Sometimes, projects start in somewhat unlikely ... Get close enough to this raven and you’ll set off the PIR sensor, which triggers lighting and sound effects, including some spooky glowing ...

(Passive InfraRed sensor) A device used to detect motion by receiving ... and sends a signal. PIR sensors are used for applications such as automatically turning on lights when someone enters ...

As an example, [Circuit Valley] has an IKEA Vallhorn motion sensor for a teardown, it’s as you might expect, a passive infrared sensor (PIR) sensor coupled with a Zigbee interface. Inside the ...

Sometimes the most utilitarian and smallest thing can make the biggest difference in your bathroom. With proper light, there are fewer accidents while trying to navigate in the bathroom at night.