SKU: SENS-1849
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Waveshare Human Micro-Motion Detection mmWave Sensor, 24GHz Radar Based on S3KM1110, FMCW Technology

₹329.00 (Inclusive of all taxes)
Out of Stock

The Waveshare Human Micro-Motion Detection mmWave Sensor is a 24GHz FMCW radar module based on the S3KM1110 SoC, designed for detecting moving, stationary, and micro-motion human presence. It features a UART interface for easy integration with Arduino, ESP32, Raspberry Pi, and other 3.3V microcontroller platforms.

Features

  • 24GHz FMCW mmWave radar sensor based on the Silicon Micro S3KM1110 AIoT SoC.
  • Detects moving, stationary, and micro-motion human bodies with a range up to 8.5 meters.
  • Compact 20x20mm module with onboard antenna and peripheral circuitry.
  • 3.3V power supply with UART (115200bps default) and GPIO output interfaces.
  • Pre-configured for plug-and-play human sensing; compatible with Arduino, ESP32, Raspberry Pi, and Jetson Nano.

Out of stock

Description

This mmWave sensor utilizes Frequency Modulated Continuous Wave (FMCW) technology at 24GHz to provide precise detection of human presence, including subtle micro-motions and stationary postures. The integrated S3KM1110 SoC handles advanced signal processing and proprietary algorithms, enabling robust performance in various environmental conditions.

The module is engineered for reliability across an operating temperature range of -40°C to +85°C, making it suitable for both indoor and outdoor AIoT applications. Its UART interface simplifies integration, providing serial data output for motion status, distance, and signal strength to host controllers.

Key Features

  • High-performance 24GHz FMCW radar with one-transmit-one-receive (1T1R) antenna integrated.
  • Powered by the Silicon Micro S3KM1110 millimeter-wave sensor SoC for advanced signal processing.
  • Capable of distinguishing between moving, stationary, and micro-motion human targets.
  • Wide operating voltage range of 3.0V to 3.6V, centered on a 3.3V nominal supply.
  • Compact and durable PCB module design measuring 20mm x 20mm.
  • Pre-loaded with default human sensing firmware for immediate deployment.
  • Comprehensive documentation and sample code provided for Raspberry Pi, Jetson Nano, Arduino, and ESP32 platforms.

Applications

  • Smart lighting and occupancy-based HVAC control in commercial buildings.
  • Intrusion detection and presence monitoring for smart security systems.
  • Touchless interactive displays and automatic door activation.
  • Energy management systems in smart homes for room occupancy sensing.
  • Retail analytics and customer behavior monitoring in smart business environments.

Technical Specifications

Model NamemmWave Sensor
Core ICS3KM1110
Frequency Band24 ~ 24.25 GHz
Bandwidth250 MHz (0.25 GHz)
ModulationFMCW
Max Detection Range8.5 m
Supply Voltage3.3 V DC (3.0 ~ 3.6 V range)
Output InterfaceUART, GPIO
Default UART Baud Rate115200 bps
Operating Temperature-40°C to +85°C
Dimensions (L x W)20 mm x 20 mm

Frequently Asked Questions

What is the maximum detection range of this mmWave sensor?

The sensor has a maximum detection range of approximately 8.5 meters for human body sensing, including motion, micro-movement, and stationary presence. This range is achieved under typical environmental conditions using its pre-configured firmware.

What is the power supply requirement and interface for this module?

The module requires a 3.3V DC power supply, with a supported operating range from 3.0V to 3.6V. It communicates via a UART serial interface, defaulting to 115200 baud rate, and also provides GPIO pins for direct digital status output.

Is this sensor compatible with Arduino and Raspberry Pi?

Yes, the module is designed for easy integration. It uses a standard UART (TX/RX) interface and is compatible with 3.3V logic levels, making it directly usable with popular platforms like Arduino (using a 3.3V board or logic level shifter), ESP32, Raspberry Pi, and Jetson Nano. Comprehensive sample code and documentation are provided.

What does FMCW technology provide over other radar types?

Frequency Modulated Continuous Wave (FMCW) radar provides superior performance in detecting both moving and stationary targets by measuring the frequency shift between transmitted and received signals. This allows the S3KM1110-based sensor to accurately sense subtle human micro-motions and static presence, unlike simpler Doppler radar which only detects motion.

Package Includes

  • 1 x Waveshare Human Micro-Motion Detection mmWave Sensor Module

Additional Information

Weight 0.015 kg
Dimensions 5 × 2 × 4 cm