0.91 Inch Bare Screen
Working voltage: 3.3V
Resolution: 128 * 32
Driver chip: SSD1306
Display color: white / blue
0.91 Inch OLED Module
Working voltage: DC 3.3V-5V
Resolution: 128 * 32
Driver chip: SSD1306
Communication method: IIC
Display color: white / blue
Product interface:
GND: power ground
VCC: Power supply
SCL: clock line
SDA: data cable