Microwave Motion Detector Human Detection UART output HMMD 24GHz
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HMMD-mmWave Human Micro-Motion Sensor, MmWave 24GHz Radar
The HMMD-mmWave human micro-motion sensor uses Frequency Modulated Continuous Wave (FMCW) technology to detect and identify movement, stopping and stationary human bodies. Combining radar signal processing with precise detection and ranging algorithms, it allows sensitivity to be configured for each range independently, improving anti-interference performance. Its compact size, low power consumption and ease of integration make it ideal for AIoT scenarios such as smart home, smart security, smart business and smart lighting. Based on the S3KM1110 AIoT mmWave SoC, with an integrated 24GHz 1T1R antenna and human micro-motion detection algorithm, it provides precise detection of human movement, micro-motion and stopping. Equipped with a UART communication protocol, it allows configuration of detection range, sensitivity and absence report delay, making it easy to use. It supports UART port and GPIO output, for connection to motherboards such as Raspberry Pi and Arduino. With a wide range of motion detection, it supports ceiling and wall mounting.
Specifications:
- Frequency band: 24~24.25GHz
- Bandwidth: 0.25GHz
- Modulation: FMCW
- Power supply: 3.3V
- Output interface: UART, GPIO
- UART baud rate: 115200bps (default)
- Ambient temperature: -40~85℃
- Dimensions: 20×20mm
- Detection range (wall mounting): Moving human target: 10m; Micro stationary human target: 6m
- Detection range (ceiling mounting): Moving human target: 5m; Micro-mobile human target: 4m
- Detection distance resolution: 0.7m
- Detection angle: ±60°
- Detection accuracy: 0.15m (for moving targets within 10m of the radar)
- Data refresh cycle: 100ms
Product features:
- Detection and identification of movement, standing and stationary human bodies
- Configurable sensitivity for each range independently
- Low power consumption and compact size
- Supports UART interface and GPIO output
- Compatible with Raspberry Pi, Arduino, ESP32, Jetson Nano platforms
- Wide range of motion detection for wall and ceiling mounting
- Online support and documentation with examples for various platforms
- Recommended use with USB to UART module for easy configuration and debugging (not included)
Three-axis detection:
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Kit includes:
- HMMD-mmWave-Sensor x1
Wiki: HMMD_mmWave_Sensor
