[Fwd: Re: [sdiy] super-nice LED interface ..]

[Tim Daugard]

> > i'm so sick of cheap pots and sparse LED usage .. i
> > want a control
> > surface with bling.

>You might have some troubles with power usage and noise with the
scanning
>LED array. Filters, or no... you will never use it in direct
sunlight. It
>would probably not work in very bright light either.

Just reverse the concept. Decrease in signal level is just as good
as increase in signal level to determine if something has changed.