>Does anyone know where I can get a tape scale and >encoder online and not too expensive to experiment with? How accurate/what step size does it need to be? I have seen people print one using a laser printer, and use barcode type led/sensor units with the printout. If you are just looking to experiment to get experience then this may do. -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu