Analog, Arduino, Arduino DUE, MIDI, Sequencer, ST4, Synthesizer, VCF The Story Of The ST4 February 28, 2017July 27, 2021wpress You may know about this unique hybrid synthesizer / tracker from us. It just went on sale, it went through a successful Kickstarter, but did you know the real beginnings,…Continue readingThe Story Of The ST4