Scienticy HC-SR501 PIR Motion Sensor Detector Module (Pack of 3) Electronic Components Electronic Hobby Kit

Scienticy- [A] Mini IR Pyroelectric Infrared PIR Motion Human Body Sensor Detector Module. The Passive Infrared Sensor (PIR) sensor module is used for motion detection.....[B] It is often referred to use “PIR”, “Pyroelectric”, “Passive Infrared” and “IR Motion” sensors......[C] The module has an onboard pyroelectric sensor, conditioning circuitry, and a dome-shaped Fresnel lens. It is used to sense the movement of people, animals, or other objects......[D] They are commonly used in burglar alarms and automatically activated lighting systems......[E] The PIR Motion Sensor Detector Module HC SR501 allows you to sense motion. It is almost always used to detect the motion of a human body within the sensor’s range. It is often referred to using “PIR”,.....[F] It has a delay time adjustment Potentiometer and sensitivity adjustment Potentiometer. Compatible with ARDUINO, RASPBERRY PI, AVR, PIC, 8051, etc.