Download Arduino Uno R3 I2C Pins Gif. To make it easier to make shields which use i2c the manufacturer added the sda/scl pins in a known location. In this arduino i2c tutorial we will use i2c communication between two arduino boards and send (0 to 127) values to each other by using potentiometer.

What Is I2c Protocol Guide Microcontroller Tutorials
What Is I2c Protocol Guide Microcontroller Tutorials from i1.wp.com
The arduino uno pinout guide includes information you need about the different pins of the arduino uno microcontroller and their uses: For both boards they are connected to the correct pins. With i2c there are 2 wires referred to as scl and sda.

In this arduino i2c tutorial we will use i2c communication between two arduino boards and send (0 to 127) values to each other by using potentiometer.

The arduino uno pinout guide includes information you need about the different pins of the arduino uno microcontroller and their uses: With i2c there are 2 wires referred to as scl and sda. For both boards they are connected to the correct pins. To make it easier to make shields which use i2c the manufacturer added the sda/scl pins in a known location.