I2C Setup

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Instructions for setting up and using the I2C interface on the Raspberry Pi.


Installation

Add the I2C drivers to the Linux Kernel. 

sudo modprobe i2c-dev
sudo modprobe i2c-bcm2708

Once the drivers have been added to the Kernel the I2C will appear as /dev/i2c-0 and /dev/i2c1.


Download and install the i2c tools. This is not essential but it is useful for testing I2C devices from the command prompt. 

sudo apt-get install i2c-tools

Notes

This setup process has been tested on the following Raspberry Pi linux distributions

  • Raspbian Wheezy 2012-08-16

Links

i2c Tools

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