While waiting for my PICkit1, I was looking over the schematics. On Figure A-1, it looks to me that when Vpp goes to 13V, Vdd will go to 13V. So what am I missing? Thanks, Colin _________________________________________________________________ Add photos to your e-mail with MSN 8. Get 2 months FREE*. http://join.msn.com/?page=features/featuredemail -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads