> I want invisible IR light from IR-diodes to activate a paint and > dye that wil glow or fluoresce That's what I'm looking for. The IR-activated equivalent of Day-Glo -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads