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Stepper or Servo Drive for Vintage Dials

New internals for an old tacho

Stepper or Servo Drive for Vintage Dials
Moving coil instruments are relics from an earlier electronic era and no longer in keeping with the times, yet visually they can still be attractive. Contrastingly modern displays are highly functional and generally unsightly. So what’s to stop us from equipping an old needle-pointer instrument with modern innards?
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