Every Hot Rod should have a tachometer, and if yours didn't come with one you've got a ton of options. With a Benjamin as the budget, we decided to test seven models from Summit Racing to see how ...

The SpeedTalker DN (UI) DeviceNet shaft-speed tachometer converts pulse-train frequencies from a wide range of single-ended or differential, single-channel, or quadrature sensors into rpm units.

Ever since the first race cars were built, it's been helpful for drivers to know their engine speed. It may sound obvious, but engine power is always a function of engine speed, so accurately knowing ...

The 2022 Nissan Frontier was unveiled last week and on first impressions, it appears to be far superior to the outgoing model. However, there is one oddity that has caught the attention of some social ...

This tutorial will guide you through the process of building a tachometer around an Arduino. Tachometers are used to measure rotation rate in Revolutions Per Minute ...

For decades, the gauge cluster of a German car was a thing of functional beauty. Clean design placed an emphasis on legibility above all else. In recent years, however, the rise of LCD screens ...

If you’re into anything even vaguely mechanical on the broad hacking spectrum, you’ve come into contact with things that spin. Sometimes, it’s important to know precisely how fast they are spinning!

Have you tried buying a '68-'70 instrument cluster with the 140-mph speedometer and 8,000-rpm tach recently? More than likely, your wallet hurts just thinking about it. Today's treasured 140/8,000 ...