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Waveshare Human Micro-Motion Detection 24GHz mmWave Sensor
$2.9500
In stock
SKU
SEN-24-038
Volume discounts:
- +25 4 % $2.8300
- +100 6 % $2.7800
- +300 8 % $2.7200
- +500 10 % $2.6600
- +1000 12 % $2.6000
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IR Hand Sweep Sensor Module 12V Previous 
The Waveshare Human Micro-Motion Detection 24GHz mmWave Sensor (Model: S3KM1110) is a highly sensitive radar sensor designed for detecting human movement and micro-motions. It operates within the 24~24.25GHz frequency band with FMCW modulation, making it ideal for security, home automation, and other detection systems. With a detection range of up to 10 meters for moving human targets and 6 meters for micro-motion targets, the sensor delivers accurate detection with a resolution of 0.7m and operates efficiently at 3.3V.
Specifications of Waveshare Human Micro-Motion Detection 24GHz mmWave Sensor
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Model: S3KM1110
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Frequency Band: 24~24.25GHz
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Bandwidth: 0.25GHz
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Modulation: FMCW
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Power Supply: 3.3V
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Output Interface: UART & GPIO
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UART Baudrate: 115200bps (default)
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Environment Temperature: -40~85℃
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Detection Range (Wall-Mounted): Moving human target: 10m, Micro-motion human target: 6m
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Detection Range (Top-Mounted): Moving human target: 5m, Micro-motion human target: 4m
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Detection Distance Resolution: 0.7m
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Detection Accuracy: 0.15m (within 10m)
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Detection Angle: ±60°
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Average Operating Current: 50mA
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Data Refresh Cycle: 100ms
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Dimensions: 20mm x 20mm
Datasheet of Waveshare Human Micro-Motion Detection 24GHz mmWave Sensor
Manufacture of Waveshare Human Micro-Motion Detection 24GHz mmWave Sensor
| Interface Type | Digital, UART |
|---|---|
| Operating Voltage (V) | 3.3V |
| Operating Current (mA) | 50 |
| Operating Temp (°C) | -40 to 85 |
| Dimensions (mm) | 20mm x 20mm |
| Output Type | UART |
| Accuracy | 0.15m |
| Resolution | 0.7m |
| Measurement Range | Moving target: 10m, Micro-motion: 6m |
| Sampling Rate (Hz) | 100ms |
| Push Button | No |
| Sensor Type | Microwave Motion Detector |
| Measurement Principle | FMCW Radar |
| Supply Current | mA |
| Chipset | S3KM1110 |
| Detection Angle (°) | ±60° |
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