Adjustable sensitivity potentiometer enables fine-tuning of detection range for accurate motion sensing
Delay potentiometer allows users to set how long the output remains active after motion detection
Digital output provides clear, reliable event signals for easy integration with microcontrollers
Compatible with Arduino and other microcontroller platforms for versatile prototyping
Fresnel lens defines the detection field, improving accuracy in targeted areas
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HC-SR501 PIR Motion Sensor - Adjustable Infrared Motion Detection Module for Arduino and IoT Projects
The HC-SR501 PIR motion sensor module detects human and animal movement by sensing changes in infrared radiation. It is a practical trigger module for security alarms, automatic lighting, occupancy detection, camera wake-up circuits, and