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DHT22 2 click - MikroElektronika CM2322 Sensor Environmental Temperature

  • $29.00AUD
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  • DHT22 2 click - MikroElektronika CM2322 Sensor Environmental Temperature

    DHT22 2 click is used for measuring the environmental temperature and relative humidity. It uses the CM2322 sensor, with very accurate thermal and humidity measuring capabilities. It can use either 1-Wire or I2C protocol to communicate with the integrated circuit.

    Attributes like the ultra-small size, low power consumption, data signal transmission distance up to 20 meters, make this sensor the perfect choice for all kinds of applications that require measurement of the temperature and humidity.

    How does the click work?

    The sensor used on this click is CM2322. This sensor contains humidity and temperature measurement elements, compensated and calibrated in the accurate calibration chamber. The calibration coefficient is saved in the OTP memory of an integrated MCU. The integrated MCU also provides I2C or 1-Wire interface, selectable by the onboard SMD jumper selectors. The operating voltage can also be selected by the onboard SMD jumper.

    Typical temperature accuracy is ±0.3°C, while relative humidity accuracy is 2% RH, with the resolution of 0.1 for both measured properties.

    I2C/1-Wire interface is used to communicate with the host MCU, sending the measurement data every 2 seconds. Proprietary data collecting techniques are used to average the sampled values, after which the result is sent via the I2C/1-Wire bus.

    Specifications

    Type Temperature / Humidity
    On-board modules CM2322 sensor with very accurate thermal and humidity measuring capabilities
    Key Features Great measuring accuracy: ±0.3°C, ±2%RH at 25°C, ultra-small size, low power consumption, signal transmission distance up to 20 meters.
    Interface 1-wire,I2C
    Input Voltage 3.3V or 5V
    Click board size M (42.9 x 25.4 mm)

     

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