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 whi… ...

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… ...

NEW YORK-- (BUSINESS WIRE)--Aqara, a leading provider of smart home products, announced the launch of its new Motion Sensor P1, an updated model of the best-selling Aqara Motion Sensor.