How to make a MIDI keyboard using Arduino | Small Project

How to make a MIDI keyboard with Arduino Micro / Arduino Leonardo from a standard one. I will show you how to program Arduino with MIDI library, connect to a keyboard and receive MIDI data.
I'm using pianu.com in my video


These diodes that I shorted are important not to short if you want to play more than 2-3 notes at the time in more octaves, they prevent ghosting. Code won't change with them, however if it doesn't work, try to swap matrix sides.

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Introduction - 0:00
Why Arduino Leonardo - 1:10
Library - 2:05
Hearing MIDI - 4:57
Hardware in a MIDI keyboard - 6:12
Programming - 7:03
Testing - 7:54
FL Studio - 8:14
Final Version - 9:38

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Music:

Zaza - Be Together [NCS Release]
Music provided by NoCopyrightSounds.
Watch: youtu.be/gEbRqpFkTBk
Free Download / Stream: zaza.lnk.to/zazabt

Song: Jim Yosef - Link [NCS Release]
Music provided by NoCopyrightSounds.
Watch: youtu.be/9iHM6X6uUH8
Download/Stream: ncs.io/LinkYO

Kevin MacLeod ~ Brittle Rille
youtu.be/9ruuB-ftPwE