"motion sensor" with mouse

[Dotan Cohen]

> it is a motion sensor if you put the optical mouse vertical and use dev dsp
> so if anybody pass throught you can see a sound
>

Why do that with a mouse? Do it with a webcam, pipe /dev/video to
/dev/dsp (untested). It it always makes sound, then have it take a
photo every X seconds then pipe the diff of the photo binaries to
/dev/dsp.

-- 
Dotan Cohen

http://what-is-what.com
http://gibberish.co.il