* ESP32 Based Keychain Sampler / Tracker
* Opensource Arduino Compatible OS
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Function 1

Octave -1
Volume Low
Track 1
Note Long
Function 2

Octave 0
Volume Med
Track 2
Note Med
Function 3

Octave 1
Volume High
Track 3
Note Short
Function 4

Octave 2
Overdrive
Track 4
Play/Stop
Synth 7
Fade-in
Clr Trk 1
BPM 120
Synth 8
Fade-out
Clr Trk 2
BPM 132
Synth 9
Steady
Clr Trk 3
BPM 145
Synth 10
Sustain
Clr Trk 4
BPM 180
Synth 3
Delay 1
Pattern 1
Copy Pat
Synth 4
Delay 2
Pattern 2
Paste Pat
Synth 5
Delay 3
Pattern 3
Paste All
Synth 6
Delay 4
Pattern 4
Drums
FX Off
Clr Pat 1
New Song Short Pat
SFX
FX LowPass
Clr Pat 3
New Song Long Pat
Synth 1
FX Retrig
Clr Pat 3
Master Vol
Synth 2
FX Tape
Clr Pat 4
Pat/Song

Cheatsheet:

Press and release a function button (top row) and then press any other button to execute a function (switch tracks, change volume, set effect, etc).

For example, press Fnc1 (led should light up), and then press any of buttons in the lower 3 rows to change instruments.

Press Fnc3 and then any of the top row buttons to switch tracks.

Tracks are quantized to 8 notes per bar, patterns can be set to 4 or 8 bars each, 4 total patters are available in "Song" mode, Fnc4 + D# to switch between song and pattern modes.



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