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Multimedia title over Bluetooth on radio

Thread starter #1
i came up with an idea yesterday about doing like the big radio stations do when they send the information like title and artist over the air and made me think about how most Bluetooth adapters don’t do that. If you have a direct connection of the phone over Bluetooth it does it, I think. Where would I start to look for information in order to make a small Bluetooth adapter that does the same thing as a direct connection to a radio. I thought of this because some older radios that do show the information do not have a way of connecting directly using Bluetooth. I know a new radio can be installed but if I’m in a vehicle that’s not mine that is not possible.

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