Adafruit Si7021 =============== Driver for Adafruit's Si7021 humidity / temp sensor breakout Designed specifically to work with the Si7021 breakout in the adafruit shop * https://www.adafruit.com/products/3251 This chip uses I2C to communicate, 2 pins are required to interface Adafruit invests time and resources providing this open source code, please support Adafruit and open-source hardware by purchasing products from Adafruit! 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 To download. click the ZIP button on the right, rename the uncompressed folder Adafruit_Si7021. Check that the Adafruit_Si7021 folder contains Adafruit_Si7021.cpp and Adafruit_Si7021.h Place the Adafruit_Si7021 library folder your arduinosketchfolder/libraries/ folder. You may need to create the libraries subfolder if its your first library. Restart the IDE.