> Hmmm, maybe a page with tipical wattages, and resistors? ;o) The only info I have is here http://home.clear.net.nz/pages/joecolquitt/0bulblife.html 47R will get you in the ballpark for most domestic bulbs. You can try others - keep an eye on resistor temperature and light output -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads