The SSD1306 is the driver chip in most common 0.96-inch 128×64 monochrome OLED displays. It communicates via I2C (or SPI on some modules) and is supported by the Adafruit SSD1306 library for Arduino and MicroPython.
| Pin | Name | Function | Type |
|---|---|---|---|
| GND | GND | Ground | GND |
| VCC | VCC | 3.3V–5V power | PWR |
| SCL | SCL | I2C clock | BUS |
| SDA | SDA | I2C data | BUS |