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https://www.adafruit.com/product/269 Thermocouple Amplifier MAX31855 breakout board (MAX6675 upgrade) : Adafruit Industries, Unique &... Thermocouples are very sensitive, requiring a good amplifier with a cold-compensation reference. The MAX31855K does everything for you, and can be easily... breakout boardadafruit industriesthermocoupleamplifierupgrade https://forum.arduino.cc/t/ethernet-shield-with-max6675-library/58197 Ethernet Shield with MAX6675 library - Networking, Protocols, and Devices - Arduino Forum ethernet shieldnetworking protocolslibrary