> >He is using a wall wart with the filter capacitor at the end of a cable >away from the 7805. The manufacturers always say to put a bypass >capacitor at the input of the 7805 in this situation. Ouch. I'm the kind of guy that plants an SMD 0.1 right between the pads. -- Dave's Engineering Page: http://www.dvanhorn.org Where's dave? http://www.findu.com/cgi-bin/find.cgi?kc6ete-9 -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads