Create an RPM counter (tachometer) with Arduino using an IR sensor and LCD module. This project calculates RPM based on sensor interrupts and displays the result on a 16x2 LCD. Perfect for measuring ...

You can create a release to package software, along with release notes and links to binary files, for other people to use. Learn more about releases in our docs.

Hello everyone! Today I’m going to discuss a cheap type of useful digital rotation per minute counter (Digital RPM Counter). The 4-Digit LED Display RPM comes with a magnetic proximity sensor switch.

Firstly, the ebay claim that it would be shipped from somewhere in the UK turned out to be false, and it took a day or two longer than the maximum estimated delivery time to arrive from the Far East – ...

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 ...