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BT MP3 player module that can connect to a BT speaker (not phone)

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tom66:
That type of device will likely not work well because Bluetooth has a range of 30-40m, there is very likely to be at least a car or Bluetooth speaker in range so you will be sending pair requests to anything you see.  Not compliant but also buggy and unreliable.

You could probably implement this behaviour with an embedded Linux computer (or Raspberry Pi) and some scripting to auto-connect Bluetooth to the first device seen, but I can't recommend it.  It's something you can do using `bluetoothctl` as a command line utilities, and there are Python tools that can interact with BlueZ too.

scarr999:
Hi,

I would pair then in isolation and I believe once paired it will autocratically pair to the speaker each power up, if it does not find the speaker it will "then" start searching.

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