OLED display, no need backlight, self-illumination. The display performance is better than the traditional LCD display, also lower consumption. Specifications: Driver IC: SSD1306 Size: 0.91 inch OLED Resolution: 128 x 32 Size: 38 * 12 mm Interface Type: IIC interface Display Color: Blue Pin Description: GND: Power Ground VCC: Power (DC 3.3 ~5v) Operating temperature:-40 ~ 85 ℃ SCL: Clock Line SDA: Data Line
