| Pin | Name | Function |
|---|---|---|
| 1 | VCC | Power supply |
| 2 | GND | Ground |
| 3 | SCL | I2C clock |
| 4 | SDA | I2C data |
Summary
Small monochrome OLED display driven by the SSD1306 controller. Needs no backlight, draws very little power, and is a common way to show sensor readings, menus, or status text in Arduino/ ESP32 projects.
- Interface: I2C (some variants also support SPI)
- Resolution: 128 x 64 pixels
- Supply voltage: 3.3V - 5V
- Display type: Monochrome OLED
- Driver IC: SSD1306