Encode and decode binary

I'm looking for simple encoder and decoder between two Arduino only without remote, code is binary like 24bit or 16bit for own code between encoder and decoder what name library? Thank you :slight_smile:

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All data on a computer are binary.

What do you mean by "code is binary, like 24 bit or 16 bit"? What information is coded and how?

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Sorry, I made this not clear, I mean between Uno sender use encoder and Uno receiver use decoder like between MC145026 sender and MC145028 receiver what kind library?

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Those chips are intended mostly to be used for pushbutton remote controls, like these. No library or Arduino needed.

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