try this for a compass sensor:
has digital output for one model (16 compass points) or an analog output
model. Uses hall effect devices.
http://www.dinsmoresensors.com/

On Thu, 1 Aug 2002 09:49:57 -0400 Derek Cowburn <derek@COWBURN.US> wrote:

> RadioSnack sells a ratiometric hall sensor P/N
> A3515.  Not sure if this is
> comparable to the KMZ51.  Call ahead or order
> one, they're rarely in the
> store.
> -Derek
>
> > -----Original Message-----
> > From: Pic Dude
> [mailto:picdude@PILOTTOOLS.COM]
> > Sent: Thursday, August 01, 2002 1:13 AM
> > To: PICLIST@MITVMA.MIT.EDU
> > Subject: [EE]: Looking for magnetic field
> sensor
> >
> >
> > Anyone know where I can get a single piece of
> the Philips
> > KMZ51 chip.  The 3 distributors are out of
> stock and require
> > 1000-pc minimums.
> >
> > OR...  anyone know of a similar substitute
> that I can use
> > for an electronic compass?  I'd prefer not to
> mess with
> > external moving components, so a nice
> all-in-one sensor
> > like the KMZ51 would be best.
> >
> > Thanks,
> > -Neil.
> >
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