根据温度 湿度 来计算露点的公式，很标准。-Temperature, humidity, dew point formula to calculate the standard.

Readout of Humidity (RH) and Temperature (T) from SHT1x and SHT7x sensors with basic error handling
Calculation of RH linearization and temperature compensation
Access to status register
Dewpoint calculation from RH and T values
UAR