Arduino Synth - FM Dual-Voice Generative Synth | Mozzi library | Volca form-factor

DIY synth build with Arduino Nano Dual-voice 2-OP FM & Generative Polymetric Sequencer using Mozzi SDK.

An evolution of my first Mozzi synth build, this one features dual independent 2-operator FM voices paired with a 2-track generative sequencer.

Each voice has independent carrier & modulator waveforms, FM ratio, envelope & LFO.

Both tracks share the a single pattern (inspired by the Intellijel Metropolix) and can be stacked in unison or have different polymetric step-counts. Track 1 can be offset 0-3 octaves above track 2 for separate bass & lead.

It started simple... but ended up cramming the 32K flash to the brim with features and wavetables, maxxing out the interface with obscure button combinations, and pushing the 16Mhz Arduino Nano to the edge! Upside is it makes lots of funky noises now!

Source Code: https://github.com/Meebleeps/MeeBleeps-Freaq-FM-Synth

Source released under Creative Commons Attribution-NonCommercial-ShareAlike 4.0. Copyright (C) 2022 Meebleeps
0:00 Intro
0:08 Overview & Build
0:40 Schematic
0:48 Laser Cutting with FIRE!
1:02 Detailed Features (Envelopes)
1:24 FM Ratio Modes
2:25 LFO Modes
3:32 Carrier Waveforms
4:09 Modulator Waveforms
5:17 Polymetric Sequencer
5:48 Muscial Scale Selection
6:42 Parameter Locking
7:52 Demo Jam 1
8:28 Demo Jam 2
9:00 Demo Jam 3

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