Stimulus-16

Working features:
- Internal sync (timer-based) or external MIDI clock sync
- 7 tracks with user selectable global note (used mostly for drums)
- 1 track with one selectable note per step (used for synths)
- Global shuffle control
- 20-240 Beats per Minute

Beta features:
- Pattern switching support (8 patterns, 8 tracks each)
- Pattern save/recall from external eeprom
- Control shuffle from MIDI in or from analog in

Planned features:
- User selectable shuffle/groove patterns
- 16+16 analog pots support, in order to select notes and one control for each step of track 8 (synth track)
- Random mode