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General| Operating Frequency | 24 GHz |
|---|---|
| Modulation | FMCW |
| Supply Voltage | 5V |
| Interface | UART |
| Wireless Standard | IEEE 802.15.4 |
| Output Voltage | 3.3V |
| Operating Temperature | -40 to +85 °C |
| Efficiency | 85% |
Key features of the HLK-LD2420 module, including size, power, and performance characteristics.
Examples of HLK-LD2420 usage in smart home, business, security, and smart lighting applications.
Technical parameters of the HLK-LD2420 module, covering frequency, power, voltage, size, and temperature range.
Description of the SWD interface used for programming and debugging the module's MCU.
Detailed explanation of the pinout and functions for the J1 interface on the module.
Detailed explanation of the pinout and functions for the J2 interface on the module.
Guidance on debugging the radar module firmware and connecting it for configuration.
Instructions for using the host computer tool to configure module parameters and optimize performance.
Detailed explanation of the parameters available in the host computer tool interface.
Steps for performing an energy scan using the host computer tool to analyze sensor data.
Procedure for viewing and analyzing energy data collected by the host computer tool.
Recommended height and detection range for installing the HLK-LD2420 module on a ceiling.
Recommended height and detection range for mounting the HLK-LD2420 module on a wall.
Methods for testing the radar's trigger scope and keep range for accurate detection.
Requirements for radar enclosures, focusing on wave transmission and electromagnetic shielding properties.
Factors to consider in the installation environment to ensure optimal sensor performance and avoid interference.
Essential precautions to take during installation to ensure correct operation and prevent issues.
Notes on power supply voltage, ripple characteristics, and electromagnetic compatibility (EMC) design.
Information on detection distance, accuracy, firmware baud rate, and target disappear delay settings.
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