The term passive refers to the fact that PIR devices do not generate or radiate any energy for detection purposes. It works entirely by detecting the energy given off by other objects.The D204B PIR ...

My Initial tests (using the regulated 5VDC power supply) found it works well enough for my needs. In my quick estimation, the Grove-mini PIR motion sensor module (v1.0) is a compact and cost effective ...

The ELK-6032 Two-Way Wireless Outdoor PIR Motion Sensor is the ideal wireless solution for perimeter detection, spot/area detection, or for immediate perimeter/boundary detection directly on a ...

Motion sensing technology has made huge advances since the introduction of PIR (Passive InfraRed) and MW ... making motion detectors and sensors more affordable and deployable for more applications .

The iWAVE 2-Way 12M PIR/PET Wireless Detector is a stylish wall mount passive infrared detector with PET immunity up to 36kg (80Ib) ideal for homes, offices and small commercial installations. Climax ...

Smart home sensors don't just help keep you safe -- with the right tricks they can spot pest activity and entrances, too.