Can I connect 4 arduinos by serial?

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greetings everybody!

i'm new in arduino, i'm trying hard proyect (because easy proyects bores me) , think midi controller ableton live. want "clone" famous novation launchpad.

so, need lot of memory layers change 4 buttons (session, user1, effects , mixer) , need lot of input.

i'm thinking small launchpad, original design, think use 4 arduino pro mini interconnected, but, don't know if possible, make fast design paint (i attach it)

my idea make 4 independent boards arduino each 1 process data , after put together.

some help?

thanks you!

pd: sorry bad english

topics "help" in title viewed particular disfavour many contributors here, implies substantial misunderstanding of purpose of forum.

bad english on other hand, accepted little or no comment unless poster claims proficient in english.   :d


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