On a three-way, there’s an extra terminal, called the “common.” Power comes in to the switch on the common, then two “traveler” wires connect the first switch to the second on the brass ...

In the cases below, you can purchase a completed sensor and connect it to at least one major smart home hub: SmartThings, Google Home, Apple Homekit, Amazon Alexa or Home Assistant.

If you can install a conventional outdoor light fixture, you can install a motion sensor light, although aiming and adjusting it takes extra effort. The post How To Install Motion Sensor Lights ...

The Aqara Presence Sensor FP2 is the most versatile of the motion/presence sensors that Aqara has to offer, thanks to its powerful hardware and sophisticated software design.