Description
The HC-SR501 PIR Motion Sensor Module (Blue) is a reliable passive infrared sensor designed to detect human motion by measuring changes in infrared radiation levels.
It is widely used in DIY electronics, Arduino projects, home automation, and security systems. The module provides accurate motion detection and includes adjustable sensitivity and delay time, allowing you to customize its performance for different environments.
With low power consumption and a simple digital output, it can be easily interfaced with microcontrollers such as Arduino, ESP32, and Raspberry Pi.
This sensor is ideal for building motion-activated lights, alarm systems, and smart automation solutions.
Key Features
- Detects human motion using infrared technology
- Adjustable sensitivity and delay time
- Low power consumption
- Wide operating voltage range
- Easy integration with microcontrollers
- Compact and durable design
Technical Specifications
- Model: HC-SR501
- Operating Voltage: DC 5V – 20V
- Quiescent Current: < 50µA
- Output Voltage: 3.3V (HIGH), 0V (LOW)
- Detection Range: 3m – 7m (adjustable)
- Detection Angle: Approximately 120°
- Delay Time: 5 seconds – 5 minutes (adjustable)
- Trigger Mode: Repeatable / Non-repeatable
- Operating Temperature: -15°C to +70°C
- Sensor Type: Passive Infrared (PIR)
- Dimensions: Approximately 32mm × 24mm
Package Includes
- 1 × HC-SR501 PIR Motion Sensor Module (Blue)
Applications
- Motion-activated lighting systems
- Security and alarm systems
- Smart home automation
- Occupancy detection
- Robotics and IoT projects
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