2,492 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.
Bias
FordPrfkt
80 × 50 mm36 parts2LNo license1
Virgil Backplane
da-penguin-guy
212 × 46 mm36 parts4LNo license1
ESP32ClearBell Inneneinheit
akoerner-dev
98 × 60 mm28 parts2LMIT1
Solstrejf voiceboard frontpanel
KamikazeVildsvin
41.2 × 123.4 mm27 parts2LGPL-3.01
Eurorack psu twobrick
yry-dev
19.8 × 110 mm23 parts2LMIT1
Audio amp lm386 mk1 BASE 2992
andrsmllr
90.1 × 57.2 mm22 parts2LNo license1
ESP32Speakeasy panel 2x3
W-Floyd
84 × 149 mm17 parts2LNo license1
Nand
ajjackson
35.6 × 30.5 mm14 parts2LNo license1
Mini breakout v0.1
northernpaws
20 × 63.5 mm13 parts4LCERN-OHL-S-2.01
Parla guitarra v-0
piruetasxyz
30 × 30 mm10 parts2LMIT1
Sa818-u carrier
livitup
120 × 40 mm9 parts2LMIT1
PD Jack RevB
Antonio-Balestrino
50.8 × 71.1 mm6 parts2LApache-2.01
Amplifier Test
DIaLOGIKa-GmbH
35.6 × 22.9 mm6 parts2LMIT1
DuDad2HP Panel
shannon-greenlight
10 × 128.5 mm5 parts2LNo license1
ESP32RX8-7(STM CENTRE)
bradport02
165.3 × 123.7 mm384 parts4LNo license0
NXPQuad Preamp and 4-Channel Ambisonic Recorder
jdg511
138 × 114 mm242 parts4LNo license0
Reform camera
cetola
46 × 46 mm114 parts4LNo license0
STM32Mixed signal Board Rev D
Akhilesh-design-02
47.1 × 45.4 mm88 parts4LNo license0
COM
Desval27
160 × 100 mm85 parts2LMIT0
V01
blthree
78.4 × 65.5 mm84 parts2LNo license0
RP2040/RP2350Imu cleanup staged
dcuccia
44.5 × 48.4 mm84 parts4LMIT0
ESP32Tas5805m board
cbaurtx
99.1 × 99.1 mm78 parts4LCERN-OHL-W-2.00
Lfo
eblade
99.1 × 99.1 mm76 parts2LNo license0
GSwitch LOOP8 - 8x true bypass relaisloop
MarkWestbroek
200 × 58 mm71 parts2LMIT0
RP2040/RP2350GamePulse 2040
MAHESH-THILAK-K
81.3 × 99.8 mm70 parts2LApache-2.00
07 seq10
bmurauer
40 × 108 mm70 parts2LNo license0
AVR/ArduinoEurorack hagiwo euclidean
rhinocerose
90.4 × 127.3 mm67 parts2LNo license0
Classd.refined
MadsRudolph
190.5 × 104 mm61 parts2LNo license0
RADIAN Panel / Interface
KrasForge
180.5 × 108 mm59 parts4LMIT0
PSU
carl-becker
350 × 50 mm45 parts2LNo license0
ButtonMatrixBoard panelized
8-Lambda-8
80 × 80 mm42 parts2LGPL-3.00
Vinyl adc channel l
100 × 100 mm39 parts2LNo license0
STM32Test gnd via 7135 71
akularya6-del
15 × 31 mm38 parts4LNo license0
Rat
Network-Direction
46.7 × 37.7 mm37 parts2LNo license0
Front panel motor eval
birdybro
80 × 48 mm36 parts4LGPL-3.00
NXPWavetableVCO Module
Fora888
55.9 × 101.6 mm33 parts2LMIT0
Browse boards by part
AMS1117-3.3 1196USBLC6-2SC6 983RP2040 699W25Q128JVS 421AP2112K-3.3 376TL072 339TL074 307ESP32-S3-WROOM-1 304CH340C 274L7805 271Pico 25174HC595 248USBLC6-2P6 248LM358 228AP2112K-3.3TRG1 205Arduino_Nano_v3.x 19774LS04 193LM7805_TO220 185ESP32-WROOM-32 18274LS245 171SRV05-4 169W25Q128JVSIQ 16974LS138 16274LS32 161