The lighting system works off of the Arduino Pro Mini from sparkfun.com and can be found HERE To get this to work, it needs to have a 5pin header soldered to it and then soldered to the PCB of the RFL. Once, the header is soldered, it would be a good idea to program a sketch into the Pro Mini. We need an FTDI, Mini USB programing cable, a driver for the FTDI, and the Arduino Program Software.
How to make an R2-D2 from scratch.