ESP32 OTA status on TFT display

If you have your ESP32 connected to a display, wouldn’t it be nice to see the status of an OTA update in real time on this display? I thought it is a nice little add on to my application. And as it is working fine within my ESP32 weather station, I share here as a stand alone code, which makes it easier to understand and integrate into your own application. In this example I will use a 1.44″ TFT display from Elecrow.

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ESP32 OTA updates

Flashing new versions of your applications through the USB connection is convenient and fast during development time and as long as your module is on a breadboard and close to your PC. But once you have your project put into a casing and applied to the place it is supposed to be, it is getting inconvenient if you want to update your code. That’s where OTA comes in. It allows you to update your module code over your local WiFi.

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