Tag: ER-OLED0.69-1W
![ESP32 CoinCell board ESP32 CoinCell board](https://www.electronics-lab.com/wp-content/uploads/2019/02/52292089-4c8ae300-294a-11e9-8096-ea8b10b4526b.jpg)
Arduino
ESP32 CoinCell board
This is an ESP32 Pico D4 project with an accelerometer and 0.69" oled display powered by a rechargeable LIR2450 coin cell. Source files are available on github.com. Mike Rankin writes: I was not made for any specific purpose and was a design challenge to try and made it as small as...
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