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It is possible to use ESP32 - master mode bluetooth connect to HC-06 (with arduino nano) - slave mode?
The usecase is to send/receive some control strings
I tried the different modified BluetoothSerial sources from github and got only two types of results:
- always saying "Connected succesfully!", no matter what name or address I used; tried also to communicate in this state but without success
- "Failed to connect" forever
It is not a matter of HC-06 bt connection as slave because I can use a phone to connect at it and send/receive strings.