[sudo-discuss] Spectral Response Curves

[StCredZero]

On Tue, Nov 12, 2013 at 11:06 AM, Hol Gaskill <hol at gaskill.com> wrote:

> What's the badwidth you're interested in?  Shooting from the hip, I'd
> recommend a photodiode
> http://media.digikey.com/pdf/Data%20Sheets/Opto%20Diode/ODD-470W.pdf if
> you just need a coarse signal that detects the band centered on 470nm.
>  Also, you could use an analog to digital converter or even just a properly
> dialed-in comparator to cut out the heads and tails of the spectrum.
>

This could be a viable device for people who don't have a smartphone,
however.
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