What is a motion detector?

Answer A motion detector is a device that can detect movement within its field. The movement can trigger a door opening, like when grocery store doors open, or sound an alarm or signal lights to come on w... Read More »

Top Q&A For: What is a motion detector

What is a good wireless motion alert detector with audible alarm?

Inside I assume. Go to Lowes or Home Depot. They have the type you want and it comes with a remote to cut it off when needed. I have high ceilings and the remote is handy.Do make sure you're really... Read More »

Who invented the motion detector?

Leon Theremin was the Russian inventor of the motion detector. In the 1920s, Theremin created a device containing a sensor that could identify when a body approached. Theremin used this motion dect... Read More »

How to Make a Motion Detector?

This article would benefit from step-by-step photos. You can help wikiHow by adding photos to this article. Click here for instructions. Notice added on 2008-03-07.You’re sleeping or your back is... Read More »

Who made the motion detector?

Motion detectors are any contraptions, including a line of string, that signal the presence of motion by moving or responding. Léon Theremin, a Russian inventor, was the first person to develop th... Read More »