> My orange leds just arrived. 600+ 10000 mcd LEDS. :) > > Driving the whole mess would only be about 60W. Here's a surprise (pleasantly surprised me anyway) - This message board I've designed http://home.clear.net.nz/pages/joecolquitt/message.html uses just 40mA at 5V and is quiet viewable under indoor lighting, even with 270 ohm resistors. Battery back-up is a distinct possibility for one application. The LEDs are bog- standard 3mm 5mA 5mCd -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads