Driver for Adafruit's Si7021 humidity / temp sensor breakout
Designed specifically to work with the Si7021 breakout in the adafruit shop
This chip uses I2C to communicate, 2 pins are required to interface
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Check out the links above for our tutorials and wiring diagrams
Written by Limor Fried/Ladyada for Adafruit Industries.
BSD license, all text above must be included in any redistribution
Sensor data sheet: https://www.silabs.com/Support%20Documents%2FTechnicalDocs%2FSi7021-A20.pdf
Modified for use as a community library for Particle Photon/Electron RMB