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Mewcoder and SLOOP firmwares for the M-VAVE SMK-37

Two SLOOP builds for the SMK-37 keyboard, one with a 20-channel vocoder modelled on the Sennheiser VSM201, were proposed for a firmware list in a pull request generated with Claude Code.

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Credits

  • Source byline MiloMeowzers Source ↗
  • Repository account MiloMeowzers Source ↗

Earliest dated source: 11 Nov 2026

Downloads ↗

The full story

Two builds of the SLOOP groovebox firmware for the M-Vave SMK-37 keyboard, from one GPL repository. Mewcoder adds a 20-channel vocoder modelled on the Sennheiser VSM201, with two USB audio inputs from the computer routable to the voice, the carrier or an instrument; the Multichannel build turns the keyboard into a six-channel USB audio interface with punch-in effects on every stem and a DAW mode. They are unofficial and were tested on an SMK-37 Elite. The pull request adding them to a firmware list was generated with Claude Code.

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Sources

From the maker's own write-up or code. We summarise what they report; we haven't tested it ourselves.

  • Awesome Music Gear Firmware: Add Mewcoder and SLOOP SMK-37 (SMK-37)Code or repositorygithub.com
    Source byline: MiloMeowzersPublished 11 Nov 2026

    The pull request adding both firmwares to the list.

  • The code: github.comCode or repositorygithub.com
    Repository account: MiloMeowzers

    The firmware repository and Mewcoder release.

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