> > What is the (technology and possible-solution free) aim of the
> > exercise?
> 
> A shaft-position encoder, with only one sensor, which is completely
> non-contact and where the shaft's current position can easily be
> determined even if the encoder's electronics completely fail and are
> restarted with no knowledge of what's currently happening.
> 
> At least, that's what I'm thinking of. ;-)

A.K.A. a Contactless Throttle Position Sensor. 

Steve.

==========================================
Steve Baldwin                          Electronic Product Design
TLA Microsystems Ltd             Microcontroller Specialists
PO Box 15-680, New Lynn                http://www.tla.co.nz
Auckland, New Zealand                     ph  +64 9 820-2221
email: steve@tla.co.nz                      fax +64 9 820-1929
=========================================



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