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.

The circuit shown in the figure below will have a display reading of “1999” for an input frequency of 33.33Hz (equivalent to 1999 rpm). The 0.0477µF capacitor (C1) should have a ...

Not only do tachometers look tough hanging from the dash, they also provide a needed service: monitoring the rpm. Keeping track of the Rs on your truck may not seem like a big deal unless you're a ...

RPM stands for revolutions per minute, and in cars, it measures how many times the engine’s crankshaft makes one full rotation every minute and how many times each piston goes up and down in its ...

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 ...

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 ...

If you are to have any success with a performance car, you need information—the more the better. Much of this information is locked away under the hood, just waiting to be let out. And a good set of ...