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    2 Channel LDR Photosensitive Resistance Sensor Module Robotics Bangladesh
    • 2 Channel LDR Photosensitive Resistance Sensor Module Robotics Bangladesh

    2 Channel LDR Photosensitive Resistance Sensor Module

    RBD-3123

    • Dual LDR light sensors for simultaneous light intensity detection
    • Uses LM393 voltage comparator for clean and stable digital signal output
    • Adjustable sensitivity via onboard potentiometer
    • Compatible with 3.3V–5V microcontroller systems like Arduino and ESP32
    • Digital switch output (0/1) for simple light threshold control
    • Ideal for automatic lighting, robotics, and environmental monitoring
    BDT 205
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    Quantity
    In-Stock
    90 Items

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    Description

    The 2 Channel LDR Photosensitive Resistance Sensor Module is a reliable and efficient solution for projects requiring light intensity detection and control. Featuring two independent light-dependent resistors (LDRs), the module can detect light levels across dual sources, making it perfect for line-following robots, light-tracking systems, or automatic illumination control. The onboard LM393 comparator ensures a clean digital output signal and strong drive capability (>15mA), while a built-in potentiometer allows users to easily adjust sensitivity to different lighting conditions. With a digital output (0/1) that interfaces directly with Arduino, ESP32, and other 3.3V–5V microcontrollers, this module offers a plug-and-play approach to light-based automation. Compact and easy to mount with bolt holes, it’s an essential component for robotics, smart lighting, and ambient light sensing applications. Featured By RoboticsBD.

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

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    Features:

    1. Dual LDR Detection: Two photosensitive sensors for simultaneous light intensity monitoring.

    2. LM393 Comparator: Ensures clean, noise-free signal output with strong current drive.

    3. Adjustable Sensitivity: Onboard potentiometer for precise light threshold calibration.

    4. Digital Output: Simple 0/1 switch output compatible with digital logic systems.

    5. Microcontroller Compatible: Works with 3.3V–5V platforms like Arduino, ESP8266, and Raspberry Pi.

    6. Compact Design: Lightweight PCB with mounting holes for easy integration.

    7. Reliable Performance: Fast response and high accuracy for real-time light measurement.

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    Applications:

    1. Automatic Lighting Systems: Activate lamps or devices based on ambient light.

    2. Robotics and Automation: Ideal for line-following or light-tracking robots.

    3. Smart Home Projects: Detect sunlight or brightness for energy-saving control.

    4. Security Systems: Trigger alarms or sensors based on light changes.

    5. Educational Projects: Demonstrate photoresistor and comparator-based light detection.

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    General Specifications
    Model2 Channel LDR Sensor Module
    Number of Channels2
    Sensor TypeLDR (Light Dependent Resistor)
    ComparatorLM393 Wide Voltage Comparator
    Operating Voltage3.3V – 5V
    Output TypeDigital (0 and 1)
    Current Drive>15mA
    Sensitivity AdjustmentPotentiometer (onboard)
    PCB Size3.2 × 1.7 cm
    MountingBolt holes for easy installation
    CompatibilityArduino, ESP8266, ESP32, Raspberry Pi
    ApplicationsLight detection, automation, robotics
    Shipment Weight0.0042 kg
    Shipment Dimensions4 × 2 × 2 cm

    Please allow 5% measuring deviation due to manual measurement.

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    Package Includes:

    1 x 2 Channel LDR Photosensitive Resistance Sensor Module

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    Product Details
    RBD-3123
    90 Items

    Specific References

    EAN13
    3123
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    BDT 8,350 tax excl.
    BDT 8,350 tax excl.
    BDT 8,350 tax incl.
    BDT 8,350 tax incl.
    BDT 0 Tax
    BDT 8,350 tax excl.
    BDT 8,350 tax excl.
    BDT 0 Tax
    BDT 8,350 tax incl.
    More Metal Robot Tracked Tank Chassis Car Kit for RC Robot Arm & DIY STEM Projects
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    Toggle Switch and Cover - Illuminated (Blue) Robotics Bangladesh

    Reference: RBD-3215

    Toggle Switch and Cover - Illuminated (Blue)

    (0)
    Blue illuminated toggle switch with protective missile-style cover. Rated for 20A at 12V DC — reliable for high-current circuits. Built-in LED illumination (works from as low as 3.3V). Secure locking cover prevents accidental activation. Ideal for automotive, marine, and DIY electronic projects. Compact design fits standard 12mm mounting holes. Note: The...
    BDT 350
    BDT 350 tax incl.
    BDT 350 tax excl.
    BDT 350 tax excl.
    BDT 350 tax incl.
    BDT 350 tax incl.
    BDT 0 Tax
    BDT 350 tax excl.
    BDT 350 tax excl.
    BDT 0 Tax
    BDT 350 tax incl.
    More Toggle Switch and Cover - Illuminated (Blue)
    In-Stock
    In stock: 11
    Toggle Switch and Cover - Illuminated (Green) Robotics Bangladesh

    Reference: RBD-3214

    Toggle Switch and Cover - Illuminated (Green)

    (0)
    Illuminated toggle switch with green LED and protective missile-style cover. Rated for 20A at 12V, suitable for high-current applications. LED operates from 3.3V, compatible with microcontrollers and automotive use. Panel mountable in a 12mm hole for secure and professional installation. Safety cover prevents accidental toggling, adding a sleek control...
    BDT 350
    BDT 350 tax incl.
    BDT 350 tax excl.
    BDT 350 tax excl.
    BDT 350 tax incl.
    BDT 350 tax incl.
    BDT 0 Tax
    BDT 350 tax excl.
    BDT 350 tax excl.
    BDT 0 Tax
    BDT 350 tax incl.
    More Toggle Switch and Cover - Illuminated (Green)
    In-Stock
    In stock: 9
    Toggle Switch and Cover - Illuminated (Orange) Robotics Bangladesh

    Reference: RBD-3216

    Toggle Switch and Cover - Illuminated (Orange)

    (0)
    Orange illuminated toggle switch with protective missile-style cover. Rated for 20A at 12V DC — perfect for heavy-duty applications. Built-in LED illumination (works with as low as 3.3). Secure locking cover prevents accidental switching. Ideal for automotive, marine, and robotics control panels. Compact 12mm panel mount design for easy installation....
    BDT 350
    BDT 350 tax incl.
    BDT 350 tax excl.
    BDT 350 tax excl.
    BDT 350 tax incl.
    BDT 350 tax incl.
    BDT 0 Tax
    BDT 350 tax excl.
    BDT 350 tax excl.
    BDT 0 Tax
    BDT 350 tax incl.
    More Toggle Switch and Cover - Illuminated (Orange)
    In-Stock
    In stock: 14

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