Safehome.org on MSN

How Does a Motion Detector Work?

First developed for World War II, motion detectors have come a long way from the radar that pilots used way back then.
Motion sensors are a useful way to automate lights and other tasks in your smart home.
This article is sponsored by Aqara. Product choices and opinions expressed are from the sponsor and do not reflect the views of Android Police editorial staff. When it comes to smart home automation, ...