It’s a primary, two-wire interface for linking electronic devices and exchanging data.įirst, you need to install Arduino IDE Software from its official website Arduino. What is I2C Communication Protocol?Ī common and frequently used serial communication protocol, I2C (Inter-Integrated Circuit), lets devices like microcontrollers communicate and share data with one another.
So, there are many other ways to use two Arduinos together, depending on the project and its objectives. By linking Arduinos, you can also construct a network of wireless sensors.
One Arduino could be the master controller, sending instructions to other Arduinos that run different motors or sensors. Each Arduino in a distributed system can have a specific job. In this tutorial, we Connect Two Arduino Boards Using I2C Communication Protocol!Īs a beginner, the question might arise in your mind: why connect two Arduinos? Because multiple Arduinos can increase your project’s possibilities for example, one Arduino may control a display while another, motors or sensors.
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