During the Samsung Galaxy Unpacked event, Samsung announced plans to turn its SmartThings appliances into motion sensors ... a new version of its Map View which now uses generative AI to create ...

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 ...

But if you don’t need the value-added features such as a weather-resistant housing that can be chained to a tree, this DIY motion ... sensor is housed in a shroud to limit its wide field of view ...

(Passive InfraRed sensor) A device used to detect motion by receiving infrared radiation. When a person walks past the sensor, it detects a rapid change of infrared energy and sends a signal.