This is a demonstration of the Arduino Control Surface library: [ Ссылка ]
It uses MIDI over USB to communicate with a Digital Audio Workstation. It can be used as a controller and as a display.
In this demo, the level meters are displayed on an SSD1306 OLED display, using a Teensy 3.2 board.
The song is Don't Stop Me Now by Queen.
From left to right, you can see the level of the kick drum, snare drum, percussion, bass guitar, guitar, piano, lead vocals, and backing vocals.
![](https://s2.save4k.ru/pic/_NJh6LyJjU8/mqdefault.jpg)