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AJMRTC HLK-LD2401 24G Human Presence Radar Sensor Module, 2-in-1 Radar & Bluetooth, Micro Motion Detection Smart Sensing Switch Module for Home Automation, 1 Piece
- - 2-in-1 integrated design with 24G radar sensor and Bluetooth for convenient configuration and debugging
- - Supports static human presence and tiny micro-motion detection, more sensitive than traditional PIR sensors
- - Non-contact millimeter wave sensing, works through thin panels and is not affected by light changes
- - UART serial output, easy to connect with MCU for smart switch, lighting and automation control
- - Low power consumption, compact PCB form, great for smart home induction projects
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Overview
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AJMRTC HLK-LD2401 millimeter wave radar module combines 24G human detection radar and Bluetooth into one unit. It can detect not only obvious body movement but also subtle micro-motions such as breathing and slight limb movement, realizing reliable human presence sensing. Unlike infrared PIR sensors, it is not disturbed by ambient light, shadows or temperature fluctuations, and can penetrate thin non-metal shells for hidden installation. Bluetooth is used for parameter setting and real-time data viewing, while the UART port outputs sensing information to main controllers. It is widely used for smart light switches, cabinet lights, automatic doors, occupancy sensing alarms and various DIY smart home automation systems.
- Brand: AJMRTC
- Model: HLK-LD2401
- Radar Frequency: 24GHz Millimeter Wave
- Integrated Function: Radar + Bluetooth 2-in-1
- Detection: Human static presence + micro motion
- Communication: UART serial, Bluetooth configuration
- Working Voltage: DC 3.3V
- Output Signal: Serial data output
- Quantity: 1 Piece
- Application: Smart home sensor, human presence switch, occupancy detection
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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