PIR (Passive Infrared) Motion Sensor Module

The PIR (Passive Infrared) Motion Sensor Module is designed to detect motion by sensing changes in infrared radiation from people or animals. It provides a digital HIGH/LOW output, making it simple to integrate with Arduino, Raspberry Pi, ESP32, and other microcontrollers.
Ideal for home automation, security alarms, lighting control, and robotics, this sensor is highly sensitive yet energy efficient.

Its onboard lens and adjustable sensitivity/time-delay controls allow precise tuning for various applications, from automatic lighting to IoT motion alerts.

🔹 Key Features

• Passive Infrared Detection: Identifies human or animal movement.

• Digital Output: Simple HIGH/LOW signal for microcontrollers.

• Adjustable Sensitivity & Delay: Fine-tune detection distance and hold time.

• Wide Detection Angle: Up to 120° for large coverage.

• Low Power Consumption: Ideal for battery-powered devices.

🔹 Technical Specifications

• Operating Voltage: 4.5 V – 20 V DC

• Detection Distance: ~3 m – 7 m (adjustable)

• Output Type: Digital (HIGH = motion detected)

• Delay Time: 5 s – 200 s (adjustable)

• Detection Angle: ~120°

• Quiescent Current: <50 µA

• Operating Temperature: –15 °C to +70 °C

• Dimensions: Approx. 32 mm × 24 mm × 18 mm

• Interface Pins: VCC, OUT, GND

🔹 Applications & Use Cases

• Home & Office Security: Trigger alarms or cameras when motion is detected.

• Smart Lighting: Turn lights on automatically when someone enters a room.

• IoT Automation: Send notifications to a smartphone when motion occurs.

• Robotics: Enable autonomous movement or human-following functions.

• Energy Saving: Reduce power use by controlling appliances only when needed.

🔹 Advantages for Makers & Engineers

• Easy integration with Arduino and Accessories and Electronics Components.

• Compact design for DIY and commercial smart home solutions.

• Works with 5 V or 3.3 V logic, eliminating the need for level shifting.

🔹 Safety & Precautions

• Avoid direct sunlight or high-temperature environments to reduce false triggers.

• Keep sensor lens clean for accurate detection.

• Allow a 30–60 second warm-up after power-on for stable operation.

🔗 Helpful Internal Links

• Browse more Electronics Components for complementary sensors.

• Find Tools and Accessories for installation.

• Pair with Power Supply modules for stable performance.

🎥 Video Tutorial

[YouTube tutorial link here]

📝 Product Summary

The PIR Motion Sensor Module offers accurate, low-power infrared motion detection, making it perfect for Arduino, Raspberry Pi, IoT automation, security systems, and smart lighting projects.