[sdiy] Magnetic field

[Jay]

on 8/1/04 10:57 PM, harrybissell at harrybissell at prodigy.net wrote:

> I'd probably go with an optical switch setup... because the "key down" point
> could be
> made totally unambiguous.  If you use a dual phototransistor, or analog
> sensing
> you could get velocity as well.

Newer Allen Organ keyboards use optical technology like this. Might be worth
it to pay a visit to a dealer and get a quick peek inside.