Flux Manager
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Control
Settings
Card Builder
Input / Synth
External Input
Envelope
64
Pitch
64
Timbre
64
Filter Cutoff
127
Volume
127
Effect
Bypass / Passthrough
Compressor
Equalizer
Guitar Amp
Echo Verb
Bitcrusher
Tremolo
Sine Chorus
Vibrato Chorus
Pitch Shift
Frequency Shifter
Digital Delay
Tape Delay
Ping Pong
Tape Loop
Plate Reverb
Spring Reverb
Freeverb
Shimmer Reverb
Cathedral Reverb
Granular Clouds
Micro Looper
Tape Degradation
Lossy Audio
Spectral Freeze
Basic Reverb
Allpass Reverb
Hadamard Reverb
Oil-Can Echo
Resonator
Wind
Chatter
Param 0
(Main)
64
Param 1
(X)
64
Param 2
(Y)
64
Inputs
Audio 1 In
Synth Pitch / FX L / Drum 3
(No settings currently available)
Scale
Unquantized
Chromatic
Major
Minor
Penta Major
Penta Minor
Whole Tone
Diminished
Root
C
C#
D
D#
E
F
F#
G
G#
A
A#
B
Oct
-1
0
1
2
3
4
5
6
7
8
Range
± 1st
± 5th
± 1 Oct
± 2 Oct
± 3 Oct
± 4 Oct
± 5 Oct
S&H
Audio 2 In
External Audio R / Synth Y Param/ Drum 4
(No settings currently available)
Mode
Synth Y Param
External Audio Mix
Pitch 2 (Polyphonic)
CV 1 In
Modulates Effect X
(No settings currently available)
CV 2 In
Modulates Effect Y
(No settings currently available)
Pulse 1 In
Synth Gate / Ext Clk / Drum 1
(No settings available in this mode)
PPQN
1 (Quarter Note)
2 (8th Note)
4 (16th Note)
24 (Sync24)
Pulse 2 In
Ext Clk / Drum 2
(No settings available in this mode)
PPQN
1 (Quarter Note)
2 (8th Note)
4 (16th Note)
24 (Sync24)
⏱ Internal BPM
120
BPM
Outputs
Audio 1 Out
Main Left Output
Voice Preview Mix
Audio 2 Out
Main Right Output
(No settings currently available)
CV 1 Out
MIDI Pitch
MIDI Velocity
MIDI CC
Synth ADSR
Internal ADSR
Random S&H
LFO Utility
Step Sequencer A
Generative Seq A
Clock
Voice Preview
Ch
Omni
Shape
Sine
Triangle
Saw Up
Saw Down
Square
Smooth Rnd
CC#
Range
±6V
±3V
±2V
±1V
0–6V
0–3V
0–1V
Src
INT
P1
P2
MIDI
÷×
/1
/2
/4
×2
×3
×4
×6
×8
/8
Trig
INT
P1
P2
MIDI
CV 2 Out
MIDI Pitch
MIDI Velocity
MIDI CC
Synth ADSR
Internal ADSR
Random S&H
LFO Utility
Step Sequencer B
Generative Seq B
Clock
Voice Preview
Ch
Omni
Shape
Sine
Triangle
Saw Up
Saw Down
Square
Smooth Rnd
CC#
Range
±6V
±3V
±2V
±1V
0–6V
0–3V
0–1V
Src
INT
P1
P2
MIDI
÷×
/1
/2
/4
×2
×3
×4
×6
×8
/8
Pulse 1 Out
MIDI Gate
MIDI Trigger
Clock Out
Voice Audio (PWM)
Seq A Gate
Gen Seq A Gate
Grids (Drum Map)
Ch
Omni
Width
Trig
10%
25%
50%
75%
Tie
Time
1 ms
5 ms
10 ms
20 ms
50 ms
100 ms
Src
INT
P1
P2
MIDI
P
÷×
/1
/2
/4
×2
×3
×4
×6
×8
/8
Pulse 2 Out
MIDI Gate
MIDI Trigger
Clock Out
Voice Audio (PWM)
Seq B Gate
Gen Seq B Gate
Ch
Omni
Width
Trig
10%
25%
50%
75%
Tie
Time
1 ms
5 ms
10 ms
20 ms
50 ms
100 ms
Src
INT
P1
P2
MIDI
P
÷×
/1
/2
/4
×2
×3
×4
×6
×8
/8
Seq A
⚄
↺
Param X
Scale
Chromatic
Major
Minor
Penta Maj
Penta Min
Voltage
Trigger
Root
C
C#
D
D#
E
F
F#
G
G#
A
A#
B
Oct
-1
0
1
2
3
4
5
6
Oct Rng
1 Oct
2 Oct
3 Oct
V Range
±6V
±3V
±2V
±1V
0–6V
0–3V
0–1V
Seq B
⚄
↺
Param Y
Scale
Chromatic
Major
Minor
Penta Maj
Penta Min
Voltage
Trigger
Root
C
C#
D
D#
E
F
F#
G
G#
A
A#
B
Oct
-1
0
1
2
3
4
5
6
Oct Rng
1 Oct
2 Oct
3 Oct
V Range
±6V
±3V
±2V
±1V
0–6V
0–3V
0–1V
Virtual Keyboard
Oct
1
2
3
4
5
6
MIDI CC Input Routing
Global
Volume
CC 7
Effect Select
0–127 → fx 0–N
Synth Select
0=Ext, 1–127
MIDI Channel
0–15 / 16=Omni
Synth Parameters
Envelope (Main)
Attack/Decay
Pitch (X)
Brightness
Timbre (Y)
Resonance
Filter Cutoff
Sw↓ most synths
Sample Select
Sw↓ sampler modes
Effect Parameters
Fx Param 0 (Main)
Main knob
Fx Param 1 (X)
X knob
Fx Param 2 (Y)
Y knob
Performance Parameters
Main (BPM / P1 Prob)
Sw↓↓ Main
X — CV1 Perf
Sw↓↓ X knob
Y — CV2 Perf
Sw↓↓ Y knob
Custom Firmware Generation
Build a self-contained card with your exact routing, settings, and samples baked in.
Current Configuration
Core Setup
Synth: Wavetable
Effect: Reverb
Audio Routing
Audio 1: L (Passthrough)
Audio 2: R (Passthrough)
Control Outputs
CV 1: Step Sequencer A
CV 2: Step Sequencer B
Gate 1: MIDI Gate
Gate 2: MIDI Gate
Manually load a .uf2 instead:
Drop
flux.uf2
here or click to browse
Firmware will be merged with samples into one file
Install Firmware + Samples
Samples
Drop audio files here or click to browse
MP3, WAV, AIFF, OGG supported. Auto-resampled to 22.05kHz Mu-Law.
Waveform Editor
Start:
End:
Loop In:
Loop Out:
Loop
Preview
Stop
0.00s
Drag on waveform to select range/loop.