MAX6675MAX6675 is a cold junction compensated, linearity corrected, thermocouple break detection ADC serial thermocouple K-type. It has a temperature resolution of 0.25 degrees, cold junction compensation range of -20 ~ +80 degrees, and a wide operating voltage range of 3.0~5.5V. Compact design Operating voltage: 3.0~5.5V, internal integrated cold junction compensation circuit, with a simple three serial interface. High performance Using SPI 3-wire communication, K-type temperature probe, type K temperature range 0-800 degrees. Resolutions The temperature signal can be converted to 12-bit digital. Temperature resolution of: 0.25 degrees. Cold junction compensation range: -20 ~ +80 degrees, built-in thermocouple break detection circuit. Operating voltage: 3.0~5.5VK-type temperature probe Type K temperature range 0-800 degrees Package includes: 2pcs x MAX6675 Module + K Type Thermocouple Temperature Sensor Degrees Module