This Arduino based little digital tachometer was originally created for counting the speed of turntables and fidget spinners. There is another application to consider – a rear wheel tachometer for ...

A Nixie tachometer is new to us. We’ve seen tons of various displays, but not a tachometer. After having extensive annoyances with the factory ignition timing system in his totally awesome ...

Just make sure you modify the code for the correct number of cylinders in your vehicle. Simple, cheap, effective – even if it is more of a shift point indicator than true tachometer, it gets the ...