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Bill of Materials

Bill of materials

  • ESP32 board: Any ESP32 board supported by Arduino core for ESP32
  • Tested on DOIT ESP32 DevKit V1 4M dual-mode Wi-Fi and Bluetooth module
  • OLED I2C display: 0.96" or 1.3", 128x64, SSD1306/SH1106
  • USB MIDI hardware:
  • Arduino ProMicro
  • DIN MIDI hardware:
  • MIDI OUT: DIN5 connector, 2x 220 Ohm resistors
  • MIDI IN: DIN5 connector, 2x 220 Ohm resistors, 1N4001 diode, 6N137 optocoupler