24Ghz HLK-LD2401 smart home sensor radar human body presence detection 7m AIoT millimeter wave sensor radar module LD2402 LD2401

Description

Shenzhen Hi-Link Electronic Co., Ltd.

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The HLK-LD2402 is Hi-Link stationary human life presence sensor, containing extremely simplified 24 GHz sensor hardware and human micro-motion sensing smart algorithm firmware.

The hardware is equipped with an AIoT millimeter wave sensor, a high-performance 24 GHz one-transmitter-one-receiver antenna, and peripheral circuits; the human presence sensing algorithm employs millimeter wave radar distance measurement technology and the radar chip’s advanced and proprietary radar signal processing technology to achieve accurate sensing of motion, micro-motion and human presence. The human presence sensing algorithm firmware is mainly used in indoor scenarios to sense whether there is movement, micro-movement or presence of the human body in the area and refresh the detection results in real time.

HLK-LD2402 has a maximum sensing distance of 10 m, and can be easily configured with a range of sensing distances, trigger and hold thresholds for different zones, and an unoccupied reporting time.HLK-LD2402 supports GPIO and UART interfaces, which is plug-and-play, and can be flexibly applied to different intelligent scenarios and end-products. It also supports automatic generation of detection thresholds to reduce manual debugging, improve detection accuracy, simplify the installation process, and facilitate large-scale deployment.

• The longest sensing distance is up to 6 meters

• Configurable distance resolution of 0.2m or 0.75m per distance door, maximum 8 distance doors) large detection angle, coverage up to ±60

• Accurate identification within the zone, support for sensing range division, shielding interference outside the zone

• Can be realized through Bluetooth or serial port multi-level intelligent reference, to meet the needs of scene changes

• Visualized debugging and configuration tools support ceiling-mounted, wall-mounted and other installation methods.

• 24GHZ ISM band, can be certified by FCC and CE spectrum regulations.

• Ultimate cost-effective choice

• Supports multiple packages, pin and chip packages are available.

• 1. Equipped with single-chip intelligent millimeter wave sensor SoC and intelligent algorithm firmware

  • 2. Ultra small sensor size: 20mm*20mm

  • 3. Load default human body sensing configuration, plug and play

  • 4. 24GHz ISM frequency band, can be certified by FCC, CE, and non commission spectrum regulations

  • 5. 3.3V and 5V power supply, supporting a wide voltage range of 3.0V~3.6V and 4.5~5.5V

  • 6. The average working current is 50mA

  • 7. Detecting targets for motion, micro motion, and the presence of a human body

  • 8. Real time reporting of detection results

  • 9. Provide visualization tools that support configuring detection distance intervals and target disappearance delay times

  • 10. Support automatic generation of detection thresholds

  • 11. Support the division of sensing range and completely shield any interference outside the interval

  • 12. The maximum distance of motion human body sensing is 10m

  • 13. Large detection angle, with a coverage range of ± 60 °

  • 14. Support multiple installation methods such as hanging on the top and wall

  • 15. Trigger and maintain state independent configuration, strong anti-interference ability

Smart Home

Sensing the presence and distance of the human body, reporting detection results for the main control module to intelligently control the operation of household appliances.

Smart security and protection

Inductive access control, building intercom, electronic peephole, etc.

Intelligent Business

Identify human proximity or distance within the set distance range; Timely light up the screen and keep the device on while the human body is present

Smart lighting

Identifying and perceiving the human body, precise position detection, can be used for lighting equipment in public places (induction lights, bulb lights, etc.).