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 ...

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 ...

Continue reading “Quick Arduino Hack Lets Tach-less Car Display Shift Points”→ Posted in Arduino Hacks, Transportation Hacks Tagged arduino, rpm, serial, shift point, tachometer ...