Let me introduce another simple microcontroller-based do-it-yourself circuit that detects motion and excites a light source in a flash. The “snooper” here is an ordinary passive infrared (PIR) motion ...

It is likely that many of us will at some time have experimented with motion detectors. Our Arduinos, Raspberry Pis, Beaglebones or whatever will have been hooked up to ultrasonic or PIR boards which ...

Are you a beginner and want make something out of interest? Well, this is one project that would help you grasp the basics of electronics. Just follow the instructions given and learn how to make a ...

We know that measuring the speed of light with an Arduino is possible. It’s just that the implementation is hard. [Udo] hit upon the idea of pulsing a laser pointer and measuring the time of the ...

If you’d like to monitor noises around your home or in your local facility you might be interested in an innovative project created by Christopher Cooper. Who noticed a substantial increase in the ...

October 20, 2015 Add as a preferred source on Google Add as a preferred source on Google One of the essential parts of any home security system is a door detector that lets you know when a door opens.