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Drumboy Mini - Image 1

Drumboy Mini

Drum MachineDigital

Imagine a pocket-sized drum machine where capacitive touch pads circle a vibrant 5-inch color LCD, letting you sculpt beats with finger flicks—no knobs, just pure tactile flow. That's the charm of this open-source gem, powered by a blazing 550MHz ARM Cortex M7 for pristine 24-bit audio that punches way above its micro size.

It packs 10 sample layers, each with parametric EQ, dual multi-mode filters (low-pass, high-pass, band-pass, notch), two multi-FX slots from delay to bit crusher, and a dedicated reverb with room size and decay tweaks. The sequencer handles up to 8 bars x 8 measures with 1/64 quantization, metronome options, and SD card storage for 5 banks of drumkits—load your own samples via USB-C. Sync in/out and MIDI keep it grooving with other gear, all in a handheld form that's bus-powered and hackable via STM32.

Owners love its intuitive UI for quick jamming and sound quality that rivals bigger boxes, though some wish for post-record editing nudges. It's a fresh entry in Randomwaves' lineup, sitting alongside Synthgirl as an affordable, community-driven beatmaker perfect for sketches on the go.

Released

2024

Status

In Production

Synthesizer
Format
Drum Machine, Micro
Type
Sample-based
Internal Battery
No
Voice
A/D
Digital
Polyphony
-
Oscillators
-
Oscillator Type
-
Filter
Lowpass
Envelopes
-
LFO
-
Effects
Delay, Chorus, Flanger, Phaser, Compressor, Expander, Overdrive, Distortion, Bit Crusher, Reverb
Expression
Aftertouch
No
Velocity
No
MPE
No
Additional
Capacitive touch controls
Software
-
I/O
Audio In
-
Audio Out
-
Headphone
-
MIDI
In, Out
MIDI Type
-
Ports
USB-C, SD Card
Wi-Fi
No
Workflow
Arpeggiator
No
Sequencer
Yes
Mod Matrix
No
Memory
No
Measurements
Dimensions
-
Weight
-
Last updated Mar 8, 2026