SparkFun Humidity and Temperature Sensor Breakout - Si7021
SparkFun Humidity and Temperature Sensor Breakout – Si7021
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SparkFun Humidity and Temperature Sensor Breakout – Si7021

Part Number: SF-SEN-13763/03


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Humidity means the amount of moisture that is present in the atmosphere.Temperature on the other hand means the degree/scale of heat present in an object or surrounding.

The Si7021 is a low-cost, easy-to-use, highly accurate, digital humidity and temperature sensor. This sensor is ideal for environmental sensing and data logging and perfect for build a weather stations or humidty control system. All you need are two lines for I2C communication, and youll have relative humidity readings and very accurate temperature readings as a bonus!

There are only four pins that need to be hooked up in order to start using this sensor in a project. One for VCC, one for GND, and two data lines for I2C communication. This breakout board has built-in 4.7KΩ pullup resistors for I2C communications. If youre hooking up multiple I2C devices on the same bus, you may want to disable these resistors.

Note: Full drops of water can damage the sensor. We recommend wrapping the board in Teflon/irrigation tape for extreme conditions where water droplets may find their way onto the sensor.

Dimensions: 0.6″ x 0.6″



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