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.

Outdoor light motion sensors can add a healthy level of security to your home. Here's how to set them up.

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).

I recently had to build an infrared close proximity sensor that could tell if something was dropped in a parcel delivery drop box. After some searching, I ...