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.

Detecting wavelengths beyond visible light—for instance, infrared light—offers clear advantages. Case in point is cameras in autonomous vehicles that ‘see’ through smoke or fog and cameras that unlock ...

An Infrared close object sensor installed on an industrial vehicle detects objects or pedestrians located in a hazardous area. When it detects a problem an audio/visual indicator makes an alert, that ...