Hi, Try the PICList - These pages should have all you need to get started. bincnt.asm - Count in binary on 4 LEDs http://www.piclist.org/techref/piclist/cheapic/bincnt.htm Cheapic Tutorial http://www.piclist.org/techref/piclist/cheapic/index.htm Beginner's Checklist http://www.piclist.org/techref/piclist/begin.htm Intro to the PIC http://www.piclist.org/techref/microchip/intro/pic.htm -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.