Just finished printing off all the parts, and today received my build kit, thanks V1 way faster shipping to Australia than expected.
I am gathering equipment to build it still, and I have been doing a bunch of reading on THC for plasma units.
I have ordered the Proma THC SD unit with the intention of using it with this project.
I went with mini rambo board.
My questions to you gurus, has anyone tried to intercept the Step and Dir lines for using external THC with the mini rambo?
I am thinking about how I might be able to do this with minimal hacking of the board.
I was originally thinking about using the test pins for EN, Step and Dir and using an external stepper driver, but not sure if I need any other pins to make this work, ie MS1 and MS2 and Zref.
If these are required, is it better to try and tap these off the on-board stepper driver chip? or some other way?
I have found some useful information and drawings on the reprap wiki.
I am sure I can make it work, just need some advice on pins/data lines required.
Thanks in advance.