Temperature & Humidity Sensor Module (DHT22)

Introduction :

Temperature & Humidity Sensor Module (DHT22) is low-cost digital temperature and humidity sensor.

It uses a capacitive humidity sensor and a thermistor to measure thsurrounding air.

Features :

• Operating Voltage: 3.5V to 5.5V
• Operating current: 0.3mA (measuring) 60uA (standby)
• Output: Serial data
• Temperature Range: -40°C to 80°C
• Humidity Range: 0% to 100%
• Resolution: Temperature and Humidity both are 16-bit
• Accuracy: ±0.5°C and ±1%

Applications:

• Weather forcasting.
•  Home Automation.
• Weather control applications.