2,432 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.
Right board
flof-codes
10 × 19 mm6 parts2LGPL-3.02
OffsetAttenuverter
shiekhgray
20.3 × 127 mm4 parts2LUnlicense2
PortaRe0 USB adapter
0Re0-8192
105.2 × 39 mm4 parts2LNo license2
Josh Ox Ribbon Synth VCF/VCA/BBD board
JordanAceto
132.1 × 213.4 mm349 parts2LCC-BY-4.01
STM32SmallDSPMicro
Gemuesesaft
100 × 100 mm284 parts4LGPL-3.01
FPGADogrudan sdr A
kocer
235 × 225 mm279 parts6LNo license1
ESP32ESP32S3 Audio Cam POE Medium
jharvey
97.8 × 71.1 mm197 parts2LMIT1
A3
msayad97
149.9 × 155.6 mm192 parts2LNo license1
Anthracite PCB (Top)
trope-oshw
60 × 102 mm176 parts4LCERN-OHL-S-2.01
Control board
Alex-Wolfe
256.9 × 96.2 mm165 parts4LNo license1
HacKeys
velvia-fifty
100 × 100 mm151 parts2LCC-BY-NC-4.01
RP2040/RP2350Defcon sstv badge.backup
livitup
185.7 × 199 mm135 parts4LMIT1
RP2040/RP2350Laser controller
adeboni
30 × 109 mm124 parts2LGPL-3.01
Ud29
iduwhux
97.5 × 97.5 mm123 parts2LNo license1
AVR/ArduinoBoard
ak1211
160 × 100 mm118 parts2LMIT1
PICSimpleDigital THT electrolytes
codeandrelax
75 × 78 mm118 parts2LMIT1
Boss ce2 assembly
erincyldz
75 × 100 mm111 parts2LNo license1
Mixer BACK
masl123
60 × 102 mm99 parts2LTAPR-OHL-1.01
STM32Mini v0.3
northernpaws
20 × 40 mm94 parts8LCERN-OHL-S-2.01
Envelope follower
OSHE-Github
67.8 × 82.7 mm93 parts4LNo license1
Raspberry PiHACK CLUB RELATEDbackup
Studented0
88 × 155 mm93 parts4LMIT1
STM32LaserHarp3
amonbenson
99.1 × 59.7 mm88 parts2LNo license1
Control board
pmusgrave
157.5 × 157.5 mm86 parts2LNo license1
RP2040/RP2350Picotouch pad proto
todbot
190 × 34 mm79 parts2LGPL-3.01
RP2040/RP2350Virgil Controller
da-penguin-guy
128.1 × 87 mm74 parts2LNo license1
PracticeBoard
philipturner
34.7 × 59.3 mm69 parts2LMIT1
RP2040/RP2350ADC and amplifier pico breakout board
Jolt8
55 × 80.5 mm66 parts4LNo license1
ImtKeeb-Ortho62
imtua
276 × 87 mm62 parts2LGPL-3.01
RP2040/RP2350Crossfire
lightsource-nz
140 × 80 mm61 parts2LNo license1
Endstufe
FordPrfkt
165 × 135 mm59 parts2LNo license1
Solstrejf Modulation Matrix
KamikazeVildsvin
165.1 × 246.9 mm52 parts2LGPL-3.01
RP2040/RP2350Speek rx
JBlitzar
80 × 60 mm51 parts2LGPL-3.01
ESP32Full
TMANTsmith
54 × 106 mm51 parts4LNo license1
Flip flops
ajjackson
29.8 × 106.7 mm49 parts2LNo license1
ESP32ClearBell Ausseneinheit
akoerner-dev
110 × 60 mm45 parts2LMIT1
TPA3122D2 Amplifier
halherta
80 × 80 mm45 parts2LNo license1
Browse boards by part
AMS1117-3.3 1069USBLC6-2SC6 866RP2040 632W25Q128JVS 394TL072 319AP2112K-3.3 313TL074 281ESP32-S3-WROOM-1 268CH340C 249L7805 229Pico 22174HC595 218USBLC6-2P6 206LM358 20074LS04 180AP2112K-3.3TRG1 179ESP32-WROOM-32 169LM7805_TO220 167SRV05-4 165Arduino_Nano_v3.x 16474LS245 160W25Q128JVSIQ 15774LS138 15574LS32 152