ESP32 Development Kit

ESP32 is a powerful embedded development board. But the ESP32 DevKit design is not much breadboard friendly and has a weird pinout design. That is why I designed this development kit, to make my experiments easier with the help of built-in electronic components and breadboard.

I decided to share it open-source under Creative Commons Attribution-ShareAlike 4.0 International License.

The stickers pasted to the board also uploaded for your reference. You can print the prints/stickers.pdf file to an A5 size sticker paper and cut them.

Features

• Expanded GPIO pins with 3.3v and GND

• A tiny breadboard

• Li-ion battery

• USB charging controller

• Adjustable voltage booster (set to 5v)

• SSD1306 LCD module

• 3V3-5V logic level shifter (4 channels)

• 4 x LEDs (Red, Green, Blue, Yellow)

• 2 x DIP switches

• 2 x Pushbuttons

• 1 x Trimpot (10 kOhm)

• 1 x Active buzzer

Schematics Diagram

You can find the schematics diagram from v1_schematics.pdf.

PCB design

You can find the Gerber files of the design from the v1_gerber folder. This is a single side PCB, with 4 jumpers. PCB is designed using Fritzing.

Final View

You can see some images of the final design (with the 3d printed enclosure) here.

Sample Codes

I added a sample code for SSD1306 display, which is using Adafruit_SSD1306 library. I will try to add a few more libraries in future.

---

This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.