Passive Infrared Sensor 03
Passive Infrared Sensor 03 : PIR-Based Motion Detector: A PIR motion detector used to control an outdoor, automatic light. A PIR-based motion detector is used to sense movement of people, animals, or other objects. They are commonly used in burglar alarms and automatically-activated lighting systems. They are commonly called simply "PIR," or sometimes "PID," for 'passive infrared detector'