REFERENCE DESIGNS

Open hardware, with the files to prove it.

887 published boards whose schematic and layout source is public — KiCad, EAGLE, Altium and EasyEDA projects you can read, fork and build on. Every entry links to the original repository and names its licence.

Boards indexed

887

With a design page

887

KiCad projects

405

Teensy Eurorack

by newdigate

Hardware Design: Eurorack shield for teensy 4.1 with 14 in / 16 out analog channels

258 26MIT

Teensy Control Voltage board, published by newdigate

KiCad source

Audio & music

Teensy Control Voltage

by newdigate

Hardware Design: 16 channel analog control voltage shield for teensy 4.1; 8ch in / 8ch out; +-10V @ 16bits/sample;

27 5MIT

74Logic SA ADC board, published by schilkp

KiCad source

Audio & music

74Logic SA ADC

by schilkp

A discrete Successive Approximation ADC built from individual logic gates.

9 0MIT

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Every project listed here belongs to its author and is linked to its original repository. Licences are read from the repository metadata and summarised for convenience — check the licence file in the project itself before you manufacture or redistribute a design. ProtoFlow does not host, mirror or verify these files. Index last rebuilt 2026-09-21.

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