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PIR HC-SR501 Motion Sensor Module
PIR HC-SR501 Motion Sensor Module
KShs 400.00
HC-SR501 PIR Motion Sensor Module for Arduino, ESP32, STM32, Raspberry Pi, IoT, smart automation, and security projects. Features adjustable sensitivity, delay timing, and reliable infrared motion detection.
The HC-SR501 PIR Motion Sensor Module is a reliable infrared motion detection sensor designed for human presence and movement detection in automation, security, robotics, and IoT applications. Using Passive Infrared (PIR) technology, the module detects changes in infrared radiation caused by moving people or animals within its detection range.
The HC-SR501 is widely used with Arduino, ESP32, STM32, Raspberry Pi, and other microcontroller platforms for smart lighting, security alarms, occupancy detection, and Home Assistant automation projects.
Key Features
- Passive Infrared (PIR) motion detection
- Adjustable sensitivity and delay time
- Wide detection range
- Low power consumption
- Digital HIGH/LOW output
- Compatible with Arduino, ESP32, STM32, Raspberry Pi, and ESP8266
- Ideal for smart automation and security systems
- Built-in Fresnel lens for enhanced detection
- Supports repeatable and non-repeatable trigger modes
- Easy 3-pin interface connection
Technical Specifications
| Parameter | Value |
|---|---|
| Sensor Type | Passive Infrared (PIR) |
| Model | HC-SR501 |
| Operating Voltage | 5V – 20V DC |
| Output Voltage | 3.3V TTL |
| Detection Distance | 3 – 7 meters (adjustable) |
| Detection Angle | Up to 120° |
| Delay Time | Adjustable (5s – 300s) |
| Trigger Modes | Repeatable / Non-repeatable |
| Power Consumption | Low Power |
| Interface | VCC, OUT, GND |
Pin Configuration
| Pin | Description |
|---|---|
| VCC | Power Supply |
| OUT | Digital Output Signal |
| GND | Ground |
Applications
- Motion detection systems
- Smart lighting automation
- Security alarm systems
- Home automation projects
- IoT motion sensing
- Human presence detection
- Automatic door systems
- ESP32 and Arduino projects
- Occupancy monitoring
- Robotics and automation
Why Choose the HC-SR501?
- Easy to integrate with microcontrollers
- Adjustable detection range and delay
- Stable and reliable motion sensing
- Ideal for beginners and professionals
- Suitable for low-power automation projects
- Commonly used in Home Assistant integrations
- Affordable and widely supported
Package Includes
- 1 × HC-SR501 PIR Motion Sensor Module
