BACK IN STOCK – Thermocouple Amplifier (MAX6675) breakout board

Max6675 Lrg

Thermocouple Amplifier (MAX6675) breakout board. Thermocouples are very sensitive, requiring a good amplifier with a cold-compensation reference. The MAX6675 does everything for you, and can be easily interfaced with any microcontroller, even one without an analog input. This breakout board has the chip and bypass capacitor 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). Goes great with our 1m K-type thermocouple.

  • Works with any K type thermocouple
  • 0 to 1024 degree C output in 0.25 degree increments
  • 3.3 to 5v power supply and logic levels
  • SPI data output requires any 3 digital I/O pins.

Hey we even have a handy tutorial on thermocouples which includes an Arduino library, wiring diagrams and example code. How easy is that?

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1 Comment

  1. signal7
    April 18, 2011 at 11:28 am

    Interesting reading: http://en.wikipedia.org/wiki/Thermocouple

    I went to wikipedia because I got to wondering about the use of a terminal block as a connection for a thermocouple. The thermocouple wire being of a different composition than the terminal block can, in effect, act like a pair of thermocouples themselves which made me wonder how hard it would be to calibrate this. Seems like you would get measurement drift if the room temperature wasn’t very stable.

    Anyone dealt with this issue?

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