Features: The MAX31855 Thermocouple Module delivers precise temperature measurements from 200°C to +1350°C with 14 bit resolution and ±0.25°C accuracy, featuring SPI connection compatibility for seamless integration with microcontroller systems. Equipped with single integrated 3.3V regulator, stage shifting circuitry, and directly digital output, this sensors eliminates the need for external amplifiers or ADCs. Designed for electronics engineers, enthusiasts, and scholars requiring reliability temperature monitoring in industrial automation Optimized for high temperature industrial monitoring, real time thermal analysis in scientific labs, and embedded systems requiring robust K type thermocouple connectivity with SPI communication. Features a breadboard friendly terminals block and universally K type thermocouple support, enabling quick prototyping and precise thermal data acquisition for advancing electronics projects. Specifications: Matter: PCB Measuring temperature spectrum: minus 200 degrees to 1350 degrees over naught Suitable for probes, K-type thermocouples, modules are mismatching， and need to be purchased independently SPI connection, high-speed transmission Input electric potential 3-5v direct current directly digital output temperature value, not amplifier required, not adcs required 14-bit resolution, 0.25-degree temperature accuracy Package Includes: Motherboard module MAX31855×1 note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.