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    Hi-Link LD2420 24GHz Radar Sensor Module Robotics Bangladesh
    • Hi-Link LD2420 24GHz Radar Sensor Module Robotics Bangladesh

    Hi-Link LD2420 24GHz Radar Sensor Module

    RBD-3222
    Hi-Link

    • Hi-Link LD2420 – high-sensitivity 24GHz FMCW radar sensor for human presence detection.
    • Detects both motion and stationary targets with high precision and reliability.
    • Detection range: up to 8m (wall-mounted) or 5m (ceiling-mounted).
    • UART interface + digital output for easy integration with microcontrollers.
    • Low power consumption (3.3V, ~50mA) ideal for IoT and automation projects.
    • Designed for smart homes, offices, healthcare, and security systems.
    BDT 550
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    Description

    The Hi-Link LD2420 24GHz Radar Sensor Module is a compact and high-performance FMCW radar device designed for precise human presence detection in smart automation and IoT systems. Unlike traditional PIR sensors, the LD2420 can detect both moving and stationary human targets with exceptional accuracy, even through non-metallic obstacles. Featuring a sensing range of up to 8 meters (wall-mounted) and 5 meters (ceiling-mounted), it offers flexible installation for diverse indoor environments. Operating on 3.3VDC at ~50mA, this module delivers low-power yet real-time data output via UART communication and a digital HIGH/LOW output pin for quick signal triggering. With its ±60° wide sensing angle, compact 20×20mm size, and data refresh rate of 10Hz, the Hi-Link LD2420 provides reliable, responsive, and privacy-friendly human detection for automation, security, and intelligent environmental control. Featured By RoboticsBD.

    Product Images are shown for illustrative purposes only and may differ from the actual product.

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    Features:

    1. FMCW Radar Technology: Enables accurate detection of moving and stationary targets.

    2. Wide Detection Range: Up to 8m wall-mounted and 5m ceiling-mounted.

    3. High Accuracy: ±0.35m distance accuracy with 0.7m resolution.

    4. Wide Field Coverage: ±60° sensing angle ensures broad detection.

    5. Real-Time Output: 10Hz data refresh rate for immediate presence reporting.

    6. Dual Output Options: UART communication and digital HIGH/LOW output.

    7. Low Power Operation: Consumes only ~50mA at 3.3V.

    8. Compact Design: Small 20×20mm form factor for easy integration.

    9. Durable and Reliable: Operates between -40°C to +85°C for versatile environments.

    10. FCC & CE Certified: Meets international compliance standards.

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    Applications:

    1. Smart Homes: Automate lighting, climate, and security based on presence.

    2. Office and Retail: Optimize occupancy detection for energy management.

    3. Healthcare and Elderly Care: Monitor human presence for safety and assistance.

    4. Security Systems: Enhance motion sensing and anti-intrusion systems.

    5. Industrial Automation: Detect personnel in restricted or hazardous zones.

    6. IoT Solutions: Integrate with smart platforms for intelligent occupancy analytics.

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    General Specifications
    Product ModelHi-Link LD2420
    Frequency Band24 – 24.25GHz (FCC/CE Compliant)
    Radar TypeFMCW (Frequency Modulated Continuous Wave)
    Detection Range (Wall)Up to 8m (6m for micro-motion)
    Detection Range (Ceiling)Up to 5m (4m for micro-motion)
    Distance Accuracy±0.35m
    Resolution0.7m
    Sensing Angle±60°
    Operating Voltage3.0 – 3.6V DC
    Output Voltage3.3V Logic Level
    Current Consumption~50mA
    Communication InterfaceUART (Default Baud Rate: 256000)
    Data Refresh Rate10Hz
    Output TypeUART + Digital HIGH/LOW
    Pin Pitch2.54mm
    Dimensions (mm)~20 × 20
    Temperature Range-40°C to +85°C
    Mounting OptionsWall or Ceiling
    ApplicationsHuman Presence Detection, IoT, Smart Devices
    Shipment Weight0.0038 kg
    Shipment Dimensions (cm)4 × 2 × 2

    Please allow 5% measuring deviation due to manual measurement.

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    Documentation:

    Pin Description:
    1. OT1: UART TX pin (Transmit data)
    2. RX: UART RX pin (Receive data)
    3. OT2: Digital output pin (HIGH = Human detected, LOW = No detection)
    4. GND: Ground
    5. 3V3: Supply voltage (3.0 – 3.6VDC)

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    How to Use:

    Power Supply:

    • Connect the 3V3 pin to a 3.0 – 3.6VDC power source and the GND pin to ground.

    Communication Setup:

    • Use the UART interface (TX and RX pins) to communicate with a microcontroller or computer.
    • Configure the communication protocol using the default baud rate of 256000.

    Digital Output Monitoring:

    • Monitor the OT2 pin for HIGH/LOW signals to detect human presence without UART communication.

    Installation:

    • For wall-mounted applications, set the sensor at an appropriate angle for maximum detection range (up to 8 meters).
    • For ceiling-mounted setups, install the sensor at a height of up to 5 meters.

    Integration and Testing:

    • Integrate the sensor into your system and use the provided tools and resources to calibrate and monitor performance.

    Package Includes:

    1 x Hi-Link LD2420 24GHz Radar Sensor Module

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    Product Details
    RBD-3222
    8 Items

    Specific References

    EAN13
    3222
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