Hi-Link HLK-LD2450 Instruction Manual
Hi-Link HLK-LD2450 Instruction Manual

Hi-Link HLK-LD2450 Instruction Manual

Motion target detection and tracking module

Advertisement

Quick Links

Shenzhen Hi-Link Electronic Co., Ltd.
HLK-LD2450
Motion target detection and
tracking module
Instruction manual
Co.,Ltd
Version: V1.00
Modify date: 2023-5- 10
Copyright @Shenzhen Hi-Link Electronic
1

Advertisement

Table of Contents
loading

Summary of Contents for Hi-Link HLK-LD2450

  • Page 1 Shenzhen Hi-Link Electronic Co., Ltd. HLK-LD2450 Motion target detection and tracking module Instruction manual Co.,Ltd Version: V1.00 Modify date: 2023-5- 10 Copyright @Shenzhen Hi-Link Electronic...
  • Page 2: Table Of Contents

    HLK-LD2450 Shenzhen Hi-Link Electronic Co.,Ltd Instruction manua CONTENTS 1 Product overview ....................4 2 Product features and advantages ..............5 2.1 Characteristics ..................5 2.2 Solution advantages .................5 3 Application scenarios ..................7 4 Hardware description ..................8 4.1 Dimension ....................8 5 Use and configuration ..................10 5.1 Typical application circuits ..............
  • Page 3 HLK-LD2450 Shenzhen Hi-Link Electronic Co.,Ltd Instruction manua INDEX OF CHARTS Table 1 Pin definition table ................... 9 Table 2 Format of reported data frames ..............12 Table 3 Format of data within the frame ..............12 Table 4 Table of performance and electrical parameters ..........17 Table 5 Common material properties of antenna covers ..........20...
  • Page 4: Product Overview

    HLK-LD2450 Shenzhen Hi-Link Electronic Co.,Ltd Instruction manua 1 Product overview Motion target tracking is to track the position of the moving target in the region in real time, and realize the distance, angle and speed measurement of the moving target in the region.The LD2450 is a motion target tracking sensor module from the Hilink 24G millimetre wave radar series, which includes extremely simplified 24 GHz radar sensor hardware and intelligent algorithm firmware.
  • Page 5: Product Features And Advantages

    HLK-LD2450 Shenzhen Hi-Link Electronic Co.,Ltd Instruction manua 2 Product features and advantages 2.1 Characteristics  24 GHz ISM band  Integrated intelligent millimeter wave radar chip and intelligent algorithm firmware  Precise motion target localization and tracking  Longest detection range 6m ...
  • Page 6 HLK-LD2450 Shenzhen Hi-Link Electronic Co.,Ltd Instruction manua Millimeter Infrared Visual Laser Ultrasonic wave Solutions Solutions Radar radar Application Flexibility Resistant to environmental influences (weather, light, etc.) Detection speed Detection Accuracy Resolution Directionality Detection distance Penetrating material capability Size Cost Good...
  • Page 7: Application Scenarios

    HLK-LD2450 Shenzhen Hi-Link Electronic Co.,Ltd Instruction manua 3 Application scenarios The LD2450 motion target tracking sensor can accurately locate and track targets and is widely used in various AloT scenarios, covering the following types: Smart Home Sensing the distance and angle of the human body, reporting the detection results for the main control module to intelligently control the operation of air conditioners, fans and other home appliances.
  • Page 8: Hardware Description

    HLK-LD2450 Shenzhen Hi-Link Electronic Co.,Ltd Instruction manua 4 Hardware description 4.1 Dimension Figure 3 Module size diagram The module provides two kinds of external interfaces, socket and pin, both of which have a serial port and a power supply port, so users can choose to use either of them as needed.
  • Page 9 HLK-LD2450 Shenzhen Hi-Link Electronic Co.,Ltd Instruction manua Socket interface dimensions are shown below: 4.2 Pin definition: Figure 4 Module pin definition diagram Function Power supply input 5V Power Ground Serial port Tx pins Serial port Rx pins Table 1 Pin definition table...
  • Page 10: Use And Configuration

    HLK-LD2450 Shenzhen Hi-Link Electronic Co.,Ltd Instruction manua 5 Use and configuration 5.1 Typical application circuits LD2450 module directly through the serial port in accordance with the prescribed protocol for the output of the detection results data, the serial output data contains up to three targets position and speed and other information, the user can be used flexibly according to the specific application scenarios.
  • Page 11 HLK-LD2450 Shenzhen Hi-Link Electronic Co.,Ltd Instruction manua 4. Then click the Start button, the host software will receive the detection data reported by the LD2450 module and display it on the software surface in real time. The display includes real-time positions of up to three targets on a sector map,...
  • Page 12: Communication Protocols

    HLK-LD2450 Shenzhen Hi-Link Electronic Co.,Ltd Instruction manua 6 Communication protocols The LD2450 module communicates with the outside world through a serial port with a default baud rate of 256000, 1 stop bit, and no parity bits. The radar outputs information about the detected target, including x-coordinates in the area, y-coordinates, and the velocity value of the target.
  • Page 13 HLK-LD2450 Shenzhen Hi-Link Electronic Co.,Ltd Instruction manua 0x00. The process of converting the data of target 1 into relevant information is demonstrated as follows: Objective 1 x-coordinate: 0x0E + 0x03 * 256 = 782 0 - 782 = -782 mm...
  • Page 14: Installation Method And Detection Range

    HLK-LD2450 Shenzhen Hi-Link Electronic Co.,Ltd Instruction manua 7 Installation method and detection range The typical installation method of LD2450 is wall mounting, as shown in Figure 5, the farthest positioning tracking distance is 6m. wall mounting needs to consider the application scenario of shading and top interference, the recommended installation height range is 1.5~2m.
  • Page 15: Installation Instructions

    HLK-LD2450 Shenzhen Hi-Link Electronic Co.,Ltd Instruction manua Figure 7 shows the localization tracking range of this module at a wall height of 1.5 m. The test person was 1.75 m tall and of medium build. The detection angle range is ±60° centered normal to the radar antenna plane.
  • Page 16 HLK-LD2450 Shenzhen Hi-Link Electronic Co.,Ltd Instruction manua  When multiple 24 GHz band radars are present, do not install them in the direction directly opposite to the beam, but as far away as possible to avoid possible mutual interference.
  • Page 17: Performance And Electrical Parameters

    HLK-LD2450 Shenzhen Hi-Link Electronic Co.,Ltd Instruction manua 8 Performance and electrical parameters 24GHz~ 24.25GHz Operating Comply with FCC, CE, Commission- frequency band free certification standards Power supply DC 5V, power supply capacity >200mA requirements Average operating 120 mA current FMCW...
  • Page 18: Antenna Cover Design Guide

    HLK-LD2450 Shenzhen Hi-Link Electronic Co.,Ltd Instruction manua 9 Antenna cover design guide 9.1 Effect of antenna cover on millimeter wave sensor performance  Radar waves are reflected on the radome boundary 1. The total power radiated or received by the radar is lost 2.
  • Page 19 HLK-LD2450 Shenzhen Hi-Link Electronic Co.,Ltd Instruction manua  Above the antenna, the antenna surface is parallel to the antenna surface The height of the antenna to the inner surface of the radome H  The ideal height is an integer multiple of the half-wavelength of electromagnetic...
  • Page 20: Common Materials

    HLK-LD2450 Shenzhen Hi-Link Electronic Co.,Ltd Instruction manua 9.3 Common materials Before design, understand the material and electrical characteristics of the radome  The table on the right is for reference only, Please confirm the actual value with the supplier The height of the antenna to the inner surface of the radome H ...
  • Page 21: Revision Record

    HLK-LD2450 Shenzhen Hi-Link Electronic Co.,Ltd Instruction manua 10 Revision record Date Version Modified content 2023-5-10 1.00 Initial Version...
  • Page 22: Technical Support And Contact Information

    HLK-LD2450 Shenzhen Hi-Link Electronic Co.,Ltd Instruction manua 11 Technical support and contact information Shenzhen Hi-Link Electronic Co.,Ltd Address: 1705, 17/F, Building E, XingheWORLD, Minle Community, Minzhi Street, Longhua District, Shenzhen Tel: 0755-23152658/83575155 Website: https://www.hlktech.net/...

Table of Contents