Attributes

Brand	-
Category	Robotics / STEM Teaching Tools / Sensors
Origin	-
Sensor Type	K-Type Thermocouple
Interface Chip	MAX6675 / MAX31855 Compatible
Communication Protocol	SPI (Serial Peripheral Interface)
Temperature Range	0°C to +800°C (Module Dependent)
Resolution	0.25°C
Supply Voltage	3.0V to 5.5V DC
Accuracy	±2°C typical at 25°C
Probe Length	1 Meter Braided Cable
Connector Type	Standard Mini K-Type Plug
Application	Arduino, Raspberry Pi, Industrial Control

6 reviews

Anonymous

Mar 31, 2026

Rating: 5/5

Easy to start with

As a beginner, I was worried about wiring SPI, but the pinout is clearly marked. Found a tutorial online and had it reading temps in 15 minutes. Highly recommended for beginners.

Anonymous

Mar 23, 2026

Rating: 5/5

Great for University Labs

Bought ten of these for our instrumentation class. All units performed consistently. The library support for MicroPython and C++ is excellent, making integration very quick for students.

Anonymous

Mar 08, 2026

Rating: 5/5

Robust and Reliable

I've been using this in a 3D printer hotend monitor for three months now. It handles the heat well and hasn't drifted. The braided cable feels durable compared to cheaper alternatives.

Anonymous

Mar 07, 2026

Rating: 4/5

Works well for brewing

Using this to monitor mash temperatures. It's precise enough for brewing beer. Just make sure you use cold junction compensation if your environment varies wildly, though the chip handles most of it automatically.

Anonymous

Mar 07, 2026

Rating: 4/5

Good accuracy, slow update rate

The sensor is accurate and easy to wire up. However, keep in mind the conversion time is around 220ms, so it's not suitable for extremely fast transient measurements. Perfect for monitoring ovens or heaters though.

Anonymous

Mar 04, 2026

Rating: 5/5

Perfect for Arduino Projects

This module worked flawlessly with my Arduino Uno. The SPI communication was stable, and the temperature readings matched my calibrated thermometer within a degree. Great value for hobbyist electronics.

5 FAQ

Q: Can I connect multiple sensors to one microcontroller?

A: Absolutely. Since it uses the SPI protocol, you can connect multiple modules to a single microcontroller by using separate Chip Select (CS) pins for each module while sharing the CLK and SO lines.

Q: Does this support negative temperature readings?

A: The MAX6675 chip specifically measures from 0°C to +800°C. If you need to measure negative temperatures, please look for our modules equipped with the MAX31855 chip, which supports down to -200°C.

Q: Is this module compatible with 3.3V logic boards like the Raspberry Pi?

A: Yes, the module operates on a voltage range of 3.0V to 5.5V, making it directly compatible with 3.3V systems like the Raspberry Pi without needing a level shifter.

Q: What is the maximum length the thermocouple wire can be extended?

A: While the included wire is 1 meter, you can extend K-Type thermocouple wires up to several meters. For best accuracy and noise immunity, we recommend using compensated extension wire and keeping total length under 10 meters.

Q: Is the probe waterproof?

A: The metal tip of the probe is resistant to moisture, but the connection point where the wire meets the mini-plug is not waterproof. Please ensure the connection area remains dry during operation.

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