> Still the transients cant go in this way throught the pic and > out to the output pin of the 7805 ??? (thats where I saw > them on my scope) Make sure the scope probe ground clip was connected to the ground right at the regulator. The scope may have been seeing ground transients that your board doesn't (maybe). ******************************************************************** Olin Lathrop, embedded systems consultant in Littleton Massachusetts (978) 742-9014, olin@embedinc.com, http://www.embedinc.com -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads