Synthesizers can make some great music, but sometimes they feel a bit robotic in comparison to their analog counterparts. [Chris Guichet] built a “minimum viable” expressive synth to overcome this challenge. (YouTube)
Dubbed “The Wiggler,” [Guichet]’s expressive synth centers on the idea of using a flexure as a means to control vibrato and volume. Side-to-side and vertical movement of the flexure is detected with a pair of linear hall effect sensors that feed into the Daisy Seed microcontroller to modify the patch.
The build itself is a large 3D printed base with room for the flexure and a couple of breadboards for prototyping the circuits. The keys are capacitive touch pads, and everything is currently held in place with hot glue. [Guichet] goes into detail in the video (below the break) on what the various knobs and switches do with an emphasis on how it was designed for ease of use.
If you want to learn more about flexures, be sure to checkout this Open Source Flexure Construction Kit.
A More Expressive Synth via Flexure
Source: Manila Flash Report
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