TK has combined a PIR with an Arduino to create a smart safety light for the house or workshop. Follow along as this gets built out into a more extensive project.

Blinding light, guiding light, or something in between, the best outdoor motion sensor lights make sense as a home accessory.

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

Philips Hue motion sensor turns lights on for you All for the sake of convenience (and, let's be real, laziness).