HLK-LD2450 24GHz mmWave radar sensor module with blue PCB and integrated circuit for human body tracking

HLK-LD2450 24GHz mmWave Radar Human Body Tracking Sensor Module (Pre-Soldered)

Name: HLK-LD2450 24GHz mmWave Radar Human Body Tracking Sensor Module (Pre-Soldered)
Brand: ShillehTek
SKU: 4A340
Price: 11.99 USD
Availability: InStock

SKU 4A340

$11.99 USD Shipping & tax calculated at checkout

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HLK-LD2450 24GHz mmWave radar sensor module for contactless human presence, motion, and body tracking in indoor spaces; ideal for occupancy sensing, smart lighting, home automation, robotics, and prototyping.

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Overview

Product Overview

HLK-LD2450 24GHz mmWave radar sensor module is a human body tracking sensor designed for contactless presence and motion detection, using 24GHz millimeter-wave radar to detect and track people in indoor spaces without relying on cameras or ambient light. Ideal for occupancy sensing, smart lighting, home automation, security triggers, robotics, and interactive installations, the HLK-LD2450 helps projects respond to movement, approach, and human activity with reliable radar-based sensing. Its compact module format makes it well suited for embedded integration and prototyping where privacy-friendly people detection is needed. The header pins ship pre-soldered, so it works out of the box with no soldering required.

Questions & answers

Frequently asked questions

Does the HLK-LD2450 work with Arduino or Raspberry Pi?

It is intended for embedded projects with Arduino, Raspberry Pi, and similar controllers. Check your controller’s available I/O and the module documentation before wiring, because the provided product information does not list voltage or serial-interface details.

Is the HLK-LD2450 ready to use without soldering?

Yes. The header pins ship pre-soldered, so you can connect jumper wires or a breadboard-style setup without soldering the module first. You still need to wire and configure it for your specific controller and project code.

What sensing technology does the HLK-LD2450 use?

It uses 24GHz millimeter-wave radar for contactless human presence and motion tracking. Because sensing is radar-based, it does not rely on visible light or a camera to detect people in indoor spaces.

What projects is the HLK-LD2450 good for?

It suits indoor occupancy sensing, smart lighting, home automation, security triggers, robotics, and interactive installations. It is useful when a project needs to respond to movement, approach, or human activity while avoiding camera-based sensing.

Why is my HLK-LD2450 not detecting people reliably?

First confirm power, wiring, controller configuration, and that your software is reading the module output. If detection is inconsistent, review placement and mounting in the indoor space, since radar performance depends on installation and environment.

Have other questions?

Chat with our US-based team — we usually reply fast.

What's included