DHT22 Temperature/Humidity Sensor Interfacing With Arduino

HARDWARE REQUIRED

  1. ARDUINO UNO
  2. DHT22/RHT03 Temperature Humidity Sensor

ABOUT THE SENSOR

Description: The RHT03 (also known by DHT-22) is a low cost humidity and temperature sensor with a single wire digital interface. The sensor is calibrated and doesn’t require extra components so you can get right to measuring relative humidity and temperature.

Features:

  • 3.3-6V Input
  • 1-1.5mA measuring current
  • 40-50 uA standby current
  • Humidity from 0-100% RH
  • -40 – 80 degrees C temperature range
  • +-2% RH accuracy
  • +-0.5 degrees C

DATASHEET

PIN CONFIGURATION

DHT22pins.jpg

SOFTWARE REQUIRED

  1. ARDUINO IDE

SCHEMATICS

fritzing.dht.png

dht22 d.jpg

DOWNLOAD FULL SOURCE CODE AND OTHER FILES FROM HERE

HAPPY INTERFACING:)

TECEX

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