I2C protocol makes it easier to connect more ICs using only 2 wires SDA and SCL and allows communication between them at relatively low speed. The I2C bus or TWI (Two Wire Interface) allows a single ...

Once you have finished the soldering work , get four jumper wires and connect the LCD module to your Arduino as per the instruction given below. (lcd display to arduino wiring) Arduino Setup. For this ...

All that is needed is to connect the I2C pins of the microcontrollers and provide each with power. This project uses an Arduino as the controller and an arbitrary number of smaller ATtiny85 ...