I once built a nightlight prototype using 10 medium efficiency 5mm green LEDs (I should have used red). It was way, way, way too bright in a largish dark bedroom. Peter -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads