On Mon, Feb 8, 2010 at 1:56 PM, Herbert Graf wrote: > > I wonder, this "pulsed is brighter" thing is something I've heard about > alot in relation to IR LEDs, does any of this hold true when using IR > LEDs? > In careful trials with pulsed IR LEDs and steady powered ones, participants reported the two brightness levels were exactly the same. They couldn't see either of them. I'm attempting to be funny, but Dario also mentioned remote controls, and we want to keep in mind that we're discussing perceived brightness by the eye, and that the effect on electronic sensors is going to be a different discussion. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist