HC-SR501 PIR Motion Sensor Module

The HC-SR501 PIR Motion Sensor is a compact and reliable motion detection module designed for Arduino, ESP32, ESP8266, Raspberry Pi, and other microcontroller-based projects. It detects movement by sensing changes in infrared radiation emitted by humans and other warm objects. This PIR sensor is ideal for automatic lighting, security alarms, smart home systems, robotics, IoT projects, and energy-saving applications. Its adjustable sensitivity and time-delay controls make it easy to configure according to your project requirements. Key Features Sensor Type: PIR (Passive Infrared) Model: HC-SR501 Operating Voltage: 5V–20V DC Detection Range: Approximately 3–7 meters Detection Angle: Approximately 120° Adjustable Sensitivity: Yes Adjustable Time Delay: Yes Trigger Modes: Repeatable and non-repeatable Output: Digital HIGH/LOW signal Suitable for: Arduino, ESP32, ESP8266, Raspberry Pi and other controllers Low power consumption Compact and easy-to-install module Applications 🚨 Security alarm systems 💡 Automatic lights 🏠 Smart home automation 🤖 Robotics projects 🌐 IoT motion detection 🚪 Automatic doors 🔋 Energy-saving lighting systems 📷 Motion-activated surveillance projects