OP-XY-MNMD, image 1 from its README
Firmware

OP-XY-MNMD

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The Elektron Machinedrum and Monomachine, written from scratch for the Teenage Engineering OP-XY on the Open-XY SDK. MD KIT and ten Monomachine synths are in the open-xy.com builder.

OP-XY-MNMD is custom firmware for the Teenage Engineering OP-XY, by @mmockett. Open source under MIT, latest release v1.1.9 (October 2026), 15 stars on GitHub.

forTeenage Engineering OP-XY·by@mmockett

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MIT· mmockett/OP-XY-MNMD·mmockett.github.io/OP-XY/#mnmd·downloads come from the creator’s GitHub releases

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