Hmmm...Digital Pot.  Seems more complicated.  The Up/Down feature is
interesting but I'm not sure how I'd mechanically interface to it.

> -----Original Message-----
> From: Dal Wheeler [mailto:dwheeler@INSIGHTEK.NET]
> Sent: Monday, August 05, 2002 3:27 PM
> To: PICLIST@MITVMA.MIT.EDU
> Subject: Re: [EE] long-life potentiometers
>
>
> You might look into a MAX5427 or like...
>
> > > -----Original Message-----
> > > From: Alan B. Pearce [mailto:A.B.Pearce@RL.AC.UK]
> > > Sent: Monday, August 05, 2002 11:07 AM
> > > To: PICLIST@MITVMA.MIT.EDU
> > > Subject: Re: [EE] long-life potentiometers
> > >
> > >
> > > > I need a small, single-turn pot that has a long wiper life
> > > > and low noise
> > > > during travel.  Something like a servo feedback pot, but tiny.
> > > >
> > > > Are there any non-contact components (optical?) that can
> > > > accomplish this?
> > > >
> > > > Recommendations welcome as always.  Thanks.
> > >
> > > As you need it tiny, I suspect it may be practical to think
> > > about making
> > > your own LVDT sensor. If the travel is short enough then you
> > > could probably
> > > use a potcore winding former for the windings, and a ferrite
> > > slug as the
> > > moving element.
>
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