There might be special requirements if you do multi-master setups. I2C can have multi-master or multi-slave setups, although multi-slave setups are more frequently used. Note that I2C needs a Master and a Slave device for communication to occur. With these kinds of drivers, a pull-up resistor is required. Each of these lines can be driven by open-drain type drivers. The I2C interface works on 2-wires: the SDA (or Serial Data) and SCL (Or Serial Clock) lines. You’ll notice that most sensors and peripherals use I2C as a communication interface, so get ready to make a list of your favourite sensors and purchase them when you want to try them out. With this, you’ll be able to use I2C on several of your hobby projects. We’ll also execute some Arduino I2C codes. Once you familiarise yourself with I2C, you should be able to debug any I2C application or project without hassle. In this article, we’ll discuss basic I2C concepts and the standard protocol and give practical applications so you can exercise the concepts on your own. Its primary purpose is for inter-chip communication between a master and a slave device. It has proved its robustness and effectiveness in delivering reliable serial communication between different devices. I2C (or Inter-integrated circuit) is a serial protocol that’s been in the electronics world for several decades. Description: Are you having issues with your I2C Arduino codes? Want to do some low-level debugging on it? This article will help you by discussing in-depth I2C concepts.
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