{"product_id":"adafruit-thermocouple-amplifier-max31855-breakout-board","title":"Thermocouple Amplifier MAX31855 breakout board (MAX6675 upgrade)","description":"\u003cp\u003eThermocouples are very sensitive, requiring a good amplifier with a cold-compensation reference. The MAX31855K does everything for you, and can be easily interfaced with any microcontroller, even one without an analog input.\u003c\/p\u003e\n\u003cp\u003eThis breakout board has the chip itself, a 3.3V regulator with 10uF bypass capacitors and level shifting circuitry, all assembled and tested. Comes with a 2 pin terminal block (for connecting to the thermocouple) and pin header (to plug into any breadboard or perfboard). \u003ca href=\"\/en-eu\/products\/thermocouple-type-k-glass-braid-insulated-k\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eGoes great with our 1m K-type thermocouple\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNew!\u003c\/strong\u003e Now uses the MAX31855K instead of the MAX6675, so it can measure a wider temperature measurement range. \u003cstrong\u003ePlease note!\u003c\/strong\u003e the MAX31855 is not pin compatible or drop-in code compatible with the MAX6675. Adafruit do have an Arduino library for both chips but you'll need to adjust any existing MAX6675 designs for the new MAX31855. The MAX6675 has been discontinued by Maxim.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWorks with any K type thermocouple\u003c\/li\u003e\n\u003cli\u003eWill not work with any other kind of thermocouple other than K type\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e-200°C to +1350°C output in 0.25 degree increments\u003c\/strong\u003e - note that K thermocouples have about ±2°C to ±6°C accuracy\u003c\/li\u003e\n\u003cli\u003eInternal temperature reading\u003c\/li\u003e\n\u003cli\u003e3.3 to 5v power supply and logic level compliant!\u003c\/li\u003e\n\u003cli\u003eSPI data output requires any 3 digital I\/O pins.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ca href=\"http:\/\/learn.adafruit.com\/thermocouple\/\" target=\"_blank\"\u003eAdafruit even have a handy tutorial on thermocouples which includes an Arduino library, wiring diagrams and example code. How easy is that?\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTECHNICAL DETAILS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/learn.adafruit.com\/thermocouple\/downloads\" target=\"_blank\"\u003eDatasheet, EagleCAD PCB GitHub files, and fritzing library available in the product tutorial\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eDimensions (without headers):\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLength: 20mm\/0.8in\u003c\/li\u003e\n\u003cli\u003eWidth: 20mm\/0.8in\u003c\/li\u003e\n\u003cli\u003eHeight: 3.28mm\/0.12in\u003c\/li\u003e\n\u003cli\u003eWeight: 1.33g\/0.05oz\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eRevision notes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eVersion 2.0 now includes ferrite beads and filter capacitor onboard for better stability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNote:\u003c\/strong\u003e The terminal blocks included with your product may be blue or black.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Adafruit","offers":[{"title":"Default Title","offer_id":288858286,"sku":"ADA269","price":14.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0174\/1800\/products\/269-04.jpg?v=1655284033","url":"https:\/\/shop.pimoroni.com\/en-eu\/products\/adafruit-thermocouple-amplifier-max31855-breakout-board","provider":"Pimoroni Ltd","version":"1.0","type":"link"}