RCWL-0516 Microwave Doppler Radar Motion Detector Sensor Module

The RCWL-0516 Doppler Radar Motion Sensor is an advanced microwave-based motion detection module that uses 3.2 GHz radar technology to detect movement with high accuracy. Unlike PIR sensors, the RCWL-0516 can detect motion through plastic, acrylic, wood, and thin walls, providing better coverage and sensitivity.

This module is widely used in LED lighting automation, security alarms, smart home projects, and IoT systems. It works seamlessly with Arduino, NodeMcu, and Raspberry Pi, making it a reliable choice for hobbyists, engineers, and product developers.

✨ Key Features

• Microwave Doppler Radar technology (3.2 GHz)

• High sensitivity & long detection range (5–7 meters)

• Detects motion through non-metallic materials

• Wider detection angle than traditional PIR sensors

• 360° omnidirectional sensing (no blind spot)

• Compatible with Arduino, NodeMcu, Raspberry Pi

• Ideal for automation, lighting, alarms & IoT

🔧 Technical Specifications

🛠 Applications

Smart Home & Automation

• Automatic lighting (LED strip, room lights, stair lights)

• Touchless switches

• Home entry detection

• Energy-saving smart systems

Security Systems

• Motion-triggered alarms

• Door/window motion detection

• Perimeter detection

• Object tracking systems

Electronics & IoT Projects

• Arduino automation
  👉 https://electroway.org/product-category/arduino-and-accessories/arduino-boards/

• NodeMcu smart motion detection
  👉 https://electroway.org/product-category/iot-and-smart-solutions/iot-modules/nodemcu/

• Raspberry Pi smart home monitoring
  👉 https://electroway.org/product-category/electronic-accessories/mounts-and-cases/raspberry-pi-mounts-and-cases/

⚠ Precautions

• Avoid placing near strong wind, high humidity, or metal surfaces.

• Metal objects can block or reduce microwave detection range.

• Use stable power supply for better performance.

• Keep module away from transformers or high electromagnetic devices.

• Do not use in areas with constant vibration.

🔗 Internal Category Links

• Electronics Components: https://electroway.org/product-category/electronics-components/

• Arduino & Accessories: https://electroway.org/product-category/arduino-and-accessories/

• Tools & Accessories: https://electroway.org/product-category/tools-and-accessories/

• ICs: https://electroway.org/product-category/ics/

• Drones: https://electroway.org/product-category/drones/

🎥 YouTube Tutorial Video

Watch Video:https://www.youtube.com/shorts/5J1Jlr2JGtM

4. Product Summary

The RCWL-0516 Microwave Radar Motion Sensor provides reliable, long-range, non-contact motion detection using 3.2GHz Doppler radar. Ideal for lighting automation, security alarms, and IoT smart home projects. Fully compatible with Arduino, NodeMcu, and Raspberry Pi.