Overview
The HC-SR501 PIR (Passive Infrared) Sensor is a motion detection module that senses infrared energy emitted by humans and animals, making it ideal for security systems, automatic lighting, and other motion-activated devices. It’s designed for easy integration with microcontrollers and works by detecting changes in infrared levels within its range.
Features
- Motion Detection: Detects human or animal movement within its range
- Adjustable Sensitivity: Configurable detection distance and duration
- Low Power Consumption: Suitable for battery-operated applications
- Easy Interface: Outputs a digital signal, compatible with most microcontrollers
Specifications
- Operating Voltage: 4.5V to 20V DC
- Detection Range: Up to 7 meters (adjustable)
- Detection Angle: 100° horizontal
- Delay Time: Adjustable from 5 seconds to 5 minutes
- Output: Digital high/low signal