DIY Eurorack Builds

880

Analog drum machine with 16 voices and a step sequencer ยท System80

MakerSystem80
TypeAnalog drum machine with 16 voices and a step sequencer
MountingSMD
Width60 HP
LicenseProprietary (CC BY-NC-SA, noncommercial so not an open licence)
Difficulty ๐ŸŒ‹ Fine-pitch SMD

Clone of Roland TR-808. Six single voices and five switchable dual voices with global accent, plus pattern storage and MIDI. Firmware and case boards live in the separate 880-firmware and 880-case repos, and 881 is the trigger expander.

This is a third-party open-source design, listed here as a build reference. Specs are researched from public sources; check the source repo and store for the current BOM, panel, and revision before ordering parts. Corrections welcome.

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