In this tutorial, I’ll explain how an optocoupler works and how to build a tachometer or rpm counter using an optocoupler with Arduino.
View More Build Tachometer or RPM counter using Optocoupler with ArduinoIn this tutorial, I’ll explain how an optocoupler works and how to build a tachometer or rpm counter using an optocoupler with Arduino.
View More Build Tachometer or RPM counter using Optocoupler with Arduino