Lonely Binary
The ESP32-S3 screw terminal base seen from above at an angle: a black board with four corner mounting holes, two tall black sockets down the middle for the ESP32-S3, a green fifteen-way screw terminal block along each long edge with the pin names printed on the board beside them, and a white fifteen-way ribbon socket at the far end.
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View it in VR

This board opens in a VR headset: life-size, or big enough to stand beside, with every pin and every part named where it sits. Open this address in the browser on a headset such as Apple Vision Pro or Meta Quest.

learn.lonelybinary.com/vr/s3screw
You have thiss3screw

ESP32-S3 Screw Terminal Base

Four bases for the 44-pin Lonely Binary ESP32-S3. Which GPIOs each one brings out, which way round the board goes, the fifteen-way display plug they all share on the same GPIOs, and the 36 LEDs on the PinPulse that cannot disturb I²C or SPI.

GPIOs out
26
Terminals
2 × 15at 3.5 mm
Display port
15way FPC
Start here · 12 The screw terminal baseOpen the base in 3D

Turn it over, click any terminal, and see which GPIO it is and what the ESP32-S3 can do with it.

Product questions & answers ↓

The four ESP32-S3 bases

One ESP32-S3, one display plug on the same GPIOs, four ways to wire to it: pins, push-in terminals, screw terminals, or pins with an LED on every GPIO.

See this board 36one per GPIOESP32-S3 N16R8 PinPulse Shield, 36 GPIO LEDsRows a side: 2 × 22 pins and socketsSee this board 28ESP32-S3 Expansion Base (2.54 mm)Strips: 4 × 20 pins at 2.54 mmSee this board 24ESP32-S3 Pluggable Terminal BaseTerminals: 2 × 12 at 3.5 mm
You have this26ESP32-S3 Screw Terminal BaseTerminals: 2 × 15 at 3.5 mm
The whole handbook22 articles · 100 minQuick referencePDF · 569 KB3D model (GLB)GLB · 5.9 MBCAD model (STEP)ZIP · 5.1 MBDrawing (DXF)ZIP · 196 KBDrawing (PDF)PDF · 3.0 MBPinout and specsThe pin table, and the questions people ask first
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ESP32-S3 Screw Terminal Base

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Email us or reply to your order, and quote s3screw — that identifies the product. If something is missing from the bag, your order is the record of what shipped.

Take it with you

Point a phone camera at the code and this page opens there. It is the same address as the one printed on your box, so it is also what to show someone you are passing the board to.