[sdiy] super-nice LED interface ..

[Jay Vaughan]

>But you're going to need a lot more processing if you're going to make it
>insensitive to ambient light...
>Notice that the photos show it being demo'd in the dark.

what about using a polarizing filter surface to reduce the ambient 
interference, and 'tune' the detector stage to the frequency of the 
LED's themselves?

i mean, could this problem be overcome with a film filter solution, 
and reduce the need for digital processing?

-- 

;

Jay Vaughan