Raspberry PI - 적외선 센서 응용 (infrared light sensor) with HC-SR501

HC-SR501 PIR Motion Detector - Product Description (Manual)

https://www.mpja.com/download/31227sc.pdf

Interfacing HC-SR501 PIR Motion Sensor with Raspberry Pi

Python Program Example Code

https://electrosome.com/pir-motion-sensor-hc-sr501-raspberry-pi/

https://www.modmypi.com/blog/raspberry-pi-gpio-sensing-motion-detection