The four ESP32 bases side by side and to scale from above: the expansion base with two connector strips down each edge, the PinPulse base with four chips down the middle and a column of LEDs at each edge, the pluggable terminal base with a white twelve-way push-in block each side, and the screw terminal base with a green twelve-way screw block each side.

You have thise32x3

3-Pack ESP32 Gold Edition with 3 Expansion Bases

Four bases for the 38-pin Lonely Binary ESP32. Which pins each one brings out, which way round the board goes, the fifteen-way display port they all share, and the twenty-four LEDs on the PinPulse.

Start here · 01 What a base does What is in the box

Product questions & answers ↓

The whole handbook10 articles · 45 min Pinout and specsThe pin table, and the questions people ask first

In this box

esp32

ESP32 Gold Edition (WROOM-32E)

The ESP32 Gold Edition pinout page Open the board in 3D

Quick referencePDF · 657 KB PinoutPDF · 601 KB

Model files and drawings

As it comes out of the box: both 19-pin strips soldered in, pins down, the way it sits in a breadboard.

3D model (GLB)GLB · 3.9 MB CAD model (STEP)ZIP · 5.5 MB Drawing (PDF)PDF · 2.3 MB Drawing (DXF)ZIP · 117 KB

This one on its own /p/esp32

The ESP32 expansion base seen from above at an angle: a black board with four large corner mounting holes, two tall sockets down the middle for the ESP32, two 2.54 mm strips along each long edge with the pin names GND, 3V3, 36, 39, 34, 35, 32, 33, 25, 26, 27, 14, 12, 13 and 5V printed beside them, and a white fifteen-way ribbon socket at the far end.

32base

ESP32 Expansion Base (2.54 mm)

GPIOs out: 24
Rows a side: 2 × 15at 2.54 mm
Display port: 15way FPC

03 The expansion base

3D model (GLB)GLB · 4.2 MB CAD model (STEP)ZIP · 3.7 MB

This one on its own /p/32base

32plug

ESP32 Pluggable Terminal Base

GPIOs out: 20
Terminals: 2 × 12at 3.5 mm
5 V out: none

05 The pluggable terminal base

3D model (GLB)GLB · 4.1 MB CAD model (STEP)ZIP · 3.5 MB

This one on its own /p/32plug

32screw

ESP32 Screw Terminal Base

GPIOs out: 19
Terminals: 2 × 12at 3.5 mm
5 V out: left block

06 The screw terminal base

3D model (GLB)GLB · 4.4 MB CAD model (STEP)ZIP · 3.5 MB

This one on its own /p/32screw

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3-Pack ESP32 Gold Edition with 3 Expansion Bases

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3-Pack ESP32 Gold Edition with 3 Expansion Bases

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Email us or reply to your order, and quote e32x3 — 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.