I don't know much about 3d printers and little know about electronics, sorry if this will be simple. There is an open source cartesian 3d printer project, actually it is CNC but may be converted into 3d printer, mostly printed CNC. I want to see how arduino and RAMPS 1.4 make stepper motors turn. There is a wiring diagram in this linkDoes this wiring diagram work for every case? I I just wantby uchi91 - General