Interfacing with I2C Devices

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This page is meant to provide some basic information about how to interface with I²C devices through the /dev/i2c interface. The I²C bus is commonly used to connect relatively low-speed sensors and other peripherals to equipment varying in complexity from a simple microcontroller to a full-on motherboard. I²C is extremely popular due to its ease-of-use and ability to control multiple peripherals while utilizing only two pins on the host controller.


Note: Examples shown on this page were developed based on a Texas Instruments BeagleBoard and some changes will be required depending on the system being utilized.

Tested Devices

External Links

Wikipedia I²C Page