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.

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.

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

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 ...

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

Like the Arduino and Raspberry Pi before it, the ESP8266 is a device that’s opening up whole new areas of hacking and development that simply weren’t as practical or cost-effective as previously.

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 ...

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