![PROJECT 8: THE DIGITAL PIANO - A Beginner's Guide to Circuits [Book]](https://www.oreilly.com/api/v2/epubs/9781492069447/files/images/f0055-01.jpg "PROJECT 8: THE DIGITAL PIANO - A Beginner's Guide to Circuits [Book]")
PROJECT 8: THE DIGITAL PIANO - A Beginner's Guide to Circuits [Book]
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