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.

Here is how to create a smart brightness-controlled lamp with motion sensor. It works only when the motion is detected and has two modes.

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

Make sure the adjustment knobs for sensitivity and on-time for the motion sensor are facing up so you can modify how sensitive your device is and how long it stays on to signal your Arduino.

A gangly-looking motion detector floodlight is fine for scaring off a backyard ... Simply choose the method that will make running cable easier. If your sensor will be placed close to the switch, the ...

Think of motion sensors, and your first thought probably goes to security. An intruder enters your property, the sensors detect them, and floodlights snap on. The same principle applies for ...

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