Q: My Ford had a dead battery. When I jumped it, the speedometer stuck at 160 miles per hour and the tachometer is stuck at 6,000 RPMs. What can I do? Car Doctor: How to spot a 'flood' car before you ...

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A tachometer used to be an accessory added to the dash of only the sportiest of cars, but now they’re pretty much standard equipment on everything from sleek coupes to the family truckster. If your ...

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 ...

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 ...

Yeah, it might be a nerdy gearhead thing, but as enthusiasts we want a lot of information about what our cars are doing. Unfortunately, the manufacturers don't quite see it our way, so cars are ...

Aftermarket tachometers have been around for decades but in our market segment we've seen a paradigm shift away from the monster-tachs of days gone by to newer, lighter, more precise units. The aim is ...

A 555 is configured as a monostable or one shot in this project. The period of the 555 is determined by the 47k and the capacitor from pin 6 to ground (100n). A 555 is configured as a monostable or ...