功能

• Description
• The DHT20 is a low cost humidity and temperature sensor with a I2C digital output protocol. It can be applied to HVAC, dehumidifier, automatic control, data loggers, weather stations, and many other projects. The sensor is calibrated and doesn't require extra components so you can get right to measuring relative humidity and temperature.
• Features
• Supply Voltage:2.2-5.5V
• Communication:Standard I2C Protocol
• Humidity from 0-100% RH
• Typical accuracy:RH:±3%, T:±0.5°C
• -40 - 80 degrees C temperature range