How to make AC Tester | Mains Voltage Detector Circuit | DIY
Introduction, Hi and welcome back to a new tutorial. In this tutorial we are going to make this simple 3 Transistor contact less Mains voltage detector circuit. And understand how…
How to Make Vibration Sensor | DIY
Introduction, I needed a way to sense vibration for one of my upcoming project. It can be easily done by a Spring vibration sensor but instead of spending Few $$…