Marble machines seem to be quite popular, steppers seem like a natural extension to make them even more interesting. > > I'd be grateful for any ideas that would help me encourage students > to try stepper motors in a practical and useful project, preferably a > simple one without too much engineering > > TIA > > Joe -- KPL --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .