Dew point sensor, soil moisture, digital home humidity sensor, Humidity sensor chip - tatanh1983/conchodom GitHub Wiki
SHT21 Series 3 V -40 to +125 °C Digital Humidity & Temperature Sensor IC - DFN-6 https://www.futureelectronics.com/p/semiconductors--analog--sensors--humidity-dew/sht21-tr-1-5ks-sensirion-1049817