HCSR501 PIR Motion Sensor Module for a wide range of motion detection projects, the HCSR501 delivers stable and reliable performance for both DIY and professional applications. Designed for ease of integration, it is a practical choice for automated systems in homes, offices, and embedded environments. Key Benefits and Features: Versatile Applications: Ideal for automated lighting control, security alarms, intruder detection systems, and motionactivated devices. Commonly paired with Arduino, Raspberry Pi, or other microcontroller platforms for hobbyist and industrial projects. Wide Voltage Range: Operates reliably between 4.8V and 20V, offering flexibility for different power configurations. Supports seamless use with Arduino boards, Raspberry Pi (including Pico and Pico W), RP2040 platforms, and other microcontrollers. Adjustable Detection Settings: Detection range can be manually set from 3 to 7 meters via onboard sensitivity adjustment, making it suitable for both smallspace monitoring and larger coverage areas. Simple Trigger Output: When movement is detected, the sensor outputs a clear signal for straightforward integration with existing circuit logic. Dual potentiometers allow finetuning of delay time and sensitivity for precise control in various environments. Reliable Performance: Designed to operate consistently across diverse ambient conditions, ensuring dependable motion sensing without false triggers in properly tuned setups. Example Use Scenarios: 1. Home automation lighting – Automatically turn lights on when someone enters a room, improving convenience and energy efficiency. 2. Security system activation – Detect motion in an entryway or restricted area and trigger alarms or alerts instantly. 3. Embedded device control – Integrate with robotics or interactive installations where motion sensing initiates programmed actions. Compact, easy to use, and compatible with a broad range of controllers, the HCSR501 PIR motion sensor is an essential component for effective motion detection solutions.