Attributes

Brand	-
Category	Robotics / STEM Teaching Tools / Sensors
Origin	-
Sensor Type	Type K Thermocouple
Interface Protocol	SPI (Serial Peripheral Interface)
Temperature Range	0°C to +1024°C
Resolution	0.25°C
Operating Voltage	3.0V to 5.5V DC
Accuracy	±2°C (0°C to 700°C)
Cold Junction Compensation	Integrated On-Chip
PCB Dimensions	22mm x 18mm x 6mm
Connector Type	Standard Mini Type K Socket
Compatibility	Arduino, Raspberry Pi, ESP32

6 reviews

Anonymous

Mar 29, 2026

Rating: 5/5

Perfect for Arduino Projects

This module worked flawlessly with my Arduino Uno. The SPI communication is stable, and the temperature readings are consistent when compared to my industrial thermometer. Great value for hobbyists.

Anonymous

Mar 25, 2026

Rating: 5/5

Exceeded expectations

Fast shipping and the product arrived well-packaged. Tested it against a calibrated meter and it was spot on. Highly recommend for anyone needing reliable thermal data.

Anonymous

Mar 21, 2026

Rating: 4/5

Solid performer for the price

Using three of these in a kiln controller project. They all read within 1 degree of each other. The build quality is decent, though the PCB silk screen could be clearer.

Anonymous

Mar 10, 2026

Rating: 5/5

Great documentation support

As a beginner, I was worried about the SPI interface, but there are plenty of code examples online. This specific board matched the tutorials perfectly. Reads fast and accurate.

Anonymous

Mar 05, 2026

Rating: 5/5

Reliable high-temp sensing

I used this to monitor a 3D printer hotend modification. It handled temperatures up to 300°C without any issues. The cold junction compensation works well even as the ambient room temperature changes.

Anonymous

Mar 03, 2026

Rating: 4/5

Good accuracy, easy setup

Setup was straightforward using existing libraries. Accuracy seems good within the stated range. I deducted one star because the screw terminals for the thermocouple wire are a bit small for thicker gauge wires.

5 FAQ

Q: What is the sampling rate of this sensor?

A: The MAX6675 typically converts temperature data in approximately 170ms, allowing for roughly 5-6 readings per second depending on your code implementation.

Q: Does this module come with the thermocouple probe included?

A: No, this listing is for the MAX6675 breakout board only. You will need to purchase a Type K thermocouple probe separately with a mini connector.

Q: Is the library available for PlatformIO?

A: Yes, there are several open-source libraries available for PlatformIO and the Arduino IDE that support the MAX6675 chip. You can search for 'MAX6675' in the library manager.

Q: Does it measure negative temperatures?

A: The standard MAX6675 chip measures from 0°C to +1024°C. If you need to measure sub-zero temperatures, please look for our MAX31855 module which supports negative ranges.

Q: Can I use this with a 3.3V logic microcontroller like ESP32?

A: Yes, the module operates between 3.0V and 5.5V, making it fully compatible with 3.3V systems like the ESP32 and Raspberry Pi without needing a level shifter.

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