I2C OLED Display Module 091 Inch I2C SSD1306 OLED Display Module White / BLUE I2C OLED Screen Driver DC 33V~5V for Arduino Note: Do not reverse VCC and GND. This will cause damage to the OLED display. Pin Description: GND: Power Ground VCC: Power + (DC 3.3 ~5v) SCL: Clock Line SDA: Data Line Specification: Model: SH-S091 Screen size: 0.91 inch Interface: IIC The main chip is: SSD1306; Operating voltage: 3.3V~5.0V power supply. Working Temperature: -30 degrees ~ 70 degrees Display area: 22.384 x 5.584 (mm) Physical size: 38 x 12 (mm) Pixel size: 0.159 x 0.159 (mm) Pixel pitch: 0.175 x 0.175 (mm) Interface Type: IIC Interface Number of Pins: 4Pin Package Including 1 * 0.91 Inch I2C SSD1306 OLED Display Module _x000D_