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BLE reconnection issue

MIT App Inventor Help

ble, arduino, bluetooth, esp32

ABG December 3, 2025, 7:49pm 2

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BluetoothLE extension very confusing (ESP32-C3 communication) MIT App Inventor Help

Alright here's the solution, for me at least. (For real this time) It was absolutely nothing wrong with AppInventor, but actually my ESP32-C3 code. I've come across many other people online with the exact same issue trying to interface AppInventor and ESP32-C3, so I better go around and share my answer quick. With some help of ChatGPT, here's my explaination and solution: Let's start off with behavior recorded: First connection → works Disconnect → phone thinks it disconnected ESP32-C3 → st…

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FAQ Section: BlueTooth/BLE Frequently Asked Questions

BLE Releases BluetoothLE extension 20240822 Java 11 UUID bugfix - @ewpatton BluetoothLE extension 20240322-beta bugfix - ewpatton BluetoothLE extension 20230728 released - ewpatton BluetoothLE extension 20201223 released - ewpatton BluetoothLE extension 20200828 released - ewpatton BluetoothLE extension 20190701 released - EWPatton BLE Problems java.lang.RuntimeException: no such class: edu.mit.appinventor.ble.BluetoothLE Build Error - Anke How to clean out residual BLE extension part…

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