MAX6675 Module + K-Type Thermocouple: precise temperature measurement up to 800 °C

If you regularly work on electronics or DIY projects where temperature matters, a reliable sensor is essential. The MAX6675 Module with K-type thermocouple is exactly that: compact, affordable, and impressively accurate. With a 0–800 °C range and 0.25 °C resolution, it’s a smart choice for both hobbyists and professionals.

The price stands out immediately. For just €1.11 including VAT you can order this module on AliExpress. Crucially, there are no extra charges. In the past you might have been surprised by customs or admin fees, but AliExpress now handles these upfront. That makes buying both cheaper and stress-free: you pay exactly what you see. Check the module here: MAX6675 Module + K Type Thermocouple.

What makes the MAX6675 module special?

This module is built around a chip from MAXIM Integrated, the U.S. company known for high-quality components. The core provides cold-junction compensation and linearity correction, so your readings stay trustworthy even when ambient temperature fluctuates.

Communication uses a simple SPI interface, ideal for Arduino, Raspberry Pi, and other microcontrollers. Wiring is minimal: three lines and you’re already reading accurate temperature data.

The included K-type thermocouple is metal and comfortably handles up to 800 °C. That makes it suitable for ovens and melting projects as well as experiments in chemistry and electronics.

Use cases and user experiences

Reviews show high satisfaction. One buyer reported testing up to 250 °C and that it “worked like a charm.” Others highlight the solid build quality and that the module “works perfectly” for hobby projects.

Given the low price, it’s smart to order a few spares. AliExpress frequently offers bundle perks like €2 off orders from €15. See the offers here: MAX6675 on AliExpress.

Why not buy from dropshippers?

You’ll find similar modules on unknown sites, often for several times the price of the same item. AliExpress typically offers free returns, whereas dropshippers often charge high fees or refuse returns. Don’t overpay. AliExpress combines low prices, clear terms, and thousands of happy customers. Order safely via this link: MAX6675 thermocouple sensor.

Extra benefit: support and computer help

This website grew out of the many questions people asked on the old VraagAlex website about AliExpress and orders. We are not the official AliExpress customer service, but we’re happy to help with questions about this product or your purchase.

Need help wiring it to your Arduino project or configuring everything? Use our at-home or remote computer help via AlexandervanDijl.nl. We can assist not only with AliExpress products but with any computer issues.

Donations welcome

We invest a lot of time answering questions and writing in-depth product articles. Want to support us? You can donate here: alexandervandijl.nl/doneer.

FAQ – Frequently asked questions

1. What is the MAX6675 temperature range?
0–800 °C with 0.25 °C resolution.

2. Does it work with Arduino and Raspberry Pi?
Yes, it’s fully compatible via the SPI interface.

3. Is the price VAT-inclusive?
Yes, €1.11 already includes VAT. No extra customs or admin fees apply — AliExpress calculates them upfront.

4. How accurate is it in practice?
The average review rating is 4.7 stars. Most buyers report instant operation and precise readings.

5. Where should I buy it?
On AliExpress directly from the seller — it’s cheaper and more reliable than unknown sites. Recommended link: AliExpress MAX6675 Module.


Would you use the MAX6675 module in your next project? Tell us in the comments!

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