On Mon, 2010-02-08 at 17:00 -0500, Spehro Pefhany wrote:
> Early LEDs had a kind of threshold (maybe a good part of 1mA) below
> which no light came out.
> 
> Pulsing them gave significantly higher visual brightness, for low
> average current. Modern LEDs are visible at uA in a dark room.

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?

TTYL

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