It is likely that many of us will at some time have experimented with motion detectors. Our Arduinos, Raspberry Pis, Beaglebones or whatever will have been hooked up to ultrasonic or PIR boards which ...

This is also named as continuity tester. It is an indispensable tool to check broken wires and undesired shorting of wires. This is also named as continuity tester. It is an indispensable tool to ...