Analog, Arduino, Arduino DUE, Casing, Code, DIY, Hybrid synth, Knobs, MIDI, ST4, Synthesizer, VCF ST4 Production June 5, 2016wpress In recent weeks the ST4 electronics production has kicked off. Many of the simpler boards have now been produced and are ready to be built into the ST4 units. These…Continue readingST4 Production