At 12:21 PM 1/18/2005 -0700, you wrote: >The way they are used now in low-power projects is >that they are pulsed (PWM). The eye sees a rapidly- >pulsed 10% ontime as solid Yes. >and the battery savings >is significant. No, it isn't typically with modern LEDs. >Another way to use LED's is to only wink every few seconds. >That further reduces consumption overall. Definitely. Best regards, Spehro Pefhany --"it's the network..." "The Journey is the reward" speff@interlog.com Info for manufacturers: http://www.trexon.com Embedded software/hardware/analog Info for designers: http://www.speff.com -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist