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

(1 customer review)

In stock

SKU: R101187
  1. Frequency Band: 24~24.25Ghz
  2. Maximum Scanning Bandwidth: 0.25GHz
  3. Maximum Equivalent Isotropic Radiated Power: 11dBm
  4. Supply Voltage: 3.3V (3.0~3.6V Wide-range Voltage)
  5. Dimensions: 20x20mm²
  6. Environment Temperature: -40~85℃

 269.00 (Incl. GST)

In stock

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Category: PIR / IR and Optical Sensor

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.


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

Package Includes:

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

SKU: R101187 Category:


Bandwidth (KHz)


Modulation frequency


Power Supply (V)


Output Interface


UART Baudrate

115200bps (default)

Operating Temperature (°C)


Shipping Weight 0.015 kg
Shipping Dimensions 5 × 4 × 2 cm

Based on 1 review

5.0 overall

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  1. babludhaki (verified owner)

    The S3KM1110 mmWave Human Presence Sensor is a top-tier solution for advanced human detection applications. Leveraging millimeter-wave technology, it offers unparalleled accuracy and reliability in sensing human presence and movement. Its high sensitivity allows for precise detection, even through obstacles like walls or furniture, making it ideal for smart home systems, security applications, and energy-saving automation.

    One standout feature is its ability to differentiate between human presence and other moving objects, significantly reducing false alarms. The sensor is also highly adaptable, functioning well in various environments and lighting conditions, unlike traditional infrared sensors.

    Installation is straightforward, and the sensor integrates seamlessly with existing smart systems. Users will appreciate its compact design and low power consumption, which make it a practical choice for continuous use. Overall, the S3KM1110 mmWave Human Presence Sensor is a reliable, efficient, and versatile device, setting a new standard in the realm of presence detection technology.

    I have been using it from few days till ,it is performing very well…


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Country Of Origin: China