Related Manuals for Hi-Link HLK-LD2410B
Summary of Contents for Hi-Link HLK-LD2410B
- Page 1 Shenzhen Hi-Link Electronic Co., Ltd. HLK-LD2410B Radar Module User Manual Version: V1.04 Revised date: 2022-6-29 Copyright by @ Hi-Link Electronic Co., Ltd. Page 1 /21...
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Page 2: Table Of Contents
HLK-LD2410B Shenzhen Hi-Link Electronics Co.,Ltd User manual Content 1. Product introduction ........................3 2. Product features and benefits ......................4 2.1 Features ............................4 2.2 Solution advantage ........................4 3. Application scenarios ........................5 4. Hardware description ........................6 4.1 Dimensions ..........................6 4.2 Pin definition ..........................7... -
Page 3: Product Introduction
User manual 1. Product introduction HLK-LD2410B is a high-sensitivity 24GHz human presence status radar module developed by Hi-link Electronics. Its working principle is to use FMCW frequency-modulated continuous wave to detect human targets in the set space. Combined with radar signal processing and accurate human body sensing algorithms, it realizes high-sensitivity human presence status sensing, and can identify human bodies in motion and stationary states. -
Page 4: Product Features And Benefits
24GHz ISM band, can be certified by FCC and CE spectrum regulations The ultimate cost-effective choice 2.2 Solution advantage The HLK-LD2410B human body radar module adopts 24GHz millimeter wave radar sensor technology. Compared with other solutions, it has obvious advantages in human body sensing applications: 1. -
Page 5: Application Scenarios
Figure 2 Comparison of millimeter wave radar scheme and other schemes 3. Application scenarios The HLK-LD2410B human body radar module can detect and identify the human body in motion, fretting, standing, sitting and lying down. It supports multi-level parameter adjustment and can be widely used in various AIoT scenarios. -
Page 6: Hardware Description
HLK-LD2410B Shenzhen Hi-Link Electronics Co.,Ltd User manual When there is no one in the room for a long time, the TV, air conditioner and other electrical appliances are automatically turned off, saving energy and safety. Intelligent security Detection and identification of people intruding, staying, etc. within the specified range. -
Page 7: Pin Definition
5. Use and configuration 5.1 Typical application circuit The HLK-LD2410B module directly outputs the detected target state through an IO pin (someone is high, no one is low), and it can also output the detection result data through the serial port according to the specified protocol. -
Page 8: Visual Configuration Tool Description
HLK-LD2410B Shenzhen Hi-Link Electronics Co.,Ltd User manual The configurable parameters include the following: farthest detection distance Set the farthest detectable distance, only human targets that appear within this farthest distance will be detected and output the result. Set in units of distance gates, and each distance gate is 0.75m. -
Page 9: Mounting Method And Sensing Range
HLK-LD2410B Shenzhen Hi-Link Electronics Co.,Ltd User manual The interface and common functions of the host computer tool are as follows: Engineering mode Parameter information 5.4 Mounting method and sensing range Page 9 /21... - Page 10 HLK-LD2410B Shenzhen Hi-Link Electronics Co.,Ltd User manual Figure 7 Schematic diagram of ceiling-mounted installation (distance unit: meters, angle unit: degrees) Figure 8 Schematic diagram of the detection range (the ceiling height is 3 meters) Wall Radar High 1.5~2m (distance unit: meters, angle unit: degrees)
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Page 11: Installation Conditions
HLK-LD2410B Shenzhen Hi-Link Electronics Co.,Ltd User manual Figure 10 Schematic diagram of the detection range (the height of the wall is 1.5 meters) 5.5 Installation conditions Confirm the minimum installation clearance If the radar needs to be installed with a casing, the casing must have good wave-transmitting properties at 24GHz, and cannot contain metal materials or materials that have a shielding effect on electromagnetic waves. -
Page 12: Bluetooth Instructions
HLK-LD2410B Shenzhen Hi-Link Electronics Co.,Ltd User manual • When installing on the wall, external interference factors such as air conditioners and electric fans on the top of the room need to be considered. Precautions during installation • Try to ensure that the radar antenna is facing the area to be detected, and the surrounding area of the antenna is open and unobstructed •... -
Page 13: Bluetooth Password
HLK-LD2410B Shenzhen Hi-Link Electronics Co.,Ltd User manual The use distance of the APP should not exceed the Bluetooth signal range (within 4 meters). ①Search for Bluetooth ②View parameters ③Modify radar parameters The process of modifying the radar parameters of the Bluetooth APP is the same as that of the PC host computer tool. - Page 14 HLK-LD2410B Shenzhen Hi-Link Electronics Co.,Ltd User manual Page 14 /21...
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Page 15: Bluetooth Communication Protocol
Once the app and 2410B Bluetooth connection and password check are successful, the module will start the transmission of radar data. The data transmitted by Bluetooth is identical to the Please refer to the document "HLK-LD2410B Serial Communication Protocol V1.05.pdf" for the exact same protocol as the serial port. -
Page 16: Turn On Bluetooth Again
User manual 6.6 Turn on Bluetooth again The Bluetooth function of HLK-LD2410B is on by default, you can turn it off or on through the serial port protocol "HLK-LD2410B Serial Communication Protocol V1.05.pdf". If Bluetooth has been turned off, or if the serial port is not available, powering off and then powering on the module more than 5 times in a row within 2~3s will turn Bluetooth on again. -
Page 17: Radome Design Guidelines
HLK-LD2410B Shenzhen Hi-Link Electronics Co.,Ltd User manual Figure 11 Measured data of module working current 8. Radome design guidelines 8.1 Effects of radomes on mm wave sensor performance • Radar waves are reflected on the radome boundary • Losses in total radar radiated or received power •... -
Page 18: Radome Design Principles
HLK-LD2410B Shenzhen Hi-Link Electronics Co.,Ltd User manual 8.2 Radome design principles Common materials • Understand the material and electrical characteristics of the radome before designing • The table on the right is for reference only, the actual value should be confirmed with the supplier •... - Page 19 HLK-LD2410B Shenzhen Hi-Link Electronics Co.,Ltd User manual • Influence of heterogeneous materials or multi-layer composite materials on radar performance, it is recommended to make experimental adjustments during design Table 3 Common Material Properties of Radomes Page 19 /21...
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Page 20: Revision Records
HLK-LD2410B Shenzhen Hi-Link Electronics Co.,Ltd User manual 9. Revision records Date Version Modify the content 2022-5-26 1.01 Test version 2022-6-8 1.02 Complete data 2022-6-29 1.03 Update data 2022-8-19 1.04 Modification of bluetooth description Page 20 /21... -
Page 21: Technical Support And Contact
HLK-LD2410B Shenzhen Hi-Link Electronics Co.,Ltd User manual 10. Technical support and contact Shenzhen Hi-Link Electronic Co.,Ltd Address：1705, 1706, 1709A, Building E, Xinghe WORLD, Minle Community, Minzhi Street, Longhua District, Shenzhen, China Phone：(86) 755-23152658 Website：https://www.hlktech.net/ Page 21 /21... - Page 22 Any Changes expressly or modifications not approved by the party responsible for compliance could void the user's authority to operate the equipment. This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
- Page 23 Integration instructions for host product manufacturers according to KDB 996369 D03 OEM Manual v01 2.2 List of applicable FCC rules CFR 47 FCC PART 15 SUBPART C&E has been investigated. It is applicable to the modular. 2.3 Specific operational use conditions This module is stand-alone modular.
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