4.8 (OLED Display Wiring)
You can use different display models with SPI interface (if supported by the U8g2 library)
The most used and easy to find are SH1106 SPI 1.3" or SSD1306 SPI 0.96" 128x64 characters
| OLED PIN | ARDUINO PIN |
|---|---|
| RES | Digital pin 8 |
| DC | Digital pin 9 |
| CS | Digital pin 10 (SS) |
| DIN/MOSI | Digital pin 11 |
| CLK | Digital pin 13 |
