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Summary of Contents for Hi-Link HLK-LD2461
- Page 1 Shenzhen Hi-Link Electronic Co., Ltd. HLK-LD2461 Motion target detection and tracking module User manual...
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Page 2: Table Of Contents
User manual CONTENTS 1. Product Overview ................2 2. Specification Parameter ..............2 2.1. Detect angle and distance ............2 2.2. RF performance ................2 2.3. Electrical characteristics ............3 3. Module dimensions and pin description ..........3 3.1. Module dimensions package .............3 3.2. -
Page 3: Product Overview
User manual 1. Product Overview HLK-LD2461 is a 24GHz millimeter wave radar product for human perception, which is composed of two 1 transmit and 2 receive millimeter wave radar chips, high-performance microstrip antenna, high-performance MCU and peripheral auxiliary circuit. The operating band is 24.00GHz to 24.25GHz, which is the ISM band. -
Page 4: Electrical Characteristics
2.3. Working voltage（VCC） Working current（ICC） Operating temperature ℃ （TOP） Storage temperature ℃ （TST） 3. Module dimensions and pin description dimensions Module package 3.1. Figure 1 Schematic diagram of HLK-LD2461 radar module structure Pin description 3.2. Figure 2 HLK-LD2461 physical picture... -
Page 5: Use Wiring Diagram
4. Main functions and performance Radar module operating range 4.1. The beam coverage of HLK-LD2461 radar module is shown in Figure 4. Radar coverage is a stereoscopic sector of 90° horizontal and 50° pitch. 4 Schematic diagram of HLK-LD2461 radar coverage area... -
Page 6: Main Functions And Performance
NONE. The length of the transmitted data is variable, depending on the number of targets detected. See details： HLK-LD2461 Serial Communication Protocol for details. 6. Radar installation method The recommended installation methods for the radar module include horizontal installation and inclined installation. -
Page 7: Slanting Installation
User manual The radar installation height is recommended to be 1 m ~1.5 m, the radar is installed horizontally and forward, the installation Angle is ≤±5°, and there is no obvious shielding and covering in front of the radar. The radar normal direction is aligned with the main detection position to ensure that the main beam of the radar antenna covers the detection area. -
Page 8: Typical Application Pattern
User manual Figure 6 Oblique view of the installation diagram 7. Typical application pattern Smart home appliance application 7.1. The radar is installed inside the home appliance and can monitor the personnel condition within the detection range of the radar in real time. According to the radar detection results (manned/unmanned), the equipment can adjust the working mode of the equipment in real time or quasi-real time (working, low power consumption, standby, shutdown, etc.) to realize the... -
Page 9: Home Place Application
User manual Home place application 7.2. For home, hotel, office, toilet and other places, this product on the place there is no movement target, personnel movement direction (close, far away), there is no personnel and other real-time detection, and then achieve security, electrical control, personnel monitoring and other functions. -
Page 10: Power
User manual Power 8.4. The requirement of radar module on power quality is higher than that of conventional low-frequency circuit. When supplying power to the module, ensure that there is no obvious burr or ripple in the power supply. In order to ensure the normal operation of the VCO circuit inside the module, the power input voltage range is 4.2V~5.4V, the power ripple should be within 100kHz without obvious spectral peak, and the peak current can support 180mA. - Page 11 User manual Shenzhen Hi-Link Electronic Co., Ltd. Address：17F,Building E, Xinghe WORLD, Minzhi Street, Long Hua district, Shenzhen 51813 Email：sales@hlktech.com Website：www.hlktech.net...
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