{"title":"Adafruit Universal Thermocouple Amplifier MAX31856 Breakout","handle":"adafruit-universal-thermocouple-amplifier-max31856-breakout","url":"/products/adafruit-universal-thermocouple-amplifier-max31856-breakout","description":"The Adafruit Universal Thermocouple Amplifier MAX31856 Breakout reads temperature from virtually any thermocouple type — K, J, N, R, S, T, E, or B — with 0.0078125°C resolution and a measurement range of -210°C to +1800°C. It handles cold-junction compensation, linearisation, and fault detection all on-chip.\n\nCommunicating over 4-wire SPI, this breakout works with any microcontroller — no analog input required. It includes a 3.3V regulator and level-shifting circuitry for 3.3–5V compatibility, inline filter resistors, and a decoupling capacitor as recommended by Maxim for stable readings.\n\nKey Features\n\n\nUniversal Thermocouple Support – Works with K, J, N, R, S, T, E, and B type thermocouples\n\nWide Temperature Range – -210°C to +1800°C with 0.0078125°C resolution\n\n4-Wire SPI Interface – Requires only 4 digital I/O pins\n\n3.3V to 5V Compatible – Built-in regulator and level shifting\n\nCold-Junction Compensation – Internal temperature sensor for accurate readings\n\nFault Detection – Alerts for out-of-range temperatures and thermocouple faults\n\nOn-Board Filtering – Inline resistors and filter capacitor for stable operation\n\n\nIdeal For\n\nHigh-temperature industrial monitoring\nKiln, oven, and furnace temperature logging\nMulti-thermocouple-type projects\nScientific and laboratory temperature measurement\n\n\nPackage Contents\n\n1× Adafruit MAX31856 Breakout (fully assembled and tested)\n1× 2-pin terminal block (for thermocouple connection — colour may vary)\n1× Pin header strip\n\n\n\nNote: Thermocouple not included. Pairs well with a K-type thermocouple or any supported thermocouple type. Note that thermocouple accuracy is typically ±2°C to ±6°C depending on type and temperature — the sensor resolution will be significantly better than the thermocouple accuracy.\n\n\nResources\n\n\nAdafruit MAX31856 Tutorial – Wiring diagrams, software libraries, and example code\n","vendor":"Adafruit","product_type":"physical","in_stock":true,"options":[],"variants":[{"id":12273,"title":"Default Title","sku":"AF-3263","price":36.63,"compare_at_price":0.0,"on_sale":false,"in_stock":true,"available_quantity":101,"option1":"Default Title"}]}