Thremocouple MAX6675 - Temperatur sensor

MAX6675 is a 12-bit resolution serial thermocouple analog-to-digital converter with cold junction compensation, linearity correction, and thermocouple disconnection detection produced by MAXIM, USA.

The main features of MAX6675 are as follows

1. Simple SPI serial port temperature output.
2. On-chip cold junction compensation.
3. High impedance differential input.
4. Thermocouple disconnection detection.
5. Wide operating voltage range 3.0～5.5V, operating current 50mA.
6. The working temperature range is -20℃～85℃.
7. 2000V ESD signal.

Module interface: GND VCC SCK CS SO
Power supply voltage: 3~5V DC

Module size: 15mm*25mm
Screw head specification: M6.

Sources : https://electropeak.com/learn/interfacing-max6675-k-type-thermocouple-module-with-arduino/