1.3"Blue/White OLED LCD Anzeige Modul GND/VVC Interface I2C/SPI 128x64 Arduino

1>GND (power ground). 2>GND (power ground). 1>GND (Power Ground). 6>CS1 (OLED Screen Selection). Interface Type: IIC interface. Interface Type: Default SPI Interface (Can be Modified To IIC). 3>SCL (clock line).

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