Jinx, I haven't seen your circuit, but this one works fine: L o----C1----R1----(Ne)----o N C1 = 0.33uF 200V R1 = 330R 1W Ne = neon bulb or argon/hydrogen/mercury bulb with fluorescent coating (lights bright green - brighter than neon). Peter -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads