Human Micro-Motion Detection mmWave Sensor, 24GHz mmWave Radar, Based On S3KM1110, Adopts FMCW Technology

Human Micro-Motion Detection mmWave Sensor, 24GHz mmWave Radar, Based On S3KM1110, Adopts FMCW Technology

HMMD mmWave Sensor is a human micro-motion sensor that can detect and recognize moving, standing, and stationary human body. It is widely used in various AIoT scenarios, covering smart homes, smart security, smart businesses, and smart lighting, etc.

The HMMD-mmWave-Sensor is a human micro-motion sensor, adopts Frequency Modulated Continuous Wave (FMCW) technology to detect and identify moving, standing, and motionless human body. Combining radar signal processing with accurate human detection and ranging algorithms, supports configuring the sensibility for each range independently to improve anti-interference performance. Compact size, low power consumption, and easy integration, it can be widely used in AIoT scenarios such as Smart Home, Intelligent Security, Smart Business, and Intelligent Lights, etc.

User Manual / Datasheet / Example Codes Etc.

Features

• Comes with the Silicon Micro AIoT Millimeter-Wave Sensor SoC S3KM1110.
• Onboard high-performance 24GHz one-transmit-one-receive antenna and peripheral circuits.
• Mini module size: 20mm x 20mm.
• Pre-loaded with default human body sensing configuration, plug-and-play.
• Longest detection distance for motion human body sensing: 8.5m.
• Driven by the PY32F003F17U6TR microcontroller, with UART pins exposed for easy integration with Arduino/ESP32/JetsonNano and other main control boards.
• Utilizes human micro-motion sensing algorithms, millimeter-wave radar distance measurement technology, and advanced proprietary signal processing technology of the S3KM1110 chip.
• Provide online comprehensive supporting documentation (Raspberry/JetsonNano/Arduino/ESP32/sample demos).
• Accurate perception of motion, micro-movement, and stationary human bodies achieved.

Specifications

Hardware

• Frequency Band: 24~24.25Ghz
• Maximum Scanning Bandwidth: 0.25GHz
• Maximum Equivalent Isotropic Radiated Power: 11dBm
• Supply Voltage: 3.3V (3.0~3.6V Wide-range Voltage)
• Dimensions: 20x20mm²
• Environment Temperature: -40~85℃

System

• Detection Range (wall-mount): Motion human body target 10m; Micro-motion human body target 6m
• Detection Range (Ceiling-Mount): Motion human body target 5m; Micro-motion human body target 4m
• Detection Accuracy: 0.15m (for moving targets within 10m straight-line distance from the radar)
• Average Operation Current: 50mA
• Data Refresh Period: 100ms

Pinout Definition

Direction & Detection Range

Installation & Detection Range