I2C communication Archives

How to make an I2C slave send data in an I2C system

11/28/202410/06/2024 by Faveren Caleb

The master device mostly controls the I2C slave device. In this post, we will send data from the master to the slave. This is useful as some projects require the I2c slave to send sensor readings to the master to be processed or displayed. We will send distance readings from an ultrasonic sensor and display … Read more

How to use Serial communication between 2 Arduino boards

11/28/202409/19/2024 by Faveren Caleb

Serial communication refers to data transmission between two or more devices over a communication channel. Arduino Uno and other smaller variants have two (2) serial communication pins namely RX and TX normally D0 and D1 respectively. Serial communication is similar to I2C communication the main difference is the library used. They both make use of … Read more