> Does your treatise mention the beneficial effect > using a BSR/X10 lamp module has on extending the > life of filament style lamps? I don't know much about them - do they have a soft-start function ? Resistors are a cheap readily-available alternative. Not ideal, but worth the experiment. So far (10 months) I haven't lost any bulbs when in a typical year I would have probably replaced all or most -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads