OLED Display Here I'm using SSD1306 0.96 inch I2C OLED display with the Arduino Pin Connections If you’re using a different Arduino board, make sure you check the correct I2C pins: Nano: SDA (A4); SCL (A5); MEGA: SDA (20); SCL (21); Leonardo: SDA (20); SCL (21); Reference links Link 1 Link 2 Getting started with #arduinoprogramming 🚀