A passive infrared sensor (PIR sensor) is an electronic sensor that measures infrared (IR) light radiating from objects in its field of view. They are most often used in PIR-based motion detectors.

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 ...

Key Takeaways Infrared IR waves are part of the electromagnetic spectrum crucial for various applications by detecting thermal energy emitted by objects IR sensors can be classified as active emitting ...

A good source of hackable home automation parts has come for a while in the form of inexpensive modules offered by large ...

(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.

The IS-2260 Passive Infrared Motion Sensor provides reliable detection with pet immunity up to 40 pounds and is ideal for both residential and light commercial applications. Optimum performance is ...