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    AM2302 (Wired DHT22) Digital Temperature and Humidity Sensor Robotics Bangladesh
    • AM2302 (Wired DHT22) Digital Temperature and Humidity Sensor Robotics Bangladesh
    • AM2302 (Wired DHT22) Digital Temperature and Humidity Sensor Robotics Bangladesh

    AM2302 (Wired DHT22) Digital Temperature and Humidity Sensor

    RBD-4077

    The AM2302 is a wired digital temperature and humidity sensor based on the DHT22 sensing element. It measures ambient temperature and relative humidity using a capacitive humidity sensor and an internal thermistor, providing digital output through a single data wire. This sensor is suitable for embedded systems, environmental monitoring, and DIY electronics projects.

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    Description

    The AM2302 is a wired digital temperature and humidity sensor based on the DHT22 sensing element. It measures ambient temperature and relative humidity using a capacitive humidity sensor and an internal thermistor, providing digital output through a single data wire. This sensor is suitable for embedded systems, environmental monitoring, and DIY electronics projects.

    Key Features

    • Digital temperature and humidity sensing

    • Capacitive humidity sensor with thermistor

    • Single-wire digital data output

    • Pre-installed internal pull-up resistor

    • Higher accuracy and wider range than DHT11

    • Wired version with protective plastic housing

    Technical Specifications

    • Model: AM2302 (DHT22 wired version)

    • Sensor Type: Digital temperature and humidity sensor

    • Operating Voltage: 3V to 5V

    • Current Consumption:

      • Maximum 2.5 mA during data conversion

    • Humidity Measurement Range: 0 to 100 percent RH

    • Humidity Accuracy: ±2 to ±5 percent RH

    • Temperature Measurement Range: -40°C to +80°C

    • Temperature Accuracy: ±0.5°C

    • Sampling Rate: Maximum 0.5 Hz (one reading every 2 seconds)

    • Output Signal: Single-wire digital signal

    • Internal Pull-Up Resistor: 5.1 kΩ between VCC and DATA

    • Cable Length: Approximately 23 cm

    • Sensor Body Dimensions:

      • 27 x 59 x 13.5 mm (approx.)

    • Country of Origin: Made in China

    Applications / Use Cases

    • Weather monitoring systems

    • Indoor environmental monitoring

    • Smart home and automation projects

    • HVAC monitoring

    • Embedded systems and microcontroller projects

    • Educational and training use

    Package Includes

    • 1 x AM2302 temperature and humidity sensor with cable

    Notes / Warnings

    • Data can be read only once every 2 seconds

    • Each sensor requires a separate data pin

    • Not compatible with Dallas One-Wire protocol

    • Ensure correct wiring before powering the sensor

    The AM2302 temperature and humidity sensor provides reliable digital measurements with good accuracy over a wide operating range, making it a practical choice for environmental sensing in electronics and embedded applications.

    Product Details
    RBD-4077
    1 Item

    Specific References

    EAN13
    4077
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