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DHTxx Sensor

The DHT11, DHT21 and DHT22 are inexpensive sensors for measuring temperature and humidity. In this article we show you how to visualize data from a DHTxx sensor in RAPIFIRE.

Components

Here are the components needed for this project:

  • Arduino YUN,
  • DHT21 sensor,
  • a breadboard,
  • 4k7 resistor (4,700 Ohms),
  • wires
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