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.

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

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

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

The built-in light sensor is also smart enough to measure ambient light so it knows when it's daytime and nighttime. This is important because the motion sensor can be configured to adjust ...

If there's a spot in your home that could benefit from some addition lighting, consider these rechargeable motion sensor lights.