Advice on streaming music to multiple devices over bluetooth

Projects General Guidance
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I'm in the middle of a music reactive LED matrix project and I've run into a problem. I would like to be able to play music to the Arduino so it can make the LED's react, but I would also like to play music on my Bluetooth (3.0) speaker.

Currently, I have a Bluetooth receiver which I can connect to that then plays music to the Arduino and then (through an aux cord) plays the music to my speaker, but I don't want to have it wired up. Is there any way of relaying the Bluetooth signal to my speaker from the receiver (without too much latency) or splitting the Bluetooth signal to both devices? I know this can be done with Bluetooth 5 but my speaker and receiver don't support this.

Open to any ideas on how this can be achieved :slight_smile:

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peter_hen:
Is there any way of relaying the Bluetooth signal to my speaker from the receiver (without too much latency) or splitting the Bluetooth signal to both devices?

I asked about this a few years ago and got no responses. Apparently not possible.

If you know you can do this with BT5, that's where your focus should be. It may require an update/upgrade of your other hardware of course.

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