On Thursday 08 January 2004 01:45, you wrote: > That's PWM. OK. Sorry. I thought PWM had a fixed pulse frequency, but I see thats not needed. Thanks. Koen -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads