David Dunn wrote: > > now i just have to find a timer and counter pair that comes up with exactly .250 .. can't seem to quite hit it I use the system that Bob Ammerman suggested, which I later refined to high speed version, where you use a modified Bresenham system to generate zero-error (but small jitter) time delays of any large period with any speed PIC. Check the archives. :o) -Roman -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads