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2 layers78.7 × 106.7 mmBraids v50, the printed circuit board in 3D

Eurorack modules

Size
78.7 × 106.7 mm
Copper layers
2
Thickness
1.6 mm
Parts
120
Nets
110
Pads
461
Tracks, vias
1,464, 230
Pours
2
Routed
Yes
KiCad
KiCad 6 (file 20211014)
Created
8 Mar 2023
Updated
11 Jan 2023

Overview

Braids v50 is an open-source printed circuit board by jonstapleton, from the jonstapleton/mutable_eurorack repository on GitHub. It is a 2-layer board of 78.7 × 106.7 mm with 120 parts on 110 nets, routed with 1,464 tracks and 230 vias.

It is built around the STM32F103CBT6, MCP3204-CI/P and MCP6004-E/P, with the TL072, 74HC595D and LM1117-3.3 among its other parts. Its parts include 56 resistors, 31 capacitors, 10 ICs, 6 transistors and 6 connectors. It belongs with the STM32 boards of this library.

Main components

9

README

README.md

Mutable Instruments' Eurorack Modules.

Forked from pichenettes' version and identical except:

  • Eagle brd and sch files converted to XML (making possible import into KiCad)
  • For some modules, KiCad versions have been added

I have updated this repo to reflect upstream changes, but I am no longer able to convert the Eagle files, so not all are available as XML.

  • Blades: Dual multimode filter.
  • Blinds: Quad VC-polarizer.
  • Braids: Macro-oscillator.
  • Branches: Dual Bernoulli gate.
  • Clouds: Texture synthesizer.
  • Ears: Contact microphone.
  • Edges: Quad chiptune digital oscillator.
  • Elements: Modal synthesizer.
  • Frames: Keyframer/mixer.
  • Grids: Topographic drum sequencer.
  • Kinks: Utility module - rectifier, analog logic, S&H, noise.
  • Links: Utility module - buffer, mixer.
  • Marbles: Random sampler.
  • Peaks: Dual trigger converter.
  • Plaits: Macro oscillator.
  • Rings: Resonator.
  • Ripples: Liquid 2-pole BP, 2-pole LP and 4-pole LP filter.
  • Shades: Triple attenuverter.
  • Shelves: EQ filter.
  • Stages: Segment generator.
  • Streams: Dual dynamics gate.
  • Tides: Tidal modulator.
  • Veils: Quad VCA.
  • Volts: +5V power module.
  • Warps: Meta-modulator.
  • Yarns: MIDI interface.

License

Code (AVR projects): GPL3.0.

Code (STM32F projects): MIT license.

Hardware: cc-by-sa-3.0

By: Emilie Gillet (emilie.o.gillet@gmail.com)

Guidelines for derivative works

Mutable Instruments is a registered trademark.

The name "Mutable Instruments" should not be used on any of the derivative works you create from these files.

We do not recommend you to keep the original name of the Mutable Instruments module for your derivative works.

For example, your 5U adaptation of Mutable Instruments Clouds can be called "Foobar Modular - Particle Generator".

Parts

120
QtyValueFootprintReferences
14100braids_v50:R0603R4, R5, R6, R7, R8, R9, R10, R12, R13, R14, R15, R16, R17, R18
14100nbraids_v50:C0603C1, C2, C3, C4, C5, C7, C11, C18, C20, C23, C26, C27, C28, C31
1124.9kbraids_v50:R0603R30, R31, R34, R35, R41, R42, R43, R44, R50, R52, R53
61.0kbraids_v50:R0603R1, R2, R3, R11, R23, R55
6100kbraids_v50:R0603R24, R29, R47, R48, R54, R56
610kBbraids_v50:ALPS_POT_VERTICAL_PSR19, R20, R21, R36, R37, R38
6PJ301_THONKICONN6braids_v50:WQP_PJ_301M6J1, J2, J3, J4, J5, J6
5MMBT3904braids_v50:SOT23-BECQ1, Q2, Q3, Q4, Q6
41nbraids_v50:C0603C13, C14, C16, C17
310kbraids_v50:R0603R22, R27, R33
3200kbraids_v50:R0603R28, R32, R40
2braids_v50:EVQ-Q2SW2, SW3
2100pbraids_v50:C0603C21, C22
218pbraids_v50:C0603C9, C10
21N5819HWbraids_v50:SOD123D1, D2
21ubraids_v50:C0603C6, C12
222ubraids_v50:PANASONIC_CC15, C19
239kbraids_v50:R0603R45, R46
247ubraids_v50:PANASONIC_DC25, C30
249.9kbraids_v50:R0603R25, R26
274HC595Dbraids_v50:SO16IC1, IC2
2KINGBRIGHT-PDC54-11braids_v50:PDC54DISP1, DISP2
1braids_v50:1X06JP3
110ubraids_v50:PANASONIC_BC24
1120kbraids_v50:R0603R39
1330braids_v50:R0603R51
14.7braids_v50:R1206R49
1470nbraids_v50:C0603C8
147pbraids_v50:C0603C29
18MHzbraids_v50:HC49UPQ5
1DAC8551braids_v50:MSOP-8IC5
1EC12E_SWbraids_v50:ALPS_EC12E_SWSW1
1LM1117-3.3braids_v50:TO252IC6
1LM4040B10braids_v50:DBZ_R-PDSO-G3IC8
1LM4040B25braids_v50:DBZ_R-PDSO-G3IC3
1M05X2MINIJTAGbraids_v50:2X5-1.27JP2
1M05X2PTHbraids_v50:AVR_ICSPJP1
1MCP3204braids_v50:SO14IC4
1MCP6004braids_v50:SO14IC7
1STM32F103CBT6braids_v50:LQFP48UC1
1TL072braids_v50:SO08IC10
1TL074Dbraids_v50:SO14IC9

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Questions

How big is the Braids v50 PCB?

It measures 78.7 × 106.7 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Braids v50 use?

120 parts, built around the STM32F103CBT6, MCP3204-CI/P, MCP6004-E/P and TL072. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.

Where can I download the Braids v50 KiCad files?

From the jonstapleton/mutable_eurorack repository on GitHub, at the commit this page was made from: the board is braids/hardware_design/pcb/KiCad/braids_v50.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.

Can I use the Braids v50 design in my own project?

Its repository states no licence, so its author keeps all rights: ask jonstapleton before reusing the design.