In this captivating experiment, explore the fascinating world of electric motors and their magnetic rotors in motion.

It’s a fairly simple project, too: just hook an Arduino Uno up to a motion sensor and an electronic switch called a relay, then plug in your fan, and you’re good to go.

New electrical devices can add convenience as well as safety and security to your house.

An outdoor motion sensor light offers security and illumination. Our home security expert recommends six models, including battery- and solar-powered lights.

DIY electrical projects often take a lot of trial and error, and it's also important to test your connections and make sure everything is safe and working properly.