Solving Intel Edison "Failed to initialise Arduino board TriState, check i2c devices! FATAL" - w4ilun/edison-guides GitHub Wiki

If you are getting "Intel Edison Failed to initialise Arduino board TriState, check i2c devices! FATAL," your copy of libMRAA is out of date or simply not installed.

Run the following commands:

echo "src mraa-upm http://iotdk.intel.com/repos/1.1/intelgalactic" > /etc/opkg/mraa-upm.conf;

opkg update

opkg install libmraa0

opkg upgrade