- on Test & Measurement
- Published in issue 1/2015 on page 52
Stepper or Servo Drive for Vintage Dials
New internals for an old tacho
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?