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 ...

We’re still not sure exactly how [connornishijima]’s motion detector works, though many readers offered plausible explanations in the comments the last time we covered it. It works well enough, though ...

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 ...

You know how when you were a kid, the box something came in was almost as fun as the toy itself? Well, that doesn't have to change as you get older -- provided you've retained that creative spark. Ben ...