The R-MONO Lab is a ‘recreational club’ based in Hamamatsu, Japan. They’ve taken a Raspberry Pi 3 and put it inside a Roland K-25m, a tiny MIDI keyboard and called it the S³-6R. Snappily named, it has the following features:
- Original-Uniq Phase Control and Phase Modulation Synthesis (αα-Phase Modulation)
Also features envelope generator and LFO dedicated for phase modulation.
- High-Resolution (24bit/96kHz), 6-Polyphonic
(5-Polyphonic when using Super Oscillators)
- Oscillator types (including Noise)
- Phase Mutator
- Pre / Post Clipper
You can read more about it on their Tumblr blog and see a video of some of the demo sounds below (and yes, it is silent to start with). They’re not, unfortunately, planning on releasing schematics and software to the public (booo) but it is a pretty nifty project.