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I'm building eurorack modules! You'll find all of them here, with gerber files, boms and kicad files too.

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This repo is being moved to an organization, there will be no new updates on this repo. For more informations, and with designs up to date, go to BleepSound

Use all the designs here at your own risk, they have issues.

Synth

Not all projects are finished or even perfect, use at your own risks.

VCOs:

Effects:

  • ⚠️ StupidBox
    • (messy directory but everything is there)
    • Size of panels and position is all wrong
    • Distortion module based on StupidBox stompbox design.
    • Vactrol CV to control distortion

Filters:

Drums:

  • ✔️ HiHat+Snare
    • 2 white noise generators with VCAs to create Hihat or Snare sound.
    • Built on the same module, with 2 separate voices (completly independent)
    • No CV
  • Drumbox
    • A 4 sounds drumbox built around the CD4011 chip. Bass kick, High and low bonga and claves sound.
    • ✔️ V1.0:
      • Each voice has a seperate output.
    • ⚠️ V1.2:

Mixers:

  • ✔️ Basic AC mixer
    • 4 channel active mixer with mute option with AC coupling (Audio only)
  • ✔️ Basic DC mixer
    • 4 channel active mixer with mute option with DC coupling (Audio+CV)
  • Output mixer
    • ⚠️ Mono input:
      • 6 channels with 2 mono inputs each, gain and pan on each channel
      • stereo output in jack 3.5mm and jack 6.35mm
      • Headphone output with amp
    • ⚠️ Stereo input:
      • 6 channels with stereo inputs, gain and pan on each channel
      • If only L or R plugged, act as a mono channel
      • stereo output in jack 3.5mm and jack 6.35mm
      • Headphone output with amp

Multiple:

  • ✔️ 3x2 multiplexer
    • 3x2 multiplexer (3 inputs to 2 output each)
    • cascade the first input to all outputs if no other input is plugged in

Power delivery:

  • ✔️ PSU
    • Basic +/- 12V power supply built around the L7812/7912 regulators.
  • ✔️ Distribution board
    • Basic PSU distribution board, with 10 IDC headers.

Sequencers:

  • Drum trigger sequencer
    • Based off the Big Button from LMNC, with an arduino Nano.
    • No code developped yet
    • Not finished and probably never will :)
Symbol Description
✔️ Fully designed, debugged, tested, and verified.
⚠️ Fully designed but not tested. There is a high chance this won't work first try.
Unfinished, messy design. Do not use, for reference or otherwise.

Cheers to @Sonosus for the labeling idea

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This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.

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I'm building eurorack modules! You'll find all of them here, with gerber files, boms and kicad files too.

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