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.

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.

As the sun goes down, motion sensor lights automatically turn on when movement is detected. Using outdoor motion sensor ...

As for sensors, it has a light sensor and an optional 9-axis motion sensor, allowing for gesture sensing, proximity detection, and motion tracking.

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 your ...