Description :
The HC-SR501 PIR Motion Sensor Module is a highly reliable and widely used sensor for detecting human motion. It works by sensing changes in infrared radiation emitted by the human body, making it ideal for security systems, automatic lighting, and smart home applications.
This module features a pyroelectric sensor combined with advanced signal processing circuitry and a Fresnel lens, allowing it to detect motion within its range efficiently. It is designed for easy integration with Arduino, Raspberry Pi, and other microcontroller platforms.
With adjustable sensitivity and delay time, the HC-SR501 gives you full control over detection range and output timing, making it suitable for a wide range of DIY and professional projects.
Specification :
| Parameter | Specification |
|---|---|
| Product Type | PIR Motion Sensor Module |
| Model Number | HC-SR501 |
| Operating Voltage | 4.5V – 20V |
| Average Current | 0.06 mA |
| Detection Range | 3 m – 7 m |
| Detection Angle | < 140° |
| Output Type | Digital (High/Low), 3.3V TTL |
| Delay Time | 5s – 200s (Adjustable) |
| Operating Temperature | -20°C to 80°C |
| Dimensions (L × W × H) | 32 × 24 × 18 mm |
| Weight | 10 g |
| Shipping Weight | 0.015 kg |
| Package Dimensions | 4 × 3 × 1 cm |
Features :
- PIR Motion Detection Technology: Detects human movement using infrared sensing
- Adjustable Sensitivity: Detection range can be adjusted from 3m to 7m using onboard potentiometer
- Adjustable Delay Time: Output hold time adjustable from 5 seconds to 200 seconds
- Built-in Control Circuit: Stable and accurate motion detection with onboard processing
- Blockade Time Protection: Default 2.5 seconds delay to prevent false triggering
-
User-Friendly Tuning:
- Turn right → Increase sensitivity & detection distance
- Turn left → Decrease sensitivity & detection distance
-
Flexible Time Control:
- Turn right → Increase delay time
- Turn left → Decrease delay time
- Reliable Performance: Designed for consistent operation in automation and security systems
- Easy Integration: Compatible with Arduino, Raspberry Pi, and other microcontrollers
Package Included :
1 X PIR Motion Detector HC-SR501 for Smart Home & Security Systems
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