Arduino ATmega32u4 MIDI Octopot

Arduino SysEx programmable 8 Knobs MIDI Controller inspired by Crius Octapot Midi Controller but using ATmega32u4 microcontroller in order to use MIDI USB.

This is the simple version of the controller with only 8 Knobs.

To get the version with additional 4 Push buttons, go to the buttons feature branch.

Photo

Breadboard

Schematics

Flash Arduino ProMicro

Arduino IDE

• Open midi-octopot/midi-octopot.ino
• Sketch menu
  • Card type: Arduino Micro
  • Port: /dev/ttyACM0
  • Upload

Command line (Ubuntu/Debian)

sudo apt install arduino-mk
cd midi-octopot
make
make upload

Octopot Configuration App (Ubuntu/Debian)

sudo apt install python3-rtmidi
cd octopot-config-app
python3 -m venv venv
source venv/bin/activate
python3 -m pip install -r requirements.txt
# Launch using Jack
./octopot-config-app.py
# Launch using Alsa
./octopot-config-app.py -a