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Find code and diagrams at: https://www.EliTheComputerGuy.com

PIR Sensors (Passive Infrared) are the standard sensors used for motion detection. They offer a wide field of view and are easy to configure, but offer only HIGH/LOW output and are not overly accurate.

Functional Parts in the Project:

Arduino Uno – https://store.arduino.cc/usa/arduino-uno-rev3
PIR Sensor (HC-SR501) – https://amzn.to/2Yv3Lnu
560 Piece Jumper Wire Kit – https://amzn.to/2MsCLjL