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    Gravity: PM2.5 Air Quality Sensor Robotics Bangladesh
    • Gravity: PM2.5 Air Quality Sensor Robotics Bangladesh
    • Gravity: PM2.5 Air Quality Sensor Robotics Bangladesh

    Gravity: PM2.5 Air Quality Sensor

    RBD-3001
    DFRobot

    • Gravity PM2.5 Air Quality Sensor for detecting PM1.0, PM2.5, and PM10 particles
    • Uses laser scattering principle for highly accurate and real-time measurements
    • Supports I2C digital output with low false alarm rate and fast response time (<1s)
    • Ultra-thin 12mm design, suitable for portable and embedded applications
    • Works with Arduino, Raspberry Pi, and most main-controllers via Gravity interface
    • Ideal for environmental monitoring, smart devices, and indoor air quality projects
    BDT 7,200
    BDT 7,200 BDT 7,200 BDT 7,200 BDT 7,200
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    Description

    The Gravity: PM2.5 Air Quality Sensor is a high-precision digital particle sensor designed for real-time monitoring of particulate matter such as PM1.0, PM2.5, and PM10. Using the principle of laser scattering, it captures suspended particles in the air and calculates particle size and concentration with high accuracy. The sensor provides reliable output via the I2C interface, making it easy to integrate with Arduino, Raspberry Pi, and other controllers using the Gravity interface. With a minimum recognizable particle size of 0.3µm, strong anti-interference shielding, and a quick response time of less than 1 second, it ensures accurate air quality readings. Compact and ultra-thin, this sensor is ideal for portable air monitors, smart home devices, environmental improvement equipment, and educational projects. Featured By RoboticsBD.

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

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    Features:

    1. Laser Scattering Technology – Accurate detection of PM1.0, PM2.5, and PM10.

    2. Fast & Reliable – Single response time <1s, continuous real-time monitoring.

    3. High Sensitivity – Detects particles as small as 0.3µm with high efficiency.

    4. Low False Alarm Rate – Stable performance with strong anti-interference shielding.

    5. I2C Interface – Easy integration with Arduino, Raspberry Pi, and other MCUs.

    6. Compact Design – Slim 12mm body, suitable for portable and embedded systems.

    7. Long Lifespan – MTBF of ≥5 years for reliable long-term use.

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    Applications:

    1. Air Quality Monitoring – Track PM2.5 and other pollutants in real time.

    2. Smart Devices – Use in air purifiers, smart homes, and HVAC systems.

    3. Environmental Projects – Measure pollution in cities, factories, or labs.

    4. Health & Safety – Monitor air quality in smoking rooms, kitchens, and offices.

    5. Educational Use – Ideal for students and researchers learning about air pollution.

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    General Specifications
    Working Voltage3.3V – 5V
    Max Working Current100mA
    Standby Current≤2mA
    InterfaceI2C Digital Output
    Particle Measurement Range0.3~1.0μm, 1.0~2.5μm, 2.5~10μm
    Counting Efficiency50% @0.3μm, 98% @≥0.5μm
    PM2.5 Concentration Range0–500 µg/m³ (effective), ≥1000 µg/m³ (max)
    Resolution1 µg/m³
    Accuracy±10% @100–500 µg/m³; ±10 µg/m³ @0–100 µg/m³
    Response Time<1s (single), ≤10s (comprehensive)
    Working Temperature-10℃ to +60℃
    Humidity Range0–95% (non-condensing)
    MTBF≥5 years
    Dimensions67 × 40 × 14 mm
    Shipment Weight0.0122 kg
    Shipment Dimensions7 × 3 × 3 cm

    Please allow 5% measuring deviation due to manual measurement.

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    Documentation:

    DFRobot brings you this Air Quality Sensor that can measure particulate matter like PM2.5, PM1.0, PM10.

    With easy-to-use Gravity interface, the air quality sensor works well with most main-controllers. And we provide you with relevant sample codes to help you quickly build up air quality monitoring projects.

    Based on the principle of laser scattering, the PM2.5 air quality sensor employs a digital universal particle sensor that can continuously collect and calculate the number of suspended particles of different sizes in the air per unit volume, which is particle concentration distribution, and then convert to concentration and output via I2C interface.

    The sensor can be embedded in various instruments and meters or environmental improvement equipment related to the concentration of suspended particulate matter in the air to provide timely and accurate concentration data.

    It is typically suitable for smoking rooms, kitchens, hot springs, bathrooms and other environments.

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    How does the sensor work?

    This sensor adopts the principle of laser scattering, that is, to make the laser irradiate the suspended particles in the air to produce scattering, and at the same time collect the scattered light at a certain angle, and obtain the curve of the intensity of the scattered light with time. Furthermore, the microprocessor, based on the MIE theory algorithm, obtains the equivalent particle size of the particles and the number of particles of different particle sizes per unit volume.

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    DOCUMENTS

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    Package Includes:

    1 x Gravity: PM2.5 Air Quality Sensor

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    Product Details
    RBD-3001
    3 Items

    Specific References

    EAN13
    3001
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    BDT 1,682 tax excl.
    BDT 1,682 tax excl.
    BDT 0 Tax
    BDT 1,682 tax incl.
    More Flex Sensor 2.2" Original
    In-Stock
    In stock: 8
    Sold-out US-015 Ultrasonic Module Distance Measuring Transducer Sensor Robotics Bangladesh US-015 Ultrasonic Module Distance Measuring Transducer Sensor Robotics Bangladesh

    Reference: RBD-0315

    US-015 Ultrasonic Module Distance Measuring Transducer Sensor

    (0)
    Working voltage: DC 5 V Static current: 3 mA Working temperature: 0 ~ + 70° Output way: GPIO Induction Angle: Less than 15° Detection range:2 cm to 400 cm Detecting precision: 0.3 cm + 1% Sensor size: Approx. 45 x 20 x 1.6mm Hole diameter: Approx. 1mm. RoboticsBD
    BDT 255
    BDT 255 tax incl.
    BDT 255 tax excl.
    BDT 255 tax excl.
    BDT 255 tax incl.
    BDT 255 tax incl.
    BDT 0 Tax
    BDT 255 tax excl.
    BDT 255 tax excl.
    BDT 0 Tax
    BDT 255 tax incl.
    More US-015 Ultrasonic Module Distance Measuring Transducer Sensor
    Sold-out
    In stock: 0
    - BDT 241 Reduced price Force Sensitive Resistor 0.

    Reference: RBD-0368

    Force Sensitive Resistor 0.5"

    (0)
    Thickness: 0.4mm Trigger Force: 20g, triggered (default resistance&lt;200kΩ)  Pressure Measuring Range: 20g~6kg Static Pressure & Dynamic Pressure Measurement (within the frequency of 10Hz) Initial Resistance: &gt;10MΩ Activation Time: &lt;0.01S Operating Temperature: -40°C~+85°C  Lifespan: &gt;1million times Hysteresis: +10%，(RF+ -RF-)/FR+，1000g...
    BDT 649 BDT 890
    BDT 890 BDT 649 tax incl.
    BDT 890 BDT 649 tax excl.
    BDT 890 BDT 649 tax excl.
    BDT 890 BDT 649 tax incl.
    BDT 890 BDT 649 tax incl.
    BDT 0 BDT 0 Tax
    BDT 890 BDT 649 tax excl.
    BDT 890 BDT 649 tax excl.
    BDT 0 BDT 0 Tax
    BDT 890 BDT 649 tax incl.
    More Force Sensitive Resistor 0.5"
    In-Stock
    In stock: 15

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