2,590 open source boards in Audio
Amplifiers, DACs, synthesizers, Eurorack modules, MIDI and guitar pedals. Every board here is a public GitHub project with its KiCad files, read for size, layers and parts. Pick one close to your design and simulate its firmware on HardLabs before you build it.
Mult
VincentPeters
43.7 × 94.2 mm36 parts2LNo license9
Adapter 1U27HP3uAv2
MostlyCoraGrace
137 × 39.6 mm12 parts2LMIT6
Audio
melair
80 × 50 mm49 parts4LNo license5
Parakeets
apaleslimghost
76.2 × 94 mm31 parts2LMIT5
Icom-RJ45
open-headset-interconnect-standard
27.3 × 30.5 mm3 parts2LCC-BY-4.05
STM32Current sensor filter
Synthron
160 × 100 mm91 parts4LNo license3
SAX 2
tomcombriat
54.8 × 85.6 mm34 parts2LTAPR-OHL-1.03
AmpBlock
mit-ll
12.6 × 6.6 mm9 parts2LCustom license3
XPS:OutputConnector
yu2924
35 × 62 mm6 parts2LCC0-1.03
STM32Modulation Source
JordanAceto
99.1 × 68.6 mm73 parts2LCC-BY-4.02
ASDR - Old
PancakeLegend
50 × 100 mm40 parts2LGPL-3.02
Shim Amplifier: Serial Interface
stockmann-lab
58 × 36.5 mm18 parts2LNo license2
010 - Amplifier
Halogenek
15 × 20 mm11 parts2LCC-BY-SA-4.02
Half bridge
iduwhux
96.5 × 98 mm75 parts2LNo license1
EurorATX
velvia-fifty
47 × 128.5 mm52 parts2LCC-BY-NC-4.01
Switch0.2
msayad97
128.8 × 109.3 mm47 parts2LNo license1
Josh Ox Ribbon Synth power supply board
143.5 × 61 mm34 parts2LCC-BY-4.01
Keystep expander module
adeboni
40.3 × 100 mm24 parts2LGPL-3.01
Regler
FordPrfkt
205 × 50 mm22 parts2LNo license1
HF Amplifier
QSUM-UNB
30 × 30 mm17 parts4LNo license1
RGB LED Mounting Board
Wierdwizard2587
84 × 15 mm16 parts2LNo license1
RISC-VDAC HPA 100x100 BASELINE REVIEW ONLY
ooyang0325
100 × 100 mm470 parts4LNo license0
NXPQuad Preamp and 4-Channel Ambisonic Recorder
jdg511
138 × 114 mm242 parts4LNo license0
RP2040/RP2350Imu fanout method staged
dcuccia
44.5 × 48.4 mm84 parts4LMIT0
ADSR CONTROLLER
Desval27
160 × 100 mm77 parts2LMIT0
Cem3340-module REDDIT
blthree
49.5 × 99.7 mm65 parts2LNo license0
MusicBrain MATRIX - 8-stemmige audio patchmatrix
MarkWestbroek
175 × 142 mm63 parts4LMIT0
1U Headphone
rhinocerose
57 × 28.7 mm51 parts2LNo license0
03 env vca
bmurauer
20 × 109 mm45 parts2LNo license0
Nref usb3-redriver
cetola
54.5 × 32 mm40 parts4LNo license0
Noise
eblade
33 × 99.1 mm38 parts2LNo license0
STM32Test rf
akularya6-del
15 × 31 mm38 parts4LNo license0
Mix-Lite-Module
carl-becker
60 × 55 mm33 parts2LNo license0
Elk pwm amp
eyalo-dev
45.1 × 95.3 mm28 parts2LNo license0
ButtonMountingBoard2x3Way
radionerd
223.5 × 18.4 mm22 parts2LNo license0
Audio Amplifier with base
Amaza-Ronald
66 × 59.5 mm18 parts2LNo license0
Browse boards by part
AMS1117-3.3 1287USBLC6-2SC6 1056RP2040 725W25Q128JVS 444AP2112K-3.3 408TL072 347ESP32-S3-WROOM-1 324TL074 308CH340C 290L7805 29074HC595 267USBLC6-2P6 260Pico 258LM358 237AP2112K-3.3TRG1 22474LS04 207ESP32-WROOM-32 203Arduino_Nano_v3.x 202LM7805_TO220 20174LS245 18474LS138 176SRV05-4 17674LS08 17574LS32 175