wavetable sound generator

Watasoge

in development

Watasoge is a digital wavetable sound generator and my first digital Eurorack module project. I chose wavetable synthesis as the starting point because it is one of the simplest ways to generate audio signals — which makes it an ideal vehicle for learning how to build a digital module from scratch.

Watasoge — wavetable sound generator, constructivist linocut illustration

What is known so far

facts from the build log

Concept

Wavetable synthesis
Digital Eurorack module

Platform

STM32G431KB
Prototyped on NUCLEO-G431KB

Final hardware specifications (panel width, power draw, I/O) will be published here once the hardware design is settled.

Build it yourself

free & open source

Available now

Firmware source code: github.com/framlin/watasoge available

The complete development story: Watasoge Building Log available

Coming as development progresses

Schematics and PCB files (KiCad + Gerber) in progress

Bill of materials with sourcing notes in progress

Panel design and enclosure in progress

Step-by-step build guide in progress

Building Log

how this module is being developed

The Watasoge Building Log documents the journey in detail — from generating the first wavetables, through the first sound on the DAC, to playing wavetables and publishing the firmware:

Watasoge is free and open source. If you have questions, are stuck, or want a custom variant, just get in touch.

Work with me Get in touch