Acme Systems srlLinux Kernel modules to activate Probably the Kernel used on your Acme Board is already configured to have the I2C bus enabled. To check it just type: ls /dev/i2c* /dev/i2c-0 /dev/i2c-1 in this case two busses are already configured on your board. To know on which pins are available the I2C signals, read the pinout section of this page. However if no device is present you have to check the Kernel
