Ultrasonic Sensor HC-SR04
$3
HC-SR501 PIR Infrared Sensor – Human Body Motion Detection Module
$3
The HC-SR501 PIR Motion Sensor Module is a passive infrared sensor designed for human body motion detection. It detects infrared radiation emitted by moving objects and triggers an output signal, making it ideal for security systems, automatic lighting, and motion-activated projects.
The HC-SR501 PIR Infrared Motion Sensor is a widely used motion detection module that senses infrared radiation changes in its field of view. It features an adjustable sensitivity range (up to 7 meters) and a configurable delay time, making it perfect for automated systems like security alarms, lighting control, and smart home applications.
This module uses a high-precision pyroelectric infrared sensor and integrates a BISS0001 motion detection chip, ensuring stable and accurate motion detection. It operates on 5V to 20V, making it highly versatile for various projects.
Key Features:
✅ Human Motion Detection – Detects body movement using passive infrared (PIR) technology.
✅ Adjustable Sensitivity & Delay – Customizable detection range (3-7m) and time delay (5s-5min).
✅ Wide Operating Voltage – Works with 5V to 20V DC power supply.
✅ Low Power Consumption – Energy-efficient, ideal for battery-powered applications.
✅ Compact & Easy to Use – Plug-and-play with simple 3-pin connection (VCC, OUT, GND).
✅ Wide Applications – Used in security alarms, motion-activated lights, automatic doors, IoT systems, and robotics.
Perfect for home automation, security systems, and motion-based electronic projects.
