Hi all,

I have tried reading up on CALLBACKS and like always I have questions. I have check into some people projects that are using CALLBACKS but couldn’t find anything about receiving information after I send the data. Maybe I’m just confused.

I am using this library here:


Which it is suppose to make it so you can change the tempo and read BPM and other things to music. I am really excited to use this but have really no clue where to start to make this work.

Thanks all

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