In this post I'll show you about the I2C OLED display.
This display is use to get the IP address of the control unit.This display comes in many different color combinations.And we need to connect 3.3v to VCC pin & common to the GND pin to operate this display.And we need to connect SDA & SCL pins with the arduino board.
In next post I'll show you about shift registers & how it works.
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