-hole row on a 2.54 mm pitch 1.25 mm from the bottom edge, the three-way terminal on a 5.0 mm pitch, and the tallest part, the terminal, 11.50 mm from the underside. Outline and holes from the Gerber files, heights from the STEP model.

  Used by RS485 Transceiver Boards: MAX485 for 5 V and MAX3485 for 3.3 V

• RS485 board, MAX485 5 V, mechanical drawing (DXF)DXFv1.0 · 50 KB · updated 2026-09-24

  The same drawing as DXF, in millimetres, for a laser-cut panel or a CAD sketch. Zipped, because DXF is text and shrinks to a small fraction of itself.

  Used by RS485 Transceiver Boards: MAX485 for 5 V and MAX3485 for 3.3 V

• RS485 board, MAX3485 3.3 V, mechanical drawing (PDF)PDFv1.0 · 2.2 MB · updated 2026-09-24

  The board on one sheet: the 15.76 × 24.42 mm outline, the six-hole row on a 2.54 mm pitch 1.25 mm from the bottom edge, the three-way terminal on a 5.0 mm pitch, and the tallest part, the terminal, 11.50 mm from the underside. Outline and holes from the Gerber files, heights from the STEP model.

  Used by RS485 Transceiver Boards: MAX485 for 5 V and MAX3485 for 3.3 V

• RS485 board, MAX3485 3.3 V, mechanical drawing (DXF)DXFv1.0 · 50 KB · updated 2026-09-24

  The same drawing as DXF, in millimetres, for a laser-cut panel or a CAD sketch. Zipped, because DXF is text and shrinks to a small fraction of itself.

  Used by RS485 Transceiver Boards: MAX485 for 5 V and MAX3485 for 3.3 V

• PCA9685 servo driver, mechanical drawing (PDF)PDFv1.0 · 2.0 MB · updated 2026-09-27

  The board on one sheet: the 64.00 × 32.00 mm outline, four Ø4.80 mm unplated holes 4.00 mm in from each edge on a 56 × 24 mm pitch, the headers on 2.54 mm, and the tallest part, the 1000 µF capacitor, 13.61 mm from the underside. Outline and holes from the Gerber files, heights from the STEP model.

  Used by PCA9685 16-Channel Servo Driver: Sixteen Servos on Two I²C Wires

• PCA9685 servo driver, mechanical drawing (DXF)DXFv1.0 · 243 KB · updated 2026-09-27

  The same drawing as DXF, in millimetres, for a laser-cut mounting plate or a CAD sketch. Zipped, because DXF is text and shrinks to a small fraction of itself.

  Used by PCA9685 16-Channel Servo Driver: Sixteen Servos on Two I²C Wires

• Breadboard Power Adapter, Standard, mechanical drawing (PDF)PDFv5.0 · 1.5 MB · updated 2026-09-24

  The board on one A3 sheet: the 53.34 × 16.36 mm outline, the two 2 × 3 pin blocks on a 2.54 mm pitch with their inner columns 42.52 mm apart, the pins reaching 7.90 mm below the board, and the height of the tallest part, the two slide switches, 3.50 mm above the board. Outline and holes are from the Gerber files, heights from the STEP model.

  Used by Breadboard Power Adapters: Standard 5 V / 3.3 V, Step-Down and Booster

• Breadboard Power Adapter, Standard, mechanical drawing (DXF)DXFv5.0 · 86 KB · updated 2026-09-24

  The same drawing as DXF, in millimetres, for a laser-cut panel or a CAD sketch. Zipped, because DXF is text and shrinks to a small fraction of itself.

  Used by Breadboard Power Adapters: Standard 5 V / 3.3 V, Step-Down and Booster

• PDFBreadboard Power Adapter, Step-Down, mechanical drawing (PDF)PDFv4.0 · 1.4 MB · updated 2026-09-24

  The board on one A3 sheet: the 53.34 × 16.36 mm outline, the two 2 × 3 pin blocks on a 2.54 mm pitch with their inner columns 42.52 mm apart, the pins reaching 7.90 mm below the board, and the height of the tallest part, the USB-C socket, 3.24 mm above the board. Outline and holes are from the Gerber files, heights from the STEP model.

• DXFBreadboard Power Adapter, Step-Down, mechanical drawing (DXF)DXFv4.0 · 107 KB · updated 2026-09-24

  The same drawing as DXF, in millimetres, for a laser-cut panel or a CAD sketch. Zipped, because DXF is text and shrinks to a small fraction of itself.

• PDFBreadboard Power Adapter, Booster, mechanical drawing (PDF)PDFv1.0 · 1.4 MB · updated 2026-09-24

  The board on one A3 sheet: the 53.34 × 16.36 mm outline, the two 2 × 3 pin blocks on a 2.54 mm pitch with their inner columns 42.52 mm apart, the pins reaching 7.90 mm below the board, and the height of the tallest parts, the two 22 µH inductors, 4.01 mm above the board. Outline and holes are from the Gerber files, heights from the STEP model.

• DXFBreadboard Power Adapter, Booster, mechanical drawing (DXF)DXFv1.0 · 121 KB · updated 2026-09-24

  The same drawing as DXF, in millimetres, for a laser-cut panel or a CAD sketch. Zipped, because DXF is text and shrinks to a small fraction of itself.

• Push Button, mechanical drawing (PDF)PDFv1.0 · 2.2 MB · updated 2026-09-18

  The block on one A3 sheet: the 22.4 × 30.4 mm outline, the two Ø4.8 mm mounting holes 16 mm apart, the four-pin header row, and every part's height, 14.35 mm to the top of the cap. Outline and holes are from the Gerber files, heights from the STEP model.

  Used by Push Button

• Push Button, mechanical drawing (DXF)DXFv1.0 · 50 KB · updated 2026-09-18

  The same drawing as DXF, in millimetres, for a laser-cut panel or a CAD sketch. Zipped, because DXF is text and shrinks to a small fraction of itself.

  Used by Push Button

• Latching Button, mechanical drawing (PDF)PDFv1.0 · 2.2 MB · updated 2026-09-18

  The block on one A3 sheet: the 22.4 × 30.4 mm outline, the two Ø4.8 mm mounting holes 16 mm apart, the switch's two pins 13 mm apart, the four-pin header row, and every part's height, 10.6 mm to the top of the switch. Outline and holes are from the Gerber files, heights from the STEP model.

  Used by Latching Button

• Latching Button, mechanical drawing (DXF)DXFv1.0 · 32 KB · updated 2026-09-18

  The same drawing as DXF, in millimetres, for a laser-cut panel or a CAD sketch. Zipped, because DXF is text and shrinks to a small fraction of itself.

  Used by Latching Button

• RGB LED, mechanical drawing (PDF)PDFv1.0 · 2.3 MB · updated 2026-09-18

  The block on one A3 sheet: the 22.4 × 30.4 mm outline, the two Ø4.8 mm mounting holes 16 mm apart, the six-pin header row, and every part's height above the board. Outline and holes are from the Gerber files, heights from the STEP model.

  Used by RGB LED

• RGB LED, mechanical drawing (DXF)DXFv1.0 · 37 KB · updated 2026-09-18

  The same drawing as DXF, in millimetres, for a laser-cut panel or a CAD sketch. Zipped, because DXF is text and shrinks to a small fraction of itself.

  Used by RGB LED

• Traffic Light, mechanical drawing (PDF)PDFv1.0 · 2.3 MB · updated 2026-09-18

  The block on one A3 sheet: the 22.4 × 30.4 mm outline, the two Ø4.8 mm mounting holes 16 mm apart, the six-pin header row, and every part's height above the board. Outline and holes are from the Gerber files, heights from the STEP model.

  Used by Traffic Light

• Traffic Light, mechanical drawing (DXF)DXFv1.0 · 34 KB · updated 2026-09-18

  The same drawing as DXF, in millimetres, for a laser-cut panel or a CAD sketch. Zipped, because DXF is text and shrinks to a small fraction of itself.

  Used by Traffic Light

• XL LED, mechanical drawing (PDF)PDFv1.0 · 2.4 MB · updated 2026-09-18

  The block on one A3 sheet: the 22.4 × 30.4 mm outline, the two Ø4.8 mm mounting holes 16 mm apart, the header row, and the LED's 12.5 mm height above the board. Outline and holes are from the Gerber files, heights from the STEP model.

  Used by XL LED

• XL LED, mechanical drawing (DXF)DXFv1.0 · 40 KB · updated 2026-09-18

  The same drawing as DXF, in millimetres, for a laser-cut panel with a 10 mm hole for the lens, or a CAD sketch. Zipped, because DXF is text and shrinks to a small fraction of itself.

  Used by XL LED

• ESP32-S3 PinPulse Shield, mechanical drawing (DXF)DXFv4.0 · 219 KB · updated 2026-09-17

  The dimensioned drawing as DXF, in millimetres: the 61 × 73 mm outline, the four Ø4.7 mm mounting holes and the header positions, for a laser-cut panel or a CAD sketch. Zipped, because DXF is text and shrinks to a fifteenth of itself.

  Used by ESP32-S3 Expansion Bases: 2.54 mm, PinPulse, Pluggable Terminal and Screw Terminal

• ESP32-S3 PinPulse Shield, mechanical drawing (PDF)PDFv4.0 · 3.3 MB · updated 2026-09-17

  The same drawing on one A3 sheet, with a hole table and every part's height above the board. Outline and holes are from the Gerber files, heights from the STEP model.

  Used by ESP32-S3 Expansion Bases: 2.54 mm, PinPulse, Pluggable Terminal and Screw Terminal, ESP32-S3 PinPulse Shield pinout

• ESP32-S3 Expansion Base, mechanical drawing (DXF)DXFv1.5 · 191 KB · updated 2026-10-01

  The dimensioned drawing as DXF, in millimetres: the 48 × 72 mm outline, the four Ø4.8 mm mounting holes and the connector positions, for a laser-cut panel or a CAD sketch. Zipped, because DXF is text.

  Used by ESP32-S3 Expansion Bases: 2.54 mm, PinPulse, Pluggable Terminal and Screw Terminal

• ESP32-S3 Expansion Base, mechanical drawing (PDF)PDFv1.5 · 2.7 MB · updated 2026-10-01

  The same drawing on one sheet, with a hole table and every part's height above the board. Outline and holes are from the Gerber files, heights from the STEP model.

  Used by ESP32-S3 Expansion Base pinout, ESP32-S3 Expansion Bases: 2.54 mm, PinPulse, Pluggable Terminal and Screw Terminal

• ESP32-C3 OLED Expansion Base, mechanical drawing (DXF)DXFv1.0.1 · 190 KB · updated 2026-10-03

  The dimensioned drawing as DXF, in millimetres: the 39.5 × 32.5 mm outline, the two 4.8 mm mounting holes 16 mm apart and the header positions, for a laser-cut panel or a CAD sketch. Zipped, because DXF is text.

  Used by ESP32-C3 OLED Board and Its Three Bases: Expansion, Pluggable Terminal and Screw Terminal

• ESP32-C3 OLED Expansion Base, mechanical drawing (PDF)PDFv1.0.1 · 2.9 MB · updated 2026-10-03

  The same drawing on one sheet, with a hole table and every part's height above the board. Outline and holes are from the Gerber files, heights from the STEP model.

  Used by ESP32-C3 OLED Board and Its Three Bases: Expansion, Pluggable Terminal and Screw Terminal

• ESP32-C3 OLED Pluggable Terminal Base, mechanical drawing (DXF)DXFv1.0.1 · 211 KB · updated 2026-10-03

  The dimensioned drawing as DXF, in millimetres: the 53.1 × 32.5 mm outline, the two 4.8 mm mounting holes 16 mm apart and the terminal positions, for a laser-cut panel or a CAD sketch. Zipped, because DXF is text.

  Used by ESP32-C3 OLED Board and Its Three Bases: Expansion, Pluggable Terminal and Screw Terminal

• ESP32-C3 OLED Pluggable Terminal Base, mechanical drawing (PDF)PDFv1.0.1 · 2.5 MB · updated 2026-10-03

  The same drawing on one sheet, with a hole table and every part's height above the board. Outline and holes are from the Gerber files, heights from the STEP model.

  Used by ESP32-C3 OLED Board and Its Three Bases: Expansion, Pluggable Terminal and Screw Terminal

• ESP32-C3 OLED Screw Terminal Base, mechanical drawing (DXF)DXFv1.0.1 · 204 KB · updated 2026-10-03

  The dimensioned drawing as DXF, in millimetres: the 44.5 × 32.5 mm outline, the two Ø4.8 mm mounting holes and the connector positions, for a laser-cut panel or a CAD sketch. Zipped, because DXF is text.

  Used by ESP32-C3 OLED Board and Its Three Bases: Expansion, Pluggable Terminal and Screw Terminal

• ESP32-C3 OLED Screw Terminal Base, mechanical drawing (PDF)PDFv1.0.1 · 2.8 MB · updated 2026-10-03

  The same drawing on one sheet, with a hole table and every part's height above the board. Outline and holes are from the Gerber files, heights from the STEP model.

  Used by ESP32-C3 OLED Board and Its Three Bases: Expansion, Pluggable Terminal and Screw Terminal

• ESP32-S3 Pluggable Terminal Base, mechanical drawing (DXF)DXFv2.0 · 204 KB · updated 2026-10-01

  The dimensioned drawing as DXF, in millimetres: the 64 × 72 mm outline, the four Ø4.8 mm mounting holes and the connector positions, for a laser-cut panel or a CAD sketch. Zipped, because DXF is text.

  Used by ESP32-S3 Expansion Bases: 2.54 mm, PinPulse, Pluggable Terminal and Screw Terminal

• ESP32-S3 Pluggable Terminal Base, mechanical drawing (PDF)PDFv2.0 · 3.4 MB · updated 2026-10-01

  The same drawing on one sheet, with a hole table and every part's height above the board. Outline and holes are from the Gerber files, heights from the STEP model.

  Used by ESP32-S3 Pluggable Terminal Base pinout, ESP32-S3 Expansion Bases: 2.54 mm, PinPulse, Pluggable Terminal and Screw Terminal

• ESP32-S3 Screw Terminal Base, mechanical drawing (DXF)DXFv4.0 · 196 KB · updated 2026-10-01

  The dimensioned drawing as DXF, in millimetres: the 56 × 72 mm outline, the four Ø4.8 mm mounting holes and the connector positions, for a laser-cut panel or a CAD sketch. Zipped, because DXF is text.

  Used by ESP32-S3 Expansion Bases: 2.54 mm, PinPulse, Pluggable Terminal and Screw Terminal

• ESP32-S3 Screw Terminal Base, mechanical drawing (PDF)PDFv4.0 · 3.0 MB · updated 2026-10-01

  The same drawing on one sheet, with a hole table and every part's height above the board. Outline and holes are from the Gerber files, heights from the STEP model.

  Used by ESP32-S3 Screw Terminal Base pinout, ESP32-S3 Expansion Bases: 2.54 mm, PinPulse, Pluggable Terminal and Screw Terminal

• ESP32 Gold Edition without headers, mechanical drawing (DXF)DXFv1.0 · 110 KB · updated 2026-09-18

  The dimensioned drawing as DXF, in millimetres: the 48.20 x 27.90 mm outline and the two rows of 19 header holes, 25.40 mm apart on a 2.54 mm pitch, for a laser-cut panel or a CAD sketch. Zipped, because DXF is text.

• ESP32 Gold Edition without headers, mechanical drawing (PDF)PDFv1.0 · 2.4 MB · updated 2026-09-18

  The same drawing on one A3 sheet, with a hole table and the part heights. Outline and holes are from the Gerber files, heights from the STEP model. The tallest part stands 4.88 mm above the underside of the board, so it lies flat on a panel.

• ESP32 Gold Edition with headers fitted, mechanical drawing (DXF)DXFv1.0 · 117 KB · updated 2026-09-18

  The dimensioned drawing as DXF, in millimetres: the 48.20 x 27.90 mm outline and the two rows of 19 header holes, 25.40 mm apart on a 2.54 mm pitch, for a laser-cut panel or a CAD sketch. Zipped, because DXF is text.

• ESP32 Gold Edition with headers fitted, mechanical drawing (PDF)PDFv1.0 · 2.3 MB · updated 2026-09-18

  The same drawing on one A3 sheet, with a hole table and the part heights. Outline and holes are from the Gerber files, heights from the STEP model. The pins reach 8.40 mm below the board, which is the depth a socket or a breadboard has to take.

• DXFESP32-S3 Gold Edition without headers, mechanical drawing (DXF)DXFv1.6 · 183 KB · updated 2026-09-18

  The dimensioned drawing as DXF, in millimetres: the 62.74 x 25.40 mm outline and the two rows of 22 header holes, 22.86 mm apart on a 2.54 mm pitch, for a laser-cut panel or a CAD sketch. Zipped, because DXF is text.

• PDFESP32-S3 Gold Edition without headers, mechanical drawing (PDF)PDFv1.6 · 2.1 MB · updated 2026-09-18

  The same drawing on one A3 sheet, with a hole table and the part heights. Outline and holes are from the Gerber files, heights from the STEP model. The tallest part stands 4.88 mm above the underside of the board, so it lies flat on a panel.

• DXFESP32-S3 Gold Edition with headers fitted, mechanical drawing (DXF)DXFv1.6 · 181 KB · updated 2026-09-18

  The dimensioned drawing as DXF, in millimetres: the 62.74 x 25.40 mm outline and the two rows of 22 header holes, 22.86 mm apart on a 2.54 mm pitch, for a laser-cut panel or a CAD sketch. Zipped, because DXF is text.

• PDFESP32-S3 Gold Edition with headers fitted, mechanical drawing (PDF)PDFv1.6 · 2.1 MB · updated 2026-09-18

  The same drawing on one A3 sheet, with a hole table and the part heights. Outline and holes are from the Gerber files, heights from the STEP model. The pins reach 7.90 mm below the board, which is the depth a socket or a breadboard has to take.

• Nano V3.0 USB-C, mechanical drawing (DXF)DXFv1.2 · 239 KB · updated 2026-10-04

  The dimensioned drawing as DXF, in millimetres: the 43.2 × 18 mm outline, the mounting holes and the 2.54 mm pin rows 15.24 mm apart. Zipped, because DXF is text.

  Used by Nano V3.0 USB-C and PinPulse Shield: Seating the Nano, the LEDs and the First Sketch

• Nano V3.0 USB-C, mechanical drawing (PDF)PDFv1.2 · 2.2 MB · updated 2026-10-04

  The same drawing on one sheet, with a hole table and the part heights. Outline and holes are from the Gerber files, heights from the STEP model; the pins reach 8.4 mm below the board.

  Used by Nano V3.0 USB-C and PinPulse Shield: Seating the Nano, the LEDs and the First Sketch

• 4-inch 7-Segment Display, mechanical drawing (DXF)DXFv3.0 · 123 KB · updated 2026-10-07

  The board's dimensioned drawing as DXF, in millimetres: the 88.97 × 122 mm outline, the ten display holes in two rows of five at 5.08 mm and the header holes. Zipped, because DXF is text.

• 4-inch 7-Segment Display, mechanical drawing (PDF)PDFv3.0 · 2.6 MB · updated 2026-10-07

  Two A3 sheets. The first is the module: outline, holes and part heights. The second redraws its maker's 40101A display outline to scale, with the pin numbers and the function each pin has on this board.

• Nano PinPulse Shield, mechanical drawing (DXF)DXFv1.2 · 278 KB · updated 2026-10-04

  The dimensioned drawing as DXF, in millimetres: the 55 × 49 mm outline, the two Ø4.8 mm mounting holes 48 mm apart and the socket positions. Zipped, because DXF is text.

  Used by Nano V3.0 USB-C and PinPulse Shield: Seating the Nano, the LEDs and the First Sketch

• Nano PinPulse Shield, mechanical drawing (PDF)PDFv1.2 · 3.3 MB · updated 2026-10-04

  The same drawing on one sheet, with a hole table and every part's height above the board; the sockets stand 8.5 mm tall. Outline and holes are from the Gerber files, heights from the STEP model.

  Used by Nano V3.0 USB-C and PinPulse Shield: Seating the Nano, the LEDs and the First Sketch

• HotSwap Arcade mainboard, mechanical drawing (PDF)PDFv1.0 · 3.4 MB · updated 2026-09-25

  The mainboard on one sheet: the 60 × 70 mm outline, two 3.2 mm mounting holes on the left edge 50 mm apart, the 26-position socket on the right edge, and the tallest parts, the button sockets, 9.6 mm from the underside. Outline and holes from the Gerber files, heights from the STEP model.

  Used by HotSwap Arcade Kit: Buttons, Joystick and Coin Acceptor for ESP32-S3, Nano, Pico and Zero 2 W

• HotSwap Arcade mainboard, mechanical drawing (DXF)DXFv1.0 · 168 KB · updated 2026-09-25

  The same drawing as DXF, in millimetres, for a laser-cut panel or a CAD sketch. Zipped, because DXF is text and shrinks to a small fraction of itself.

  Used by HotSwap Arcade Kit: Buttons, Joystick and Coin Acceptor for ESP32-S3, Nano, Pico and Zero 2 W

• HotSwap Arcade ESP32-S3 adapter, mechanical drawing (PDF)PDFv1.0 · 2.3 MB · updated 2026-09-25

  The ESP32-S3 adapter on one sheet: the 40 × 70 mm outline, its two 3.2 mm mounting holes and every header hole. From the Gerber files.

• HotSwap Arcade Nano adapter, mechanical drawing (PDF)PDFv1.0 · 2.2 MB · updated 2026-09-25

  The Nano adapter on one sheet: the 40 × 70 mm outline, its two 3.2 mm mounting holes and every header hole. From the Gerber files.

• HotSwap Arcade Pico 1/2 adapter, mechanical drawing (PDF)PDFv1.0 · 2.4 MB · updated 2026-09-25

  The Pico 1/2 adapter on one sheet: the 40 × 70 mm outline, its two 3.2 mm mounting holes and every header hole. From the Gerber files.

• HotSwap Arcade Zero 2 W adapter, mechanical drawing (PDF)PDFv1.0 · 2.5 MB · updated 2026-09-25

  The Zero 2 W adapter on one sheet: the 40 × 70 mm outline, its two 3.2 mm mounting holes and every header hole. From the Gerber files.