I'm trying to make a robot dance on several songs using Arduino.
I need to understand how to get the rhythm from the songs, something like detecting the beats, calculating the bpm..
I'm not expert but I read that probably I'll have to use some filters, is that right? or I can use a simple mic and opamp? do I have to analayze some frequencies?
I hope someone has some ideas and can explaing me how to do such a thing, thanks!! :)
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