>Just make black disk, attach to the motor shaft and=20 >have a hole on the disk. You can get infra-red=20 >transmit/receive opto interrupter pairs >for a few bucks from just about anywhere. Or use an AOL subscribe CD ???? ;-))) -- http://www.piclist.com hint: The list server can filter out subtopics (like ads or off topics) for you. See http://www.piclist.com/#topics