Hi mate Thanks for sharing your test software, I have been looking for something like this for quite a while. I have been involved with electronics for many years but mainly with PIC chips so this is all new to me. I want to build a Prusa i3 as I think it would be fun and a way to ease me into Arduino side of things. I have started to buy the parts to build the i3. As I have got a fair bit ofby Gypo - RAMPS Electronics