HC-SR501 PIR Motion Sensor Module

The HC-SR501 PIR Motion Sensor Module is a highly efficient and versatile sensor designed to detect motion using passive infrared technology. It is widely used in various applications, including security systems, automation projects, and energy-saving devices. This module is capable of detecting human or animal presence by sensing the infrared radiation emitted by their bodies. With its adjustable sensitivity and delay time, the HC-SR501 offers reliable and customizable performance for a wide range of projects.

Specifications

• Model: HC-SR501
• Operating Voltage: 4.5V to 20V DC (typically 5V)
• Output Voltage: High (3.3V) when motion is detected, Low (0V) when idle
• Detection Range: Up to 7 meters (23 feet)
• Detection Angle: 120 degrees
• Operating Modes: Repeatable (H) and Non-Repeatable (L)
• Sensitivity Adjustment: Adjustable via potentiometer
• Delay Time Adjustment: Adjustable via potentiometer (from 5 seconds to 5 minutes)
• Power Consumption: 65mA
• Operating Temperature: -20°C to +80°C
• Dimensions: 32mm x 24mm x 25mm

Features

• Wide Voltage Range: Can operate within a voltage range of 4.5V to 20V, making it suitable for various power sources.
• High Sensitivity: Capable of detecting even slight movements within its range.
• Adjustable Settings: Sensitivity and delay time can be easily adjusted using the onboard potentiometers.
• Dual Operating Modes: Offers both repeatable and non-repeatable modes for different application needs.
• Low Power Consumption: Consumes only 65mA, making it energy-efficient.
• Compact Design: Small and lightweight, easy to integrate into various projects.

Applications

• Security Systems: Ideal for motion detection in security alarms and surveillance systems.
• Home Automation: Can be used to automate lighting, heating, and other home appliances.
• Energy Saving: Helps in reducing energy consumption by turning off devices when no motion is detected.
• Robotics: Useful in obstacle detection and navigation for robots.
• DIY Projects: Perfect for hobbyists and makers working on various electronic projects.