Thanks to you all who gave their recommendations. I have downloaded the book from analog and after reading it I at least have a slight idea how much I don't know :P - Kari - -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads