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.
PICPT2399 basd Digital Effect Pedal (Time Manipulator)
codeandrelax
75 × 78 mm113 parts4LMIT1
Boss ce2 auto place root
erincyldz
100 × 70 mm111 parts2LNo license1
Ud27c
iduwhux
97.5 × 97.5 mm106 parts2LNo license1
STM32Rythm mini v0.1
northernpaws
18 × 50 mm71 parts8LCERN-OHL-S-2.01
Mega 12v pwr
adeboni
185 × 144 mm67 parts2LGPL-3.01
RP2040/RP2350Virgil Power
da-penguin-guy
89 × 113 mm67 parts2LNo license1
ClassH RailSplitter
OSHE-Github
101.6 × 69.3 mm60 parts2LNo license1
400VAnoden
FordPrfkt
160 × 100 mm48 parts2LNo license1
Mini
TMANTsmith
58.5 × 60.5 mm44 parts4LNo license1
SSM3582 V2 halfway
matt-txrx
88.9 × 50.8 mm43 parts2LNo license1
Emphasis
ajjackson
73.7 × 104.1 mm43 parts2LNo license1
Solstrejf PSU & Stereo Mixer
KamikazeVildsvin
114.9 × 54 mm39 parts2LGPL-3.01
ProCo Rat
Wierdwizard2587
67.7 × 52.1 mm38 parts2LNo license1
ESP32S3 Audio Cam POE Smaller
jharvey
97.5 × 45.7 mm36 parts2LMIT1
ESP32ClearBell V0.2 Innen
akoerner-dev
98 × 60 mm33 parts4LMIT1
Sequencer Front
yry-dev
38.1 × 95.9 mm33 parts2LMIT1
Mixer FRONT
masl123
60 × 102 mm31 parts2LTAPR-OHL-1.01
Audio amp lm386 mk1 BACKUP 2992
andrsmllr
90.1 × 57.2 mm22 parts2LNo license1
Du Dad 2HP
shannon-greenlight
10 × 110 mm20 parts2LNo license1
ESP32Speakeasy panel 2x2
W-Floyd
84 × 106 mm17 parts2LNo license1
${TITLE}
joaln27
30.7 × 20 mm15 parts2LApache-2.01
Receiver effects
JMET04
50.3 × 42.3 mm14 parts4LMIT1
ParlaV0SMD
piruetasxyz
40 × 40 mm13 parts2LMIT1
Leds
damianmoore
16.5 × 44.5 mm11 parts2LNo license1
BM-83 Carrier
Antonio-Balestrino
33 × 38.1 mm10 parts2LApache-2.01
BatteryModule
philipturner
86.4 × 27.6 mm8 parts2LMIT1
Ribbon Controller Jack Panel
JordanAceto
188.6 × 34.9 mm6 parts2LCC-BY-4.01
ESP32RX8-7(WithoutOpAmps)
bradport02
165.3 × 123.7 mm388 parts4LNo license0
NXPQuad Preamp and 4-Channel Ambisonic Recorder
jdg511
138 × 114 mm242 parts4LNo license0
VoiceBoardR5
hsetlik
130 × 50 mm172 parts4LNo license0
Nref ports two
cetola
87.5 × 40.2 mm137 parts4LNo license0
Raspberry PiVinyl adc rev c
MadsRudolph
170 × 120 mm111 parts4LNo license0
Working checkpoint1
blthree
81.3 × 99.1 mm103 parts2LNo license0
01 as3340 vco
bmurauer
60 × 108 mm96 parts2LNo license0
Amplifier board six channels
mtguerreiro
50 × 45 mm93 parts2LBSD-3-Clause0
VC-LFOs
Desval27
160 × 100 mm92 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