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Si7021 I2C Temperature & Humidity Sensor

Measure relative humidity and temperature accurately with this I2C Humidity & Temperature Sensor! Accurate to ± 3% RH and ±0.4 °C. Arduino and Raspberry Pi Compatible.

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Availability: SHIPS TODAY

Last Updated: 06/14/2024

Tinkersphere

TS4250

$9.95

Specifications:

  • Operating Voltage: 3V to 5V Input
  • Operating Humidity: 0-80% Relative Humidity
  • Communication Protocol: I2C
  • Operating Temperature: -10 - 85C
  • Relative Humidity accuracy: +- 3%
  • Temperature Accuracy: +-0.4 deg C
  • Optional factory-installed white PTFE filter which protects the sensor from liquids and particulates
  • Default I2C Address: 0x40
  • Compatible with:
    • Arduino UNO
    • Arduino Mega
    • Raspberry Pi

 

Pinout:

  • Vin: 3V - 5V DC
  • 3Vo: 3.3V output (up to 100mA)
  • GND: 0V
  • SCL: I2C clock pin (connect to microcontroller's I2C clock pin)
  • SDA: I2C data pin (connect to microcontroller's I2C data pin)

 

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