[Noisebridge-discuss] Technical question: Directionally sensitive photosensors

[pdbogen at cernu.us]

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 .
            ...
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 836 bytes
Desc: Digital signature
URL: <http://www.noisebridge.net/pipermail/noisebridge-discuss/attachments/20130610/2a1184df/attachment.sig>