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Display Temperature from MAX6675 Using ESP32 over Bluetooth on a Mobile Phone

In this tutorial, we learn how to use a MAX6675 thermocouple sensor with an ESP32 to measure temperature and read it using Bluetooth on a mobile phone or tablet device.

If you need to use a MAX6675 thermocouple sensor with an ESP32 (no Bluetooth), see this page.

If you need to use two or more MAX6675 thermocouple sensors with an ESP32 (no Bluetooth), see this page.

🔴Measure temperature

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