MIT App Inventor Community

Connection error of bt connection

MIT App Inventor Help

arduino, bluetooth, esp32

Anke April 19, 2024, 9:16am 2

Are you using a Mac?

See also here:

Why ESP32 WROOM not connect to in BLE mode? MIT App Inventor Help

I'm trying to connect to a ESP32-Wrover and same problem. I can scan, see the devices but when run connect, notingh happens, it displays the error: "Connection status was set to OS code 4". But the same APP is able to connect to other device what uses a rn4870 BLE component. At the same time, I can connect to the ESP32 program with others app. So it looks like there is an incompatibility betweem BluetoothLE and ESP32 and Arduino ESP32 v2.0.14 based on ESP-IDF v4.4.6

Beta version of BLE extension for Android 12 permission changes News/Announcements

Version 20201223 is working. Beta not working Phone model: Xiaomi 12T Pro Miui 14 Android 13 Problem: it can scan for devices, but won't connect. tried connect with index and connect with mac. errors: "Connection timeout", "connection status was set to OS code 4" Phone model: Xiaomi Mi6 Lineage Android 10 Problem: it can scan for devices, but won't connect. tried connect with index and connect with mac. errors: "Connection timeout", "connection status was set to OS code 133" vers…

show post in topic

Home
Categories
Guidelines
Terms of Service
Privacy Policy

Powered by Discourse, best viewed with JavaScript enabled