Many fun things can be done with stepper motors. spin the stepper and show the cogging. short out the windings and show how much harder it is to spin. For career day =85 what are you claiming your position in life/reality is ? --=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 .