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Romagnetics Midynamite
The Open Source MIDI Multi-Effects Pedal
The Romagnetics Midynamite is a compact, battery-powered MIDI multi-effects pedal with three physical MIDI DIN 5-pin connectors and USB MIDI device support. It can function as a standalone pedal or as a USB MIDI interface for a computer.
All effects can be toggled independently and configured via the onboard screen and encoder.
Available to buy here: Buy the Romagnetics Midynamite
๐ Features Overview
Menu List
MIDI Tempo
MIDI Modify
Modify the MIDI Channel and/or the velocity of your MIDI Messages. More information about MIDI Modify.
๐ผ MIDI Transpose
๐ Pitch Shift
- Shift all incoming notes up/down by a specified number of semitones
- Optionally mute the original note
๐ถ Scale Mode (Harmonizer)
- Select a scale, mode, and interval
- The pedal generates a harmonized note based on the input
Optionally mute the original note only to hear the harmony
The switch between Pitch Shift and Scale Mode is made by pressing the select button in the Transpose menu
โ๏ธ Settings
Accessible in the Settings menu:
- Start Menu
Choose default screen on startup:
''Tempo'', ''MIDI Modify'', ''Transpose'', or ''Settings''
- USB MIDI
Configure USB MIDI behavior:
Send to USBNo USB
- Contrast
Adjust screen contrast in 10 levels (from 10% to 100%)
๐ Panic Button
To immediately stop all MIDI output:
Press Select + Value simultaneously
This will send all notes off to all 16 MIDI channels.




