SKU: IOWC-0004
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AI-Thinker Rd-03E 24GHz FMCW Radar Ranging UART Sensor

₹649.00 (Inclusive of all taxes)
Out of Stock

The AI-Thinker Rd-03E is a 24GHz FMCW radar sensor module featuring the S3KM111L chip for accurate human body sensing, ranging up to 6 meters, and gesture recognition. It supports UART communication for easy parameter adjustment, making it suitable for various IoT applications requiring precise presence detection.

Features

  • 24 GHz ISM band FMCW radar for robust environmental operation.
  • Detects moving and micro-moving human bodies up to 6 meters.
  • High-precision ranging: ±5 cm for 30-350 cm, ±5% for 350-600 cm.
  • Integrated gesture recognition with broad azimuth and elevation angles.
  • UART interface for streamlined configuration and data output.

Out of stock

Description

The AI-Thinker Rd-03E is a sophisticated 24GHz FMCW radar module, developed by Shenzhen AI-Thinker Technology Co., LTD. It integrates the silicon micro-S3KM111L chip, a single-chip millimeter-wave sensor SoC operating within the 24GHz K-band with up to 1 GHz modulation bandwidth. Leveraging advanced signal processing proprietary to the S3 series, alongside an MCU’s built-in intelligent presence sensing algorithm, this module delivers precise human body sensing, accurate distance measurement, and robust gesture recognition capabilities.

Developers can efficiently monitor real-time distance and gesture information using the provided host computer tool. The Rd-03E excels at detecting and identifying both moving and subtle micro-moving human bodies, reporting their real-time distances. Its ability to pinpoint targets and gestures within designated areas makes it highly versatile for a wide array of AIoT scenarios, offering strong real-time performance, high ranging accuracy, and flexible algorithm parameter configuration via its UART interface.

Key Features

  • DIP package for straightforward integration with 2.54mm pin headers.
  • Utilizes 24 GHz ISM band FMCW radar technology for robust detection.
  • Provides precise human body movement, micro-motion sensing, ranging, and gesture recognition.
  • Single-transmit, single-receive antenna design ensures high resolution and anti-interference.
  • Supports visual tools for configuring detection zones and sensitivity levels.
  • Achieves a 6-meter range for moving bodies and 3.5 meters for slight movements.
  • High-accuracy ranging: ±5 cm (30-350 cm) and ±5% (350-600 cm).
  • UART interface allows intelligent parameter adjustment via serial port.
  • Low power consumption with a single 5V supply.

Applications

  • Smart Home Automation (occupancy detection, lighting control)
  • Industrial IoT (machine presence, safety monitoring)
  • Elderly Care Monitoring (fall detection, vital signs)
  • Access Control & Security Systems
  • Energy Management (HVAC optimization based on occupancy)
  • Gesture-controlled interfaces and human-machine interaction

Technical Specifications

Microcontroller/SoCS3KM111L
Radar TechnologyFMCW
Frequency Band24 GHz ISM
Detection Range (Moving Body)Up to 6 m
Detection Range (Micro-Moving Body)Up to 3.5 m
Ranging Accuracy (30-350cm)±5 cm
Ranging Accuracy (350-600cm)±5%
Gesture Recognition Azimuth±20°
Gesture Recognition Elevation±40°
Supply Voltage5V
Communication InterfaceUART
Form FactorDIP Package

Frequently Asked Questions

How do I configure the AI-Thinker Rd-03E radar module?

The Rd-03E module is configured via its UART interface. Developers can use a serial port tool on a host computer to send AT commands or use the provided visual configuration tool to adjust parameters like detection distance intervals, sensitivity, and operating modes. This allows flexible customization for various application needs.

What is the typical power consumption and supply voltage for the Rd-03E?

The AI-Thinker Rd-03E requires a single 5V power supply for operation. While specific operating and sleep currents are not detailed, 24GHz FMCW radar modules are generally designed for low power, making them suitable for continuous sensing applications in IoT devices where efficient energy use is important.

Can the Rd-03E distinguish between different types of movement?

Yes, the Rd-03E utilizes advanced signal processing and intelligent algorithms to differentiate between moving and micro-moving human bodies. It can detect significant motion up to 6 meters and subtle movements, like breathing, up to 3.5 meters, providing precise occupancy and presence detection capabilities.

What development platforms are compatible with the AI-Thinker Rd-03E?

The Rd-03E communicates primarily via a standard UART interface, making it compatible with a wide range of microcontrollers and development boards, including Arduino, ESP32, Raspberry Pi, and other embedded systems. Developers can integrate it into their projects by implementing serial communication protocols.

Does the Rd-03E module require an external antenna?

No, the AI-Thinker Rd-03E radar module features an integrated PCB antenna. This 1-transmit, 1-receive antenna is designed with a narrow beam for high resolution and anti-interference, simplifying integration by eliminating the need for external RF components or complex antenna impedance matching.

Package Includes

  • 1 x AI-Thinker Rd-03E 24GHz FMCW Radar Ranging UART Sensor Module

Additional Information

Weight 0.005 kg
Dimensions 9 × 7 × 2 cm