4x4 Rotary Encoder MIDI Messenger

by Liz Clark

published July 25, 2023, last updated September 08, 2024

posted in Feather CircuitPython Breakout Boards LCDs & Displays/ OLED STEMMA

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Updated

Intermediate

Project guide

Use

Plug a 5-DIN MIDI cable into the out port on the MIDI FeatherWing. Then, plug in a USB-C cable to the Feather RP2040 to power up the project. After connecting the MIDI messenger to an external piece of MIDI gear, such as a guitar pedal, you'll be able to send MIDI CC messages to the gear to control it.

At the top of the code, you can customize the MIDI output channel and the MIDI CC value range, message number and message name.

You can turn the rotary encoders to set different CC values. When you're ready to send the CC message, you can press the switch on the rotary encoder (push down for a click to engage the switch, release to reset).

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