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AJMRTC 5Pcs HLK-LD2412 24GHz FMCW Millimeter Wave Human Presence Radar Module, Wide Angle 0.75-9m Non-Contact Human Motion Sensing Sensor with BLE5.0 for Arduino, Raspberry Pi, Smart Home IoT Project
- - 24GHz FMCW millimeter wave radar, wide ±75° detection angle, sensing range 0.75m to 9m
- - Non-contact detection, no image capture, protects user privacy for indoor sensing
- - Built-in BLE5.0 for mobile APP parameter adjustment, UART serial data output
- - Strong anti-interference, stable performance in dark, curtain and complex lighting conditions
- - Pack of 5 single modules, easy secondary development for smart home and embedded projects
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Overview
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AJMRTC HLK-LD2412 millimeter wave radar module adopts FMCW modulation algorithm to identify human presence and tiny body movements. It distinguishes static stay and moving status without camera. It supports ceiling and wall installation in bathrooms, bedrooms and offices. BLE allows users to adjust sensing distance and sensitivity by mobile APP. It connects easily with ESP32, Arduino and other MCU to build smart lighting, occupancy alert and home safety systems. It works reliably 24 hours a day and is not affected by darkness.
Specifications
- Brand: AJMRTC
- Model: HLK-LD2412
- Technology: 24GHz FMCW Millimeter Wave Radar
- Sensing Range: 0.75m ~ 9m
- Detection Angle: ±75° wide angle
- Wireless: BLE5.0 for APP configuration
- Output Interface: UART serial port
- Privacy Feature: Non-imaging, privacy protection
- Operating Temperature: -20 ~ 85
- Package: 5 single modules
- Application: Smart Home, Human Presence Sensing, Smart Lighting, IoT Monitoring, Electronic DIY
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: non-replaceable
- This item is covered by ConnectFlow USA Return Policy
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