Description

Technical Specifications

• Sensor Type: PIR (Passive Infrared) Motion Sensor
• Model Number: HC-SR501
• Operating Voltage: 5V – 12V DC
• Output Type: Digital (High / Low)
• Detection Range: Up to 5 meters (adjustable)
• Detection Angle: ~120°
• Delay Time: Adjustable (Approx. 3 – 300 seconds)
• Trigger Modes: Repeatable / Non-Repeatable
• Output Signal Level: 3.3V TTL
• Quiescent Current: < 50µA
• Operating Temperature: -15°C to +70°C
• Compatibility: Arduino, Raspberry Pi, ESP8266, ESP32
• Applications: Motion Detection, Security, Automation

Product Description

The PIR (Passive Infrared) Motion Sensor Detector Module HC-SR501 is a highly reliable sensor designed to detect human and animal motion by sensing changes in infrared radiation. It is widely used in security systems, automatic lighting, alarm systems, and IoT automation projects.

With adjustable sensitivity and delay time, the HC-SR501 allows precise tuning for different environments. Its digital output makes it easy to interface with popular microcontrollers like Arduino, ESP32, ESP8266, and Raspberry Pi. Compact, low-power, and beginner-friendly, this PIR motion sensor is ideal for DIY electronics, robotics, and smart home applications