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Circuit Diagram . Working Explanation of Communication between two Arduino using I2C. Here for demonstrating I2C communication in Arduino, we use Two Arduino UNO with Two 16X2 LCD display attached to ...

Reference circuit diagram of an Arduino-compatible LCD backpack is shown below. What follows next is information on how to use one of these inexpensive backpacks to interface with a microcontroller in ...

To build this project, all you need is three main components: an Arduino Uno, a 16x2 LCD, and a push button. You can connect everything to a breadboard to keep it simple.