Related Manuals for Hi-Link HLK-LD2420
Summary of Contents for Hi-Link HLK-LD2420
- Page 1 Translated from Chinese (Simplified) to English - www.onlinedoctranslator.com Shenzhen Hailingke Electronics Co., Ltd. HLK-LD2420 User Manual Version:V1.0 Date Modified:2023-3-23 Copyright@Shenzhen Hailingke Electronics Co., Ltd.
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Page 2: Table Of Contents
Table of contents 1.Product Introduction......................................1 1.1.Main Features......................................1 1.2.Application Scenarios......................................2 2.System specification......................................2 3.Hardware Description......................................4 4.Software Description......................................5 4.1.Firmware configuration......................................5 4.2.PC use................................6 4.2.1.parameter settings.......... -
Page 3: Product Introduction
HLK-LD2420 user manual 1.product introduction HLK-LD2420It is a high-performance24GHzA radar module with a send-and-receive antenna. Its human body sensing algorithm uses millimeter wave Radar distance measurement technology andS3The advanced proprietary signal processing technology of the series chips realizes the precise perception of motion, micro-movement and standing human body. -
Page 4: Application Scenarios
HLK-LD2420 user manual 1.2.Application Scenario HLK-LD2420The human body induction sensor can detect and identify the moving, standing and stationary human body, and is widely used in variousAIoT Scenarios, covering the following types: smart home Perceive the existence and distance of the human body, and report the detection results for the main control module to intelligently control the operation of home appliances. - Page 5 HLK-LD2420 user manual HLK-LD2420The specification parameters are shown in the table2-1shown. unit typical Remark parameter the smallest maximum hardware specification 24.25 Support frequency band twenty four Comply with FCC, CE, non-committee certification standards 0.25 Support maximum sweep bandwidth Maximum equivalent isotropic radiated power...
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Page 6: Hardware Description
HLK-LD2420 user manual 3.hardware description The picture below shows the front and back photos of the module. Module reserved5A pin hole (the factory does not match the pin) is calledJ2, for power supply and communication;J1for SWDinterface forMCUProgram burning and debugging. -
Page 7: Software Description
VCCIO Figure 4-1 The connection method between HLK-LD2420 hardware and USB serial port adapter board step two, Open the device manager of the host computer, and check the serial port number of the serial port where the radar module is located. -
Page 8: Pc Use
4.2.Host computer use This section introduces the use of the upper computer tools that are matched with the HLK-LD2420 module, to help users understand the meaning of relevant parameters and related parameters method of obtaining . step one, Obtain the upper computer tool "HLK-2420_TOOL.exe" supporting HLK-LD2420 from the official website of HLK-LD2420. -
Page 9: Energy Scan
HLK-LD2420 user manual See Table 4-2 for the explanation of the parameters involved in the host computer tool interface. Table 4-2 Explanation of the parameters of the upper computer tool interface explain parameter name parameter range Used to set the minimum range gate for radar detection. -
Page 10: Energy Data View
HLK-LD2420 user manual picture4-3Host computer energy scan page 4.2.3.Energy data viewing The host computer energy data viewing page is shown in Figure 4-4. There are two steps to view energy data through the host computer: step one,Select the folder where the data to be viewed is located. -
Page 11: Ceiling Installation
5.1.Ceiling installation The recommended ceiling installation height is 2.7 to 3 m. The maximum motion sensing range of the ceiling-mounted HLK-LD2420 radar module in the default configuration is A conical three-dimensional space with a bottom radius of 5m, as shown in Figure 5-2. -
Page 12: Wall Mounting
The recommended wall mounting height is 1.5 to 2 m. When wall-mounted, the X-axis of the radar module (refer to Figure 5-1) points to the horizontal direction, and the Y-axis points upwards. The Z axis points to the detection area. The HLK-LD2420 radar module mounted on the wall has a maximum motion sensing range of 8 m in radius and horizontal A three-dimensional fan-shaped space with an included angle of ±45°... -
Page 13: Detection Range Test
HLK-LD2420 user manual Figure 5-5 Wall-mounted sensing range 5.3.Detection range test The test methods for radar triggering and maintaining detection range are introduced as follows: Trigger scope: The target human body approaches the radar from a distance when the radar reports that there is no one there. When the radar starts to report that there are people, it stops moving forward. The current position is The boundary of the radar trigger detection range;... -
Page 14: Mechanical Dimensions
HLK-LD2420 user manual 6.Mechanical Dimensions Figure 6-1 shows the mechanical dimensions of the module, all units are mm. The plate thickness of the modules is 1.2 mm with a tolerance of ±10%. Figure 6-1 Hardware mechanical dimensions 7.Installation Notes Radar Enclosure Requirements If the radar requires an enclosure, the enclosure must have good wave-transmitting properties in the 24 GHz band and must not contain metal or be sensitive to electromagnetic waves. -
Page 15: Precautions
HLK-LD2420 user manual 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. To ensure that the installation position of the sensor is firm and stable, the shaking of the radar itself will affect the detection effect. -
Page 16: Version History
HLK-LD2420 user manual If no one is continuously detected within the time period, the "no one" status will be reported after the end of the time; if no one is detected within this time period If it is, it will end immediately and update the timing, and report the target information. -
Page 17: Important Disclaimer
HLK-LD2420 user manual important statement Hilink provides technical and reliability data (including data sheets), design resources (including reference designs), applications or other designs "as is" advice, web tools, safety information, and other resources (hereinafter referred to as "these resources"), are not warranted to be flawless and without making any express or Implied warranties, including but not limited to express or implied warranties of fitness, fitness for a particular purpose, or non-infringement of any third party intellectual property rights guarantee.
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