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2 layers70 × 100 mmTracker, the printed circuit board in 3D

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Size
70 × 100 mm
Copper layers
2
Thickness
1.6 mm
Parts
14
Nets
51
Pads
103
Tracks, vias
106, 5
Routed
Yes
KiCad
KiCad 8.0 (file 20240108)
Created
15 Jun 2024
Updated
7 Sep 2026

Overview

Tracker is an open-source printed circuit board by Alloyed, from the Alloyed/KitsBlips repository on GitHub, published under the MIT licence. It is a 2-layer board of 70 × 100 mm with 14 parts on 51 nets, routed with 106 tracks and 5 vias.

Its parts include 9 connectors, 3 switches and 2 ICs.

README

README.md

KitsBlips

Monorepo for my Eurorack/synthesizer hobby projects! (that's me, I'm kit)

Everything is always in a state of "not-quite-finished". if something is unclear or unusable in its current state, and you want to use it, feel free to open an issue or contact me.

For technical reasons, this project is ordered by toolset and not by module. this means the full source for a single module may be across multiple folders! Sorry.

unless otherwise listed, all code is MIT licensed. All hardware designs and graphics (kicad, svg etc) are CC-BY-SA 4.0.

Building/Installing

Each project/folder has a specific readme that includes extra steps if necessary, but in general, builds are managed using cmake.

text
$ mkdir -p <folder>/build && cd <folder>/build
$ cmake .. -DCMAKE_BUILD_TYPE=<build type: Debug, MinSizeRel, RelWithDebInfo>
$ cmake --build . --config=<the build type>
$ cmake --install . --prefix <location> # if the target supports installation
$ ctest # if the target has unit tests

once you have all your configurations set up, you can quickly rebuild all/run tests using rebuild-all.sh.

Projects

For Hardware:

  • /daisy
    • DSP code for hardware modules, using the Daisy microcontroller.
  • /kicad
    • Hardware design files

For VCV Rack:

For DAWS:

  • /daw
    • Modules for DAWS (VST3/CLAP plugins)
  • /clapeze
    • Microframework for writing clap plugins
  • /kitgui
    • UI library for clap plugins

Shared:

  • /panels
    • Art/Panel designs.
  • /kitdsp
    • Shared DSP code, runs on all platforms
  • /kitdsp-gpl
    • DSP code with GPL algorithms. This is the only folder that comes with extra license restrictions!

AI statement

KitsBlips will not accept PRs that are generated wholly or in significant part by generative AI. Future development will not use Generative AI.

There are a few older commits where I tried it for automatic refactoring, found it less than successful, and cleaned it up afterward. You can try the same thing; I wouldn't be able to tell the difference probably, but my conclusion to that experiment was that it wasn't worth it at the time.

Parts

14
QtyValueFootprintReferences
73.5mm_Mono_SwitchedConnector_Audio:Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHolesJ2, J4, J5, J6, J7, J8, J9
2SW_PushButton_Switch_THT:SW_PUSH_6mm_H13mmSW2, SW3
13.5mm_StereoKitsBlips:Stereo_Thonk_PJ366STJ3
1EURO_PWR_2x5KitsBlips:Pins_2x05_2.54mm_TH_Europower_shroudedJ1
1RotaryEncoder_SwitchRotary_Encoder:RotaryEncoder_Bourns_Vertical_PEC12R-3x17F-SxxxxSW1
1TZT_Display_ST7789VKitsBlips:TZT_Display_ST7789VU2
1~KitsBlips:ES_DAISY_PATCH_SM_REV1U1

Questions

How big is the Tracker PCB?

It measures 70 × 100 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Tracker use?

14 parts. 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 Tracker KiCad files?

From the Alloyed/KitsBlips repository on GitHub, at the commit this page was made from: the board is kicad/ida-tracker/tracker.kicad_pcb and its schematic kicad/4knobs/4knobs.circuitjs.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the Tracker design in my own project?

Its repository publishes it under the MIT licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).

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