Looks nice I had done a very similar thing while ago. Range can be increase=
d
using a laser + photo diode and/or a fiber channel eventhough it will
destroy first 13 characters of the title.

On Thu, Apr 21, 2011 at 11:37 AM, RussellMc <apptechnz@gmail.com> wrote:

> Very Low-Cost Sensing and Communication Using Bidirectional LEDs
>
> Uses PICs.
> Cute
>
>
> http://www.beatbutchermpc.com/wp-content/uploads/leds%20as%20photo%20sens=
ors.pdf
>
> MITSUBISHI ELECTRIC RESEARCH LABORATORIES
> http://www.merl.com
> Very Low-Cost Sensing and Communication Using Bidirectional LEDs
> Paul Dietz, William Yerazunis, Darren Leigh
> TR2003-35 July 2003
> --
> http://www.piclist.com PIC/SX FAQ & list archive
> View/change your membership options at
> http://mailman.mit.edu/mailman/listinfo/piclist
>
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