Adafruit-MAX31855-library 
Driver for the Adafruit MAX31855 Thermocouple Amplifier
Info
The MAX31855K does everything for you, and can be easily interfaced with any microcontroller, even one without an analog input. This breakout board has the chip itself, a 3.3V regulator with 10uF bypass capacitors and level shifting circuitry, all assembled and tested. For use with type K thermocouples
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License
BSD license, all text above must be included in any redistribution.