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Summary of Contents for Hi-Link HLK-LD2410C
- Page 1 Translated from Chinese (Simplified) to English - www.onlinedoctranslator.com Shenzhen Hailingke Electronics Co., Ltd. HLK-LD2410C Human presence sensor module manual Version: V1.00 Modification date: 2022-11-7 Copyright@Shenzhen Hailingke Electronics Co., Ltd. Page 1 of 21...
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Page 2: Table Of Contents
LK-LD2410C manual Table of contents 1 Product introduction....................................3 2 Product features and advantages..............................4 2.1 Features......................................4 2.2 Advantages of the solution................................5 3 Application Scenarios....................................6 4 Hardware Description.......... -
Page 3: Product Introduction
LK-LD2410C manual product introduction LD2410C is a high-sensitivity 24GHz human presence sensing module developed by Hilink Electronics. Its working principle is to use FMCW frequency modulation continuous wave to detect human targets in the set space, combined with radar signal processing and precise human body sensing algorithm, to realize high-sensitivity human body presence status sensing, which can identify human body in motion and static state, And it can calculate the auxiliary information such as the distance of the target. -
Page 4: Product Features And Advantages
LK-LD2410C manual 2 Product features and advantages 2.1 Features -Plug and play, easy assembly The farthest sensing distance is up to 5 meters Large detection angle, coverage up to ±60 degrees Accurate identification within the interval, support for sensing range division, shielding interference outside the interval Multi-level intelligent parameter adjustment can be realized through Bluetooth or serial port to meet the needs of scene changes Visual debugging and configuration tool Compact and simplified, the minimum size is only 16mmx22mm... -
Page 5: Advantages Of The Solution
LK-LD2410C manual 2.2 Solution Advantages LD2410C human body sensing module adopts 24GHz millimeter-wave radar sensor technology. Compared with other solutions, it has obvious advantages in human body sensing applications: 1. In addition to being sensitive to moving human bodies, it can also sensitively detect static, micro-moving, sitting and lying human bodies that cannot be identified by traditional solutions; 2. -
Page 6: Application Scenarios
LK-LD2410C manual Application Scenario The LD2410C human body sensing module can detect and identify motion, micro-movement, and standing, sitting, and lying human bodies. It supports multi-level parameter adjustment and can be widely used in various AIoT scenarios. The commonly used types are as follows Human sensor light control Perceive whether there are people in the space, and automatically control the lighting, such as lighting equipment in public places, various sensor lights, bulb lights, etc. -
Page 7: Hardware Description
LK-LD2410C manual 4 Hardware description 4.1 Dimensions Figure 4 The physical picture of the module Figure 5 Module Dimensions Module size: 16mmx22mm, 5 pin holes are reserved for the hardware (factory default with pins). The hole diameter of the pin hole is 0.9mm, and the pin spacing is 2.54mm. Page 7 of 21... -
Page 8: Pin Definition
LK-LD2410C manual 4.2 Pin definition Figure 6 Module pin definition diagram name symbol Function UART_Tx Serial Tx Serial port Tx pin UART_Rx Serial Rx Serial port Rx pin Human presence detected: output high level target state output No human presence: output low level power ground power ground power input... -
Page 9: Use And Configuration
LK-LD2410C manual 5 Use and configuration 5.1 Typical Application Circuit The LD2410C module directly outputs the detected target state through an IO pin (high level for someone, low level for no one), and can also output the detection result data through the serial port according to the specified protocol. - Page 10 LK-LD2410C manual The visual display greatly facilitates the user's use. How to use the upper computer tools: 1. Correctly connect the module serial port with the USB to serial port tool; 2. Select the corresponding serial port number in the upper computer tool, set the baud rate to 256000, select the engineering mode, and click to connect the device; 3.
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Page 11: Installation Method And Sensing Range
LK-LD2410C manual 5.4 Installation method and sensing range ceiling radar high2.6~3rice Figure 7 Schematic diagram of ceiling installation (distance unit: meter, angle unit: degree) Figure 8 Schematic diagram of the detection range (the height of the ceiling is 3 meters) Page 11 of 21... - Page 12 LK-LD2410C manual wall radar Height 1.5~2 meters 5 meters (distance unit: meter, angle unit: degree) Figure 9 Schematic diagram of wall-mounted installation Figure 10 Schematic diagram of detection range (wall hanging height 1.5 meters) Page 12 of 21...
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Page 13: Installation Conditions
LK-LD2410C manual 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 characteristics at 24GHz, and must not contain metal materials or materials that have a shielding effect on electromagnetic waves. -
Page 14: Instructions For Using Bluetooth
LK-LD2410C manual 6 Bluetooth Instructions 6.1 Install the software Currently the APP supports Android and IOS platforms, you can download it from this link: https://www.pgyer.com/Lq8p (Android) You can also go to major app stores to search for "HLKRadarTools" and install it. app icon 6.2 How to use Open the app, and the app searches for nearby radar devices. -
Page 15: Bluetooth Password
LK-LD2410C manual 6.3 Bluetooth password You must enter a password to control the APP for the first connection. The default password is HiLink, which can be modified in Parameter Settings -> Control Password. The password is fixed at 6 bytes. Note: Only V1.07.22091516 or newer version supports password function 6.4 OTA upgrade When the firmware of the device has been updated, the word "upgradeable"... - Page 16 LK-LD2410C manual during upgrade The overall upgrade time takes 1~3 minutes. Must be in distance modulewithin 3 metersUpgrade, otherwise the Bluetooth signal is poor and the upgrade will fail. Page 16 of 21...
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Page 17: Bluetooth Communication Protocol
LK-LD2410C manual Do not power off or restart the module before the upgrade is completed, and do not forcibly exit the APP, otherwise the upgrade will fail. If the upgrade fails, the 2410CRadar program will fail, radar detection is not possible. If the device upgrade fails, please restart the device and reconnect the APP, and a "waiting for upgrade"... -
Page 18: Turn On Bluetooth Again
LK-LD2410C manual 6.6 Turn on Bluetooth again The bluetooth function of LD2410C is enabled by default, and can be"LD2410C Serial Communication Protocol.pdf"Turn off or turn on Bluetooth. If the Bluetooth has been turned off, or the serial port cannot be used, power off the module within 2~3 seconds and then power on the module for more than 5 times to turn on the Bluetooth again. -
Page 19: Radome Design Guidelines
LK-LD2410C manual 8 Radome Design Guidelines 8.1 Effect of Radome on the Performance of mmWave Sensors • Radar waves are reflected on the radome boundary • Loss of total power radiated or received by the radar • The reflected wave enters the receiving channel, affecting the isolation between the transmitting and receiving channels •... -
Page 20: Revision History
LK-LD2410C manual 9 Revision History date Version Modify content 1.00 2022-11-7 initial version Page 20 of 21... -
Page 21: Technical Support And Contact Information
LK-LD2410C manual 10Technical support and contact information Shenzhen Hailingke Electronics Co., Ltd. Tel: 0755-23152658/83575155 Website:www.hlktech.com Page 21 of 21...
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Questions and answers
ok,i bought 3 pieces of ld2410c,the problem with all is that the conection thru bluetooth it's very short live,maybe 2-3 seconds,not much time to adjust the device settings,it is turning off,how can i make it stay on for more time ? i did used the tool for the android