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MAX6675 Module + K Type ThermocoupleThe challenge with using thermocouples is the need for what is known as cold junction compensation and the need to detect a very small voltage change for every degree in change of temperature. Fortunately there are chips like the MAX6675 that make connecting a thermocouple to your Arduino an affordable breeze. The device measures the output of a K Thermocouple and provides the result to the Arduino via a SPI interface.
MAX6675 features cold junction compensation, linearity correction, thermocouple break detection etc. Its temperature resolution capability is 0. 25 Degree, cold junction compensation range - 20 ~ + 80 Degree, wide operating voltage range 3. 0 ~ 5. 5V.
To know about how to use this module as well as Arduino code & library, Operating voltage: 3. 0 ~ 5. 5V Internal integrated cold junction compensation circuit: YES Temperature resolution: 0. 25 Degree; Cold junction compensation range: - 20 ~ + 80 Degree Embedded thermocouple break detection circuitry: YES Temperature probe: K-type Type K temperature range: 0-800 degrees |
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