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AJMRTC DFRobot C4002 24GHz FMCW mmWave Radar Detection Unit, Static Human Presence & Motion MicroMotion Sensor, UART Configurable IO with Ambient Light Detect for Smart Home Occupancy & IoT Automatio
- - Builton 24GHz FMCW mmwave radar technology, detects moving, micromotion and stationary human bodies, outperforms traditional PIR sensors for sitting, reading and sleeping scenarios
- - 11m max motion detection, 10m staticpresence range with wide 120°×120° fieldofview; softwareadjustable sensing distance supports zonepartition monitoring for different room layouts
- - Dual UART serial and configurable IO output delivers multidimensional data: human status, moving direction, speed and builtin 050 lux ambientlight readings for flexible secondary development
- - Adaptive background noiselearning algorithm suppresses disturbances from swaying curtains, plants and airflow, effectively cuts falsetrigger rates for stable 24hour operation
- - Compact 22×26mm footprint, natively compatible with ESP32, Raspberry Pi, Arduino and Home Assistant, ideal for smart lighting, HVAC control and occupancymonitoring DIY prototypes
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AJMRTC DFRobot C4002 24GHz mmWave radar detection unit adopts advanced FMCW radar technology to deliver reliable humanpresence sensing. Unlike conventional PIR infrared sensors which only respond to largebody movements, this module identifies static and micromoving human targets including sitting, typing and sleeping people. It offers up to 11meter motion detection and 10meter staticpresence coverage across a broad 120degree ×120degree sensing angle. Users can adjust detection range via software to realize partition monitoring and avoid unwanted crosszone detection. Equipped with UART communication and configurable IO output, it outputs rich data containing human existence status, approachingleaving direction, movement speed and ambientlight value. The builtin adaptive noiselearning function automatically establishes backgroundnoise models to filter interference from shaking curtains, swinging foliage and ventilation airflow, greatly lowering falsealarm frequency. Its small form factor facilitates embedding into custom hardware. Perfect for smartlight automation, roomoccupancy detection, energysaving HVAC linkage and elderlycaremonitoring applications. Fully compatible with mainstream microcontroller platforms to accelerate IoT prototype development
- Model: C4002 24GHz mmWave Radar Detection Unit
- Operating Frequency: 24GHz ~ 24.25GHz
- Detection Capability: Human Motion, MicroMotion, Static Presence
- Max Detection Distance: Motion 11m, Static Presence 10m
- Detection Angle: 120° × 120°
- Output Interfaces: UART, Configurable IO Pin
- Onboard Light Sensor: 050 lux
- Operating Voltage: 3.6V5.5V
- Operating Temperature: -20 ~ 85
- Module Dimension: 22mm × 26mm
- Compatible Platforms: ESP32, Raspberry Pi, Arduino, Home Assistant
- Application: SmartHome Automation, Occupancy Monitoring, IoT Embedded & Maker Projects
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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Return Policies
- Return for refund within: 30 days
- Return for replacement within: 30 days
- This item is covered by ThermalNest Return Policy
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