Thermocouple Amplifier MAX31855 Breakout Board


Thermocouple Amplifier MAX31855 Breakout Board


SKU: BOB-001 - Mfg Part Number: 269


The Adafruit MAX31855K breakout is an easy to use amplifier primarily designed for use with thermocouples. This board is compatible with our 1M K-type Thermocouple and makes adding a wide range temperature sensor to your project as simple as possible.

This breakout board has a built in 3.3VDC regulator and is compatible with both 3.3VDC and 5VDC systems. Temperature is output in increments of 0.25 degrees Celsius between -200°C and 1350°C. The data is output using SPI meaning it is compatible with all models of the Raspberry Pi as well as most microcontrollers.


  • Works with any K type thermocouple
  • Will not work with any other kind of thermocouple other than K type
  • -200°C to +1350°C output in 0.25 degree increments
  • Internal temperature reading
  • 3.3 to 5v power supply and logic level compliant!
  • SPI data output requires any 3 digital I/O pins.


Adafruit Thermocouple Tutorial:

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