sparkfunFioV3.zip by matthew ford (www.forward.com.au) 31st Dec 2013 This zip file contains a modified version of the addon files supplied by SparkFun (www.sparkfun.com) for Arduino IDE https://github.com/sparkfun/SF32u4_boards/archive/master.zip These files have been modified to suit Arduino V1.5.5 directory layout and properties. Unzip this file to the Arduino/hardware directory after which you should have a sparkfun directory under hardware and on restarting V1.5.5 IDE you should see the sparkfun boards. Install the drivers as per normal see https://learn.sparkfun.com/tutorials/pro-micro--fio-v3-hookup-guide Note: I have only tested the FioV3 setup. The other boards config have been modified in a similar manner but not tested. If they don't work contact SparkFun to fix them. There appeared to be an error in minibench/makey config. It was refering to the promicro pin header file. I have changed this to refer to the minibench pin header file. Finally the FioV3 board has a few problems see http://www.forward.com.au/pfod/ArduinoProgramming/FioV3/index.html for the details