In order to compile and upload the firmware to the RAMBo controller, you're going to need the Arduino IDE. This is an open source software development environment targeted at the Arduino family of ATMega-based micro-controller project boards. At its heart, the RAMBo controller is just an Arduino Mega 2560 with a lot of goodies attached to it.

You can download the Windows, MacOS and Linux version of the Arduino IDE from here: https://www.arduino.cc/en/Main/OldSoftwa... Choose the appropriate Platform. As of the time of this writing, we are using Arduino 1.6.4 There are many versions available of Arduino, but all are compatible.

Start the Arduino IDE – you should be presented with a screen that looks similar to the first image on the left: