ETCH

Firmware for FM-1 (M-VAVE)

Draw-your-own-waveform synth: 8 voices, single-cycle waves A, B and a modulating C drawn on the device, morphing between them, a wave library, motion recording and an arpeggiator with a generative RIFF mode.

by SikkenWorks

ActiveSource: openGPL-3.0-only

FM-1 running ETCH, with a wavetable shape on its screen and the web tool open behind it — SikkenWorks, via github.com

Brick risk. Flashing this carries a known, documented risk of damaging the device.

Distribution: Browser installer (WebMIDI / WebUSB)
Source: github.com https://github.com/SikkenWorks/ETCH
Homepage: etch.sikkenworks.com https://etch.sikkenworks.com/

synth-engine
wavetable
sequencer
ui

Install notes

Browser WebMIDI installer, or flash the prebuilt .fwsc image.

Version history

ETCH version history
Version	Date	Notes
1.20 RC	2026-10-12	Release tag is fm1-firmware.

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