Quote Originally Posted by magicniner View Post
http://hobbycomponents.com/motor-dri...-motor-drivers

But not very complicated as the above linked product has already been suggested, it's as complex a motion controller as is required, as the occasional lost step isn't an issue one pulse generator could be used for all three drivers - Simples! ;-)

- Nick
True, with that simple controller it is much better than three power drill motors. Also more torque even at slow speed.