Pinout
| Part | Pin (D1 Mini) | GPIO (ESP8266) |
|---|---|---|
| OLED SCL | D1 | 5 |
| OLED SDA | D2 | 4 |
| Button Left | D0 | 16 |
| Button Right | D7 | 13 |
| Button Up | D5 | 14 |
| Button Down | D6 | 12 |
| Button A | D4 | 2 |
| Button B | D3 | 0 |
| LED (DI) | D8 | 15 |
The LED is a WS2812b (Neopixel). The OLED screen is a 128x64 pixels SH1106 connected via I2C (address = 0x3C).