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.
MegaAV rev0.5
RIP-Felix
50 × 50 mm143 parts4LCERN-OHL-S-2.047
Ant
mfkiwl
138 × 38 mm82 partsNo license46
RP2040/RP2350USeqIns1.0
Emute-Lab-Instruments
25.4 × 108 mm51 parts2LNo license45
Encoder panel
FutureSharks
64 × 55 mm39 parts2LGPL-3.045
WH148
gligli
132.1 × 55.5 mm12 parts2LGPL-3.045
Logitech Pedal Shield for Pro Micro
dmadison
31.2 × 48.1 mm6 parts2LGPL-3.044
Jupiter-II keyboard
ricaflops
157.5 × 67.3 mm43 partsMIT43
Micronova bus board
wntrblm
100 × 30 mm7 parts2LCC-BY-SA-4.042
CONNECTOR
aliqut
99.6 × 99.8 mm28 parts2LGPL-3.038
Nestronic Input Board
dkonigsberg
101.6 × 38.1 mm16 parts2LNo license38
Lcd Daughterboard
dchwebb
68 × 45 mm5 parts2LUnlicense38
NoiseAMP V2.3
Floyd-Fish
68.6 × 46 mm130 parts4LGPL-3.035
Batt Rev20
curtisseizert
112 × 100 mm53 parts2LMIT35
!!UNTESTED!!
niektb
50.5 × 128.5 mm124 parts2LCC-BY-SA-4.034
USBHub
wickerwaka
56.5 × 57.5 mm31 parts2LLGPL-3.034
DC2VGA Horizontal
jeffqchen
30.8 × 19.3 mm5 parts2LCC-BY-SA-4.034
ESP32ESP32-P4-PC Rev C
OLIMEX
60 × 90 mm329 parts4LMIT33
Drum k
Pl0p
49.5 × 90.8 mm79 parts2LNo license33
Corona mainBoard
coriolisinstruments
78 × 108 mm71 parts2LNo license33
PS2VGA Plug
20 × 30.8 mm5 parts2LCC-BY-SA-4.032
AVR/ArduinoMixer
rabidaudio
30.5 × 128.5 mm91 parts4LMIT31
Vco mk1
Windfisch
50 × 80 mm87 parts2LGPL-3.031
Arcade board
cester-ino
130 × 36.5 mm20 parts2LGPL-3.031
Midikraken DIN board
56 × 110 mm66 parts2LNo license27
NUBUSPAS16-DB
demik
53.3 × 76.2 mm54 parts2LCERN-OHL-P-2.027
Teensy eurorack breakout
newdigate
64.8 × 109.2 mm31 parts2LMIT27
ESP32PWR BRD by drharvey
dr-harvey
59.8 × 20 mm22 parts2LCC-BY-SA-4.026
CVMod8 V2 Main
Thorinair
100.8 × 108.6 mm161 parts2LCC-BY-SA-4.025
Control board
m0xpd
108 × 88 mm97 parts2LCC-BY-SA-4.025
RISC-VESP32 K210
ATmega8
68.8 × 53.6 mm87 parts4LMIT25
Q17-Mini, the Quad405 reborn
stefaweb
95 × 75 mm84 parts2LGPL-3.025
ESP8266ZXEVO.1010 (TOP board)
UzixLS
100 × 100 mm208 parts2LNo license24
Vm113-effects
mirdej
58 × 71 mm126 parts4LNo license23
Multi saturation module board a
DIYSynthMNL
40 × 108.5 mm43 parts2LGPL-3.023
Xfm2
bendecaf
181.4 × 70.6 mm86 parts2LGPL-3.022
Helper switch
30350n
15.5 × 25.8 mm7 parts2LCERN-OHL-W-2.022
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