On Fri, 28 Jun 2002, Pic Dude wrote:

>My all-in-one Sony mini component system does that (it's
>about 14 years old).  I don't think it's a rotary encoder
>cause it has a definite start and end, and has no detents
>(very smooth).  But altering the volume on the remote will
>change the physical position of the rotary knob.  Has a
>cool little LED on it too, to indicate the setting/position.

Look up ALPS and other motorized potentiometer units. Available as spare
parts eveyrwhere. DC motor with gears and slipclutch drives twin
potentiometers.

Peter

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