"Also allows designs where "if PIN HIGH -- then do.. XYZ" and the "resistor" can be removed later for added functionality. All you guys - you only consider digital applications! RF Jim -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads