Description

The HC-SR501 PIR Motion Sensor Module detects motion based on infrared radiation emitted by humans or animals. It’s a widely used and affordable solution for motion-activated lighting, alarms, and automation systems.

With adjustable sensitivity and delay time, it’s perfect for smart homes, security projects, and energy-saving applications. It can be easily interfaced with any microcontroller or relay module.

Features:

1. Detects infrared radiation from moving human bodies

2. Adjustable detection sensitivity and delay time

3. Low power consumption

4. Digital output: HIGH when motion is detected

5. Simple 3-pin interface (VCC, OUT, GND)

Specifications:

• Operating Voltage: 4.5V to 20V

• Detection Range: 3–6 meters

• Detection Angle: ~120°

• Output: Digital HIGH/LOW (3.3V level)

• Delay Time: 0.3s to 5 minutes (adjustable)

• PCB Size: ~32mm x 24mm

• Ideal Working Temp: -15°C to +70°C

Package Includes:

1 x HC-SR501 PIR Motion Sensor Module