General question what interface hardware and hardware stack would folks recommend? Have a shell of a laser cutter with good mechanical and optical path but all the electronics are toast. Rebuilt the stepper drivers (standard step and dir inputs) and now looking to replace the driver board (serial interface from the 90’s) vs rebuilding it.
@Peter_Shabino , you are at a interesting stage ;-))
a Smoothie board or compatible, including the coming SmoothieBrainz from +Peter van der Walt based on LCP1769 (need a bit of patience for availability, not out yet).
or older stuff on Ramps/Marlin or even older on Arduino.
Here is a link to a modified version of grbl running on an every day arduino. I am personally using this on my laser works great for part cutting not so great for image rastering.
http://objectworks.co sells software for generating and sending GCode to this controller.