FW: another modest proposal...

[Martin Czech]

> Does the term "Hall Effect sensor" mean anything? Damn that's such a good
> idea I might ripp apart an old keyboard and actually try it. With a hall
> effect sensor and suitable detection circuitry one could sense levels and
> position. Damn that'd make an excellent instrument/controller. 
> 
Don't rip up anything, just by some analog sensors of the shelf. Good idea,
a magnet joystick !

m.c.