SHT21 Series 3 V -40 to +125 °C Digital Humidity & Temperature Sensor IC - DFN-6, Relative humidity, Humidity sensor chip, temperature humidity, humidity monitor, Dew point sensor, thermal conductivity, soil moisture, transmission coolant https://www.futureelectronics.com/p/semiconductors--analog--sensors--humidity-dew/sht21-tr-0-4ks-sensirion-5049816