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Temperature and Humidity Sensor with I2C Si7021 10*12mm

Temperature and Humidity Sensor with I2C Si7021 10*12mm

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Temperature and humidity sensor HTU21D/SHT21/Si7021

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4,70 €


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Digital temperature sensor and high humidity relative humidity

This humidity and temperature sensor is a solid-state CMOS chip. The chip functions as a humidity and temperature sensor, an analog-to-digital converter, a signal processor, a data calibrator, and an I2C interface handler. Patented industrial standard technology, using polymer dielectrics for moisture sensing, allows the creation of solid-state CMOS sensors with low drift, hysteresis and long-term stability of readings.

The humidity and temperature sensor is calibrated at the factory and the calibration data is stored in nonvolatile memory. This ensures that the sensors are completely interchangeable and do not require calibration or software changes

The parameters v

  • Range of relative humidity measurement 0 ... 100%
  • Accuracy of measurement of relative humidity ± 3% RH in the range 0 ... 80% RH
  • Temperature measurement range -40 ... +125 ° C
  • Accuracy of temperature measurement ± 0.4 ° C in the range -10 ... 85 ° C
  • The supply voltage is 1.9 ... 3.6 V
  • Current consumption in active state 150 μA
  • Current consumption in standby mode 60 nA
  • I2C communication interface
  • Dimensions 13 x 10 mm

Biblioteka - https://github.com/enjoyneering/HTU21D

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Temperature and Humidity Sensor with I2C Si7021 10*12mm

Temperature and Humidity Sensor with I2C Si7021 10*12mm

Temperature and humidity sensor HTU21D/SHT21/Si7021

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