RD-03L_V2 Human Presence Radar Sensor Module

Overview

RD-03L_V2 Human Presence Radar Sensor Module – 24GHz mmWave Motion Detection Sensor

The RD-03L_V2 Human Presence Radar Sensor Module is a compact 24GHz mmWave radar sensor designed for highly accurate human presence, motion, and occupancy detection. Unlike traditional PIR sensors, the RD-03L_V2 can detect both moving and stationary people, making it ideal for smart automation and IoT applications.

Using advanced millimeter-wave radar technology, the module offers reliable detection in various lighting conditions and is less affected by temperature changes, smoke, dust, or darkness. With its UART serial interface, it can be easily integrated into Arduino, ESP32, STM32, Raspberry Pi, and other microcontroller-based systems.

Whether you're building a smart home, occupancy detection system, or energy-saving automation project, the RD-03L_V2 provides fast, accurate, and dependable human presence sensing.

Key Features

• 24GHz mmWave radar technology
• Detects human presence and motion
• Can detect stationary and moving people
• High sensitivity and fast response
• Compact and lightweight design
• UART serial communication
• Low power consumption
• Reliable performance in low light and challenging environments
• Compatible with Arduino, ESP32, STM32, Raspberry Pi, and other microcontrollers

Technical Specifications

• Model: RD-03L_V2
• Radar Frequency: 24GHz mmWave
• Detection Type: Human Presence & Motion
• Communication Interface: UART (TX/RX)
• Operating Voltage: 3.3V – 5V DC
• Detection Range: Up to 6 meters (depending on installation and environment)
• Detection Angle: Wide-angle coverage
• Power Consumption: Low power
• PCB Color: Black

Why Choose the RD-03L_V2?

Unlike infrared motion sensors that only detect movement, the RD-03L_V2 can continue detecting a person even when they are sitting or standing still. This makes it perfect for applications where accurate occupancy detection is essential.

It offers:

• Better accuracy than traditional PIR sensors
• Detection through darkness and low-light conditions
• Stable performance with minimal false triggers
• Easy integration into smart automation systems

Applications

• Smart home automation
• Occupancy detection
• Automatic lighting control
• Smart offices and meeting rooms
• Security and alarm systems
• Energy-saving building automation
• Smart toilets and bathrooms
• IoT and embedded systems
• Robotics and interactive projects

Package Includes

• 1x RD-03L_V2 Human Presence Radar Sensor Module

Advantages

• Detects both stationary and moving people
• High accuracy and fast response
• Compact and easy to integrate
• Low power consumption
• Works in complete darkness
• Suitable for residential, commercial, and industrial automation