Sonic Shape Board

Wireless MIDI Motion Controller

The Sonic Shape Board is a wireless MIDI controller balance board. Designed to interface with a Eurorack modular synthesizer, the board enables gestures based on twisting, turning, and spinning, unique motions for modular synthesizer performance, all while keeping the hands free for patching, tweaking knobs, or playing other instruments. The board sends accelerometer and gyroscopic data as CC channels, which can be used for modulating anything, such as waveshaping, saturation, and delay parameters.

Sonic Shape Board demo, CCRMA Stage, Stanford University, June 4th 2025

Demo of prototype showing waveshaping capabilities

Materials

The Sonic Shape Board uses an Adafruit HUZZAH32 Feather Board and an Adafruit 9-DOF motion sensor. The enclosing box was cut from an Epilog Helix laser cutter.

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Gear Unifier for Modular Systems

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