There are tons of examples out there that show you how to update your ESP32 Over-the-Air (OTA) using WiFi and transferring a binary file through your router, but what if you aren’t near a WiFi router, or simply just don’t want to use WiFi on the ESP32 and still want to update your software wirelessly?

This is where this webapp comes in handy. Not only is the app able to flash a binary to your ESP32, but it’s also able to tell if you have the most current software, and also what the most current software is that’s available for your device based on its hardware version. This app takes much of the guesswork away from an end-user who may be utilizing the easy to use, OTA update. Check out the tutorial below!

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ESP32 OTA Updates over BLE from a React Web Application

June 23, 2020

Learn how to flash firmware Over-the-Air using a BLE React WebApp and ESP32

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Source: SparkFun: Commerce Blog

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