I wanted to do a quick video to show how to use the Arduino Over The Air update system with an ESP32.
You can find the working project here on GitHub: https://github.com/atomic14/ESP32Ota
Using an OTA update means that you don't need access to a USB socket. This is particularly useful if you are putting your ESP32 in an enclosure or if you are using a bare-bones board.
All you need is a WiFi connection and you can push updates to your firmware whenever you want.
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