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The HTU21D arduino shield series grove humidity temperature sensor is a self-contained humidity and temperature sensor that is fully calibrated during manufacturing.  The sensor module works in 5V external, and the sensor has selectable resolution, low battery detect, and checksum capability. The HTU21D has a low power stand-by mode for power-sensitive applications.  


  • Measures relative humidity from 0% to 100%
  • Measures temperature from -40°C to 125°C
  • I2C communication/interface
  • Fully calibrated
  • Fast response time - 5 seconds typical
  • Selectable resolution
  • Recovers fully from condensation
  •  Fast conversion time – 14 ms typical 
  • Very low power consumption  
  • Operates in 5V
  • Built-in heater for fast recovery from saturation
  •  4-pin Grove compatible connector
  • Selectable 8-12 bits resolution for humidity 
  • Selectable 11-14 bits resolution for temperature
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Please review product documents or contact us for the latest agency approval information.  

Product Type Features

  • Product Type  Grove System

  • Sensor Type  Humidity

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