HTU21D Humidity Sensor Module I2C Maximize

HTU21D Humidity Sensor Module I2C

Digital humidity and temperature sensor that communicates via I2C.

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Last Updated: 03/04/2024





  • Highly accurate, easy to use digital humidity and temperature sensor
  • Ideal for environmental sensing and data logging
  • Suitable for weather stations and humidor control systems.
  • Uses two pins for I2C communication
  • Measures relative humidity and temperature
  • Pinout:
    • VCC: Power
    • GND: Ground
    • DA: I2C Data Pin
    • CL: I2C Clock Pin
  • Built in 4.7K pull up resistors
  • Pull up resistors can be disabled for hooking up multiple I2C devices on the same bus
  • Power supply: 1.5V - 3.6V DC
  • Humidity measure range: 0-100% RH
  • Temperature measure range: -40C to 105C
  • Max. power consumption: 2.7uW
  • Communication: I2C
  • Humidity precision (10%RH to 95%RH): 2%RH
  • Humidity delay: +/-1% RH
  • Measure time: 50ms
  • Year drift: -0.5% RH / year
  • Response time: 5s
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