![Amazon.com: HiLetgo 3pcs HC-SR501 PIR Infrared Sensor Human Body Infrared Motion Module for Arduino Raspberry Pi : Electronics Amazon.com: HiLetgo 3pcs HC-SR501 PIR Infrared Sensor Human Body Infrared Motion Module for Arduino Raspberry Pi : Electronics](https://m.media-amazon.com/images/I/51UVyABuL8L._AC_UF350,350_QL80_.jpg)
Amazon.com: HiLetgo 3pcs HC-SR501 PIR Infrared Sensor Human Body Infrared Motion Module for Arduino Raspberry Pi : Electronics
![HiLetgo 3pcs HC-SR501 PIR Infrared Sensor Human Body Infrared Motion Module for Arduino Raspberry Pi : Electronics - Amazon.com HiLetgo 3pcs HC-SR501 PIR Infrared Sensor Human Body Infrared Motion Module for Arduino Raspberry Pi : Electronics - Amazon.com](https://m.media-amazon.com/images/I/61vhG7QpOrL.jpg)
HiLetgo 3pcs HC-SR501 PIR Infrared Sensor Human Body Infrared Motion Module for Arduino Raspberry Pi : Electronics - Amazon.com
![Detecting motions using PIR motion sensor with Raspberry PI | by Maria Elijah | Geek Culture | Medium Detecting motions using PIR motion sensor with Raspberry PI | by Maria Elijah | Geek Culture | Medium](https://miro.medium.com/v2/resize:fit:1100/0*-pOiAY7iXvSML7qM.jpg)