Defense contractor Anduril has unveiled a new family of passive infrared sensors called Iris that ... primarily for ground-based and shipboard applications, including as part of counter-drone ...

Particulate content in the air? There’s a sensor for that, too. Someone sneaking up on you? Get yourself some passive infrared sensors (PIRs) and maybe a smart camera just to be sure.

The video demonstrates how to wire up a Passive Infrared Sensor (PIR) using 4-core security cables. All Gallagher inputs are balanced 4-state inputs and must have two 4k7 resistors wired at the device ...

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 ...

(Passive InfraRed sensor) A device used to detect motion ... PIR sensors are used for applications such as automatically turning on lights when someone enters a room or causing a video camera ...