>"with a small stepper or DC motor to pull the tape through." > >You don't need a stepper for this. Use the sprocket hole from >the paper tape as the sensor for the data bits from the tape >and just pull the tape along. Yeah, I was expecting to use the sprocket holes for clocking, it was more a case of using a small stepper (like might be recovered from an old floppy drive) may be easier that sourcing a suitable DC motor. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist