Proximity sensor?

[Paul Perry]

At 09:34 AM 30/09/99 +0100, Colin.Fraser wrote:

>Sounds very like a device invented in the 20s by a Russian living in America
>call Leon Theremin.

Very true, but if you want something stable for an art installation, I can't
recommend a theremin. What I would rather use is a pressure mat, with say a
40 second or whatever counter, which resets with any contact. Provided the 
viewers are able to be herded onto the mat, of course.

paul pery melbourne australia