Arduino RPM Counter (Tachometer) 🚀 This project implements a digital tachometer using an Arduino Uno, an IR sensor, and an I2C 16x2 LCD display. It calculates rotations per minute (RPM) of a rotating ...

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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.

The parts arrived for the RPM meter that uses an Arduino and reciprocal counting to get a three-times-a-second update rate with 1rpm resolution. Arduinos ...

Posted in Arduino Hacks, Transportation Hacks Tagged arduino, rpm, serial, shift point, tachometer ← A Different Sort Of Word Clock ...