DHT22

KES 900.00

Description

Description

  • DHT22 utilizes exclusive digital signal collecting technique and humidity sensing technology and can ouptut calibrated digital signal.
  • Small size & low consumption & long transmission distance (20 meters) enable AM2303 to be suited in all kinds of harsh applications.
  •  When power is supplied to sensor don’t send any instruction to it withing one second to pass unstable status.
  • It uses a capacitive humidity sensor and a thermistor to measure the surrounding air, and spits out a digital signal on the data pin.
  • Connections are simple, the first pin on the left to 3-5V power, the second pin to your data input pin and the right most pin to ground.

    One 100nF capacitor can be added between VDD and GND for wave filtering.

    Technical details:

    • Power: 3-5V
    • Max Current: 2.5mA
    • Humidity: 0-100%, 2-5% accuracy
    • Temperature: -40 to 80°C, ±0.5°C accuracy

       http://playground.arduino.cc/Main/DHTLib

      Google for ‘DHT22 datasheet’ or ‘RHT03 datasheet’ for available datasheets

      download DHT22 datasheet

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