Have a look at http:\\www.servodrive.com. These are driven (at least the ones I'm familiar with) by servo motors. Kelly Kohls, N5TLE Dallas, Texas Homepage: http://www.qsl.net/n5tle/ There's never enough time to do it right, but plenty of time to do it over. -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu