2 layers150.5 × 127 mm
Eurorack engine
sinneb/esp32-hvcc
Heavy compiler (hvcc) sources running on ESP32-DevKitC powered eurorack module
81 parts29
Audio
401 boardsKiCad boards from 103 GitHub repositories tagged “audio”, the most starred first; open any of them in PCBKit.
- 2 layers60 × 112.1 mm
- 4 layers25.3 × 35.1 mm
Agb hifi audio pcb
cajunpanda/gameboy-hifi-audio
A HiFi audio mod for various Game Boy models
66 parts25MIT - 2 layers190 × 75 mm
Q17-TURBO
stefaweb/Q17-Amplifier
The Q17 is an error correction HIFI amplifier based on the QUAD405 current dumping principle.
109 parts25GPL-3.0 - 2 layers58 × 26.8 mm
- 2 layers34 × 23.4 mm
DWAVE
hkzlab/DWAVE_MIDI_Wavetable
DWAVE is a small General MIDI module for the wavetable connector of your old sound card, based on the SAM2695 chip
28 parts20 - 4 layers30 × 53.5 mm
Speak to Me
wntrblm/Speak_to_Me
A beautiful stereo headphone amplifier and a delightfully lo-fi speaker
54 parts20 - 2 layers60 × 85 mm
- 2 layers9 × 110 mm
Passive stereo output
bmoren/Stereo-Output-2hp
passive stereo output in 2hp (a companion for nearness)
6 parts18 - 2 layers63.5 × 82.6 mm
Matrix
HorstBaerbel/HubAlyzer
A spectrum analyzer display for HUB75 RGB LED panels and I2S microphones
12 parts17MIT - 2 layers
1row
tomcombriat/TES_8-knobs-synth
Open sourced hardware synthesizers (with eight knobs and MIDI support) based on Mozzi sound synthesis library
33 parts17GPL-3.0 - 2 layers76 × 70 mm
- 2 layers90.8 × 22.9 mm
- 2 layers174 × 111 mm
Pedalboard hw
pedalboard/pedalboard-hw
pedalboard audio midi processor open hardware
169 parts14CERN-OHL-P-2.0 - 2 layers148.3 × 108.4 mm
RJ Schematic v1.0
Jscott44/RTEP5-the-raspberry-jam
Realtime digital guitar effects pedal designed for Raspberry PI, written in C++
121 parts13MIT - 2 layers41 × 43.6 mm
DatassetteAudioAdapter
SukkoPera/DatassetteAudioAdapter
Replace the Commodore Datassette with any audio source!
20 parts13 - 2 layers99.8 × 99.8 mm
- 2 layers151.3 × 50.8 mm
- 2 layers59 × 60 mm
6ch sound fx proc
dilshan/6ch-sound-processor
A 5.1-channel, analog audio processor based on PT2322 and Arduino Nano
73 parts12MIT - 2 layers108.1 × 61.2 mm
Signl
afms135/signl
An Open Source Real-Time Audio Effects Processor running on Raspberry Pi
67 parts11 - 4 layers63.5 × 22.9 mm
NuDAC
danchouzhou/NuDAC
A USB sound card based on Nuvoton M482ZGCAE MCU and NAU88L25 I2S audio codec
62 parts11MIT - 2 layers426 × 43.2 mm
1URack 8Input AB 2Output Mixer
cracked-machine/1URack_8Input_AB_2Output_Mixer
Eurorack-compatible 1U 8-channel mixer with selectable A/B outputs.
59 parts10 - 2 layers130 × 75 mm
- 2 layers
