MAX6675MAX6675 is a cold junction compensation, linearity correction, thermocouple break detection ADC Serial K-type thermocouple, its temperature resolution capability is 0. 25 Degree, cold junction compensation range - 20 ~ + 80 Degree, wide operating voltage range 3. 0~5. 5V. Compact designOperating voltage: 3. 0~5. 5V, Internal integrated cold junction compensation circuit, With a simple three serial interface. High performanceUsing SPI 3 wire communication, K-type temperature probe, type K temperature range 0-800 degrees. ResolutionsTemperature signal can be converted into 12-bit digital.Temperature resolution of: 0. 25 degrees. Cold junction compensation range: - 20 ~ + 80 Degree, embedded thermocouple break detection circuitry. Operating voltage: 3. 0~5. 5V K-type temperature probe Type K temperature range 0-800 degrees Packet Contains: 2pcs x MAX6675 Module + K Type Thermocouple Temperature Sensor Degrees Module