IR sensors rely on an emitter (IR LED) and a detector (photodiode or photoresistor) to measure infrared light and convert it ...

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 ...

If a burglar breaks a window and no sensor is around to detect it, does it make a sound? Maybe it does, maybe it doesn’t — but it definitely won’t alert your home security system. That’s why it’s so ...