Olin, I'm interested in PID PIC-based controllers - just from a learning point of view - I don't have any particular application in mind at this point. I've run across some references and articles on PID on the net, but most of this is just theory - I've not seen any examples showing how one would do PID stuff in code. Can you point me to anything? Thanks Larry Larry Bradley Orleans (Ottawa), Ontario, CANADA -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads