Groovebox
GRUVPAKT T8
An 8-track groovebox for the M5Stack Tab5. Samples and five synth engines, effects and knob automation — on encoders, keyboard and touch screen.
What's inside
A full studio in one device: from drums and samples to synths, effects and arranging a whole song.
- 8 tracks — samples and FM, Wavetable, VA, PD, Granular synths.
- A sample track is a multitrack — 16 slots with their own level, pan, pitch, filter, envelope and sends.
- Effects — FILTER · EQ · COMP · SAT on every track, shared Delay · Chorus · Reverb.
- Automation — record knob moves, pass-to-pass variation, the curve in the note grid, drawn with a finger.
- Parameter locks — a knob value for one chosen step only.
- Generative track — a part that improvises in the context of the other tracks.
- FREEZE — bake a track into a clip to free the CPU.
- Arranger — scenes and the whole song.
A look
Effects on the encoders
Two effects on eight knobs; a push turns one on.
Automation window
Up to 16 curves per pattern, with conditions and variation.
The curve in the grid
Automation under the notes, step for step; drawn with a finger.
Generative track
Rhythm from another track or Euclidean, notes from a shared pool.
Video
Demo video (YouTube) — to add.
What you need
All four are required.
- M5Stack Tab5 — the main device (ESP32-P4, 5″ 1280×720 screen).
- 8Encoder unit — eight lit knobs: every sound, effect and mix setting is set with them.
- Tab5 keyboard — saving and loading projects, undo, tracks and modes.
- microSD card — projects and samples.
You can print the case yourself — files for 3D printing.
Device photo and where to buy — to add.
Free version
The previous firmware version is free. New features come to subscribers first, then move into the free version.