Keyestudio MAX6675 K-Thermocouple-to-Digital Converter module for Arduino

The Keyestudio MAX6675 K-Thermocouple-to-Digital Converter module is a precise temperature sensing solution designed for Arduino projects. It is ideal for students, makers, and educators looking to measure extreme temperatures in DIY projects, scientific experiments, or industrial prototypes.

High-precision signal conversion

This module independently handles signal amplification, cold-junction compensation, linearisation, and A/D conversion. It digitalises the signal from a type-K thermocouple and outputs it in a 12-bit resolution via a simple SPI-compatible serial interface.

Wide temperature measuring range

The converter resolves temperatures to 0.25 degrees Celsius, allowing for highly accurate readings from 0 up to +1023.75 degrees Celsius. This wide range makes it suitable for high-temperature monitoring applications.

Integrated cold-junction compensation

Featuring an integrated cold-junction compensation circuit, the module automatically adjusts for ambient temperature variations. This ensures reliable and consistent readings without requiring external calibration.

Open thermocouple detection and protection

The board includes open thermocouple detection to alert you if the sensor becomes disconnected or fails. It also features a high impedance differential input and built-in ESD protection.

Low power 5V operation

Operating at a standard working voltage of 5V, this module features low power consumption. The board operates reliably in ambient temperatures ranging from -20 to 80 degrees Celsius.