Si7021, I2C temperature and humidity measurement for Arduino, ESP8266, ESP Easy, Raspberry Pi projects

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Si7021, I2C temperature and humidity measurement for Arduino, ESP8266, ESP Easy, Raspberry Pi projects

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The Si7021 sensor enables accurate temperature and humidity measurements. It is equivalent in terms of characteristics to DHT22. It is a much more compact digital sensor (like the SHT30 used by Wemos for its shield or the Xiaomi temperature sensor) which transmits the measurements via the I2C bus. It will be very easy to integrate into Arduino, ESP8266 and Raspberry Pi projects. It is supported by ESP Easy firmware for ESP8266 WiFi modules.

Si7021 technical specifications

  • Temperature measuring range: -10°C to +85°C
  • Measuring accuracy: +/- 4°C
  • Range of humidity measurement: 0 to 80% RH
  • Measurement accuracy: +/- 3%
  • Supply voltage: 1,9 to 3,6V
  • I2C output

Si7021, I2C temperature and humidity measurement Offers

GY-213V-SI7021 Si7021 Capteur d'humidité de haute précision de 3.3V avec interface I2C...
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Feamos Si7021 Industrial High Precision Humidity Sensor with I2C Interface for Arduino
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Si7021 Industrial High Precision Humidity Sensor I2C Interface for Arduino
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SparkFun Humidity and Temperature Sensor Breakout - Si7021
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-13% Adafruit (PID 3251) Si7021 Temperature & Humidity Sensor Breakout Board
$12.95 $14.95 1 used from $2.50
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ESP Easy compatible sensors and actuators offers

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Last Amazon price update was: 3 March 2021 2 h 03 min
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