Making RPM Counter (Tachometer) with IR Module --> (RPM Measurement with Arduino) Create an RPM counter (tachometer) with Arduino using an IR sensor and LCD module. This project calculates RPM based ...

Arduino_tachometer_with_stoboscopic_effect The purpose of this tool is to measure any rotation speed with the same accuracy as a commercial product, it can also blink at afrequency defined by the user ...

This tutorial will guide you through the process of building a tachometer around an Arduino. Tachometers are used to measure rotation rate in Revolutions Per Minute (RPM). You don’t need much… ...

He put it all together on proto-board, although soldering the FM radio module was a bit tricky. The Arduino code is quite simple, and available for download (zip file).

This comprehensive Arduino RFID tutorial teaches you how to interface RFID (Radio Frequency Identification) technology with Arduino microcontrollers using the popular RC522 RFID module. Arduino RFID ...