[Noisebridge-discuss] Technical question: Directionally sensitive photosensors

pdbogen at cernu.us pdbogen at cernu.us
Mon Jun 10 21:54:01 UTC 2013


On Mon, Jun 10, 2013 at 02:51:48PM -0700, Christoph Maier wrote:
> Can anyone on this list give me recommendations (nudge,nugde, Mitch
> Altman) how to build cheap photosensors (wink,wink, Jonathan Foote)
> that are highly directionally sensitive?

What sort of sensing do you need? A photoresistor at the end of a bit of 
opaque tubing is highly directional..

-- 
             .
Patrick Bogen .
            ...
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