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Overview

PCB 3D Render

Mainboard for processing audio and/or MIDI data on a pedalboard. Modular design supporting MIDI-only or combined MIDI + audio configurations.

Key Features

  • Raspberry Pi CM4/CM5 for audio processing (< 2ms latency with ELK Audio OS)
  • RP-2040 MIDI controller with independent firmware and instant startup
  • 6 foot buttons (short/long press, push/release) + 2 rotary encoders
  • 8 RGB LED ring connectors + 2 OLED display ports
  • Flexible MIDI I/O: DIN 5, 3.5mm TRS, USB MIDI, header pins
  • 2 expression pedal inputs
  • USB-A host + Mini USB device (firmware update)
  • 6–28V DC input with 3A buck converter, or USB powered

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