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.
Eurobusboard idc jst 8
DIYSynthMNL
146 × 70 mm33 parts2LGPL-3.03
Designed by Aravinth
AravinthPanch
220 × 150 mm25 parts2LApache-2.03
Raspberry PiDac
naguirre
30.1 × 65.1 mm23 parts2LMIT3
Cheep4 panel
emeb
40.6 × 128.5 mm20 parts2LMIT3
Portal Gun PiHAT
rganlath3
65 × 56 mm20 parts2LCERN-OHL-S-2.03
PBJ EU
shannon-greenlight
111.4 × 128.5 mm16 parts2LGPL-3.03
ELEC3117 Template
r4hulrr
48 × 48 mm16 parts2LMIT3
OS TMM
stephenhouser
146.6 × 98.3 mm13 parts2LNo license3
Raspberry PiRaspberry pi adapter
NightLaneOrg
65 × 56 mm11 parts2LGPL-3.03
Sma adapter
bnahill
16.6 × 34.2 mm8 parts2LGPL-3.03
Mpe32sensor
udu3324
16 × 21 mm6 parts2LGPL-3.03
HDMItest
fachat
40.1 × 29 mm4 parts2LGPL-3.03
64-channel Shim Amplifier: Backplane
stockmann-lab
145 × 355 mm413 parts6LNo license2
STM32Io daughterboard
Jaxc
240 × 315 mm223 parts2LGPL-3.02
STM32Stencil
swiszczoo
150 × 56 mm217 parts2LNo license2
Kicad LFO 1 3
promesoft
100 × 100 mm147 parts2LMIT2
Panel
vk2gpu
99.1 × 99.1 mm117 parts2LNo license2
Black devil
Synthron
245 × 60 mm113 parts2LNo license2
DMH Output PCB Mezanine
DeMarco
49 × 164.5 mm105 parts2LCC0-1.02
STM32OTTO-main
cester-ino
239 × 80 mm100 parts2LGPL-3.02
STM32SparkFun Qwiic WAV Trigger Pro panelized
sparkfun
148.1 × 134.1 mm97 parts2LNo license2
STM32CEM3340 VCO
JordanAceto
55.9 × 78.7 mm92 parts2LCC-BY-4.02
Txfilters
mpvano
85 × 56 mm88 parts4LMIT2
Emiuet plate
emnyeca
297 × 102.4 mm86 parts2LNo license2
Zeus le
lopsided98
50 × 50 mm76 parts6LGPL-3.02
Delay
PancakeLegend
50 × 100 mm65 parts2LGPL-3.02
Huracan Mk III controller
terjeio
75 × 60 mm57 parts2LNo license2
3320 VCF main board
30.5 × 112.3 mm54 parts2LNo license2
DaisyDelayHardwareTestRoute
fablabnk
30 × 128.5 mm49 parts2LNo license2
ESP32Twisted
Triax-Labs
14 × 32.7 mm49 parts4LCC-BY-NC-4.02
Assembly without optional blocks
GarablueX
84.9 × 66.9 mm39 parts2LNo license2
Lpf ak4497 dual mono
ljufa
69.9 × 33 mm31 parts2LMIT2
SecondaryBoard
Kennystflr
85 × 31 mm30 parts2LNo license2
AVR/ArduinoPluralsight Drumkit
jzkmath
101.6 × 53.3 mm24 parts2LGPL-3.02
Filter Board
frohro
33 × 33 mm20 parts2LNo license2
MIDI 5V I/O circuit
6r1d
50 × 40 mm18 parts2LMIT2
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