News & Articles

Get started learning to build your own electronics by following our FREE online courses below!
Learn More »



Build Like A Pyro!
Find many of the parts used on this site at our favorite online electronics shop
Take Me To The Gadgetory!
Alarm Motion Sensor Switch

Posted August 24, 2010 by Chris

I’m sure we’ve all seen the security motion sensors in the corner of the walls of our arch-enemies’ homes, so why not learn how it works? This project takes a look at how to use a PIR motion sensor to switch on/off virtually anything, from an alarm to water sprinklers!

Leave a Reply