This is a library for the MLX90614 temperature sensor Designed specifically to work with the MLX90614 sensors in the adafruit shop ----> https://www.adafruit.com/products/1747 3V version ----> https://www.adafruit.com/products/1748 5V version These sensors use 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 DOWNLOADS button in the top right corner, rename the uncompressed folder Adafruit_MLX90614. Check that the Adafruit_MLX90614 folder contains Adafruit_MLX90614.cpp and Adafruit_MLX90614.h Place the Adafruit_MLX90614 library folder your arduinosketchfolder/libraries/ folder. You may need to create the libraries subfolder if its your first library. Restart the IDE.