I'm new to all this electronics stuff and by no means understanding it all. I was recommended by a user to look for constant current systems rather than purchase a PWM style system. I'm wondering if others can comment and or explain the pro's and con's of these two styles and what type of uses they would apply to. I'm looking to build a 3 axis mill which can later be increased to more [ 4-5 axis] after I'm comfortable with all things CNC. My projects would mainly be toward larger size composite molds and foam bucks for things like car hoods etc.
Also as a second question [ may not be the entirely proper thread to post in] I'm wondering about the differences between the Gecko Rex board and a cnc4pc board. It would appear that the rex has USB connectivity? Vs Parrellel? Would Mach3 tie to either of these??
I'd appoligise for being a newbie but at this point there is only one way change that!!
JerryFlyGuy