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Re: 19,008 LEDs on the wall, 19,008 LEDs



I wrote:
> Were I doing such a thing, I'd probably try for a
> duty cycle of around 5%, and about 20 mA active current, for an average
> of 1 mA.

Michael J. Mahon wrote:
> That would save power, but would operate the LEDs at substantially
> less than their design brightness.  Anyone building a wall of LEDs
> is probably going to want them to be "all that they can be", at least
> when showing it off.  ;-)

Not really.  I want something I can watch, not something blinding.
If you have 19000 typical LEDs operating at max rating, it's going to be
way too intense.

Besides, retinal persistence works for you so that you have non-linear
benefit of trading off current for duty cycle.

Eric