HLK-LD2412 ±75° Human Presence Detection Radar Module is a highly sensitive 24GHz module for human presence state sensing. It operates on the principle of FMCW frequency modulation continuous wave to detect human targets. With advanced radar signal processing and precise sensing algorithms, it achieves high sensitivity detection of both moving and stationary humans.
HLK-LD2412 ±75° Human Presence Detection Radar Module is primarily used in indoor scenes, it can detect human body movement or micro-movement in the perception area and output real-time results. It has a maximum sensing distance of 9 meters and a distance resolution of 0.75 meters. It also provides a visual configuration tool for customizing sensing distance range, sensitivity in different intervals, and unmanned delay time.
HLK-LD2412 ±75° Human Presence Detection Radar Module supports GPIO and UART outputs, offering plug-and-play convenience. It can be flexibly applied to various intelligent scenarios and terminal products, enhancing the functionality and intelligence of different systems.
Features
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Plug and play, simple assembly method
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The farthest sensing distance can reach up to 9 meters, and the nearest and farthest detection distances can be configured
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Large detection angle, with a coverage range of ± 75 degrees
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Multi level intelligent parameter tuning to meet the needs of scene changes
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Visual debugging and configuration tools
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Compact and simplified, supporting multiple installation methods such as ceiling and wall mounting
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24GHz ISM frequency band, certified by FCC and CE spectrum regulations
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The ultimate cost-effective choice
Parameters
- Frequency: 24G-24.25GHz
- Modulation Type: FMCW
- Detection Distance: Distance resolution 0.75m, adjustable from 0.75m to 9m
- Detection Angle: ±75°
- Power Supply: 3.3V or 5V (Power capacity >200mA)
- Current: ~90mA (Typ.)
- Output Serial Port Level: 3.3V
- Frequency Sweep Bandwidth: 250MHz (Compliant with CE/FCC certification standards)
- Operating Temperature: -40°C to +85°C
- Dimensions: 11mm x 28mm
- Package Type: Default with pins
Pin Definition
| Pin Symbol | Name | Function |
|---|---|---|
| OUT | Target Status Output | Default: Detects the presence of a person: outputs high level. No presence: outputs low level. Output level can be configured by commands. |
| TX | Serial Port Tx | Serial port Tx pin |
| RX | Serial Port Rx | Serial port Rx pin |
| +5V | 5V Power Input | Power input: 5V; 5V and 3.3V power supply can be selected. |
| 3V3 | 3.3V Power Input | Power input: 3.3V; 5V and 3.3V power supply can be selected. |
| GND | Ground | Power ground |
| G | Ground | Power ground |
Includes
- LD2412 Module ×1
- LD2412 Test Kit : LD2412 Modul×1+ 2.54mm*5Pin DuPont Cable×1+Serial
CH340×1
Applications
- Human Sensor Light Control
- Advertising screen
- Intelligent Home Appliances
- Intelligent Security
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