KiCad sourceAudio & music
Haxo hw
by cardonabits
Haxophone, an electronic musical instrument that resembles a saxophone
672 20Custom
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Download ProtoFlow287 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.
KiCad sourceby cardonabits
Haxophone, an electronic musical instrument that resembles a saxophone
KiCad sourceby UzixLS
Tiny IBM PC compatible machine with 386 CPU, integrated VGA and sound.
KiCad sourceby 30350n
PCB panels for Mutable Instruments eurorack modules
by hkzlab
Sound Card for the ISA (8bit) bus sporting Sound Blaster / Sound Blaster PRO emulation via ES688F chip, and a real Yamaha OPL3 FM Synth. It's also completely jumper configurable.
by vonkonow
Leet AI – Wireless Synthesizer Ensemble with AI-powered composition for endless inspiration
by zjuyzj
A re-designed, simplified version of OPL2LPT Adlib-Compatible sound card working on printer port.
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.