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

If you can install a conventional outdoor light fixture, you can install a motion sensor light, although aiming and adjusting it takes extra effort.

While PIR sensors can be used with Arduino and other microcontroller boards, those best-suited for hobby use are smart enough to perform simple tasks without any programming.

There's really not much to the motion sensor. The sensor shoots out an invisible light field that spans 100 degrees horizontally and 100 degrees vertically. Its blind spot is 180-degrees to its sides.

HomeKit motion sensors are a vital accessory when building a smart home than runs by itself without manually turning devices on and off.