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 project aims to create an automotive tachometer which will be used to measure the rotating speed of an engine crankshaft or main shaft. The project aims to create an automotive tachometer which ...

Powered by digital microprocessor-controlled rugged stepper motor drives • Seven LED illumination colors • Programmable warnings • Signal Playpack • Peaks • Built in data-logging on SD flash memory ...

Many CPU-usage widgets have stylistically borrowed from vehicles, displaying something mimicking the tachometer found in the dashboard. [Pat] took it a step further and tried his hand at re-borrowing ...

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 ...

Any high-performance engine needs to be cared for and properly monitored. Sometimes, factory gauges can be inaccurate or simply not specific enough for a modified car, so take a look at these ...