OLED displej white 0.96 128x64 4 pin

ROHS Certification 0.96 inch oled IIC Serial White OLED Display Module 128X64 I2C SSD1306 12864 LCD Screen Board For Arduino The instructions on four needles IIC interface module Four needles iic interface is relatively simple, only two signal lines 1. The GND power supply  2. The VDD power supply is (3 ~ 5.5 V) 3. The SCK OLED D0 feet, for the clock pin in the IIC communication 4. The SDA OLED D1 feet, in the IIC communication pin for the data