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.
STM32Mixed signal Board Rev C
Akhilesh-design-02
47.1 × 45.4 mm88 parts4LNo license0
Audio mixer
gridbugs
86.1 × 165.2 mm87 parts2LMIT0
MusicBrain VCA8 - 8x VCA slot card
MarkWestbroek
80 × 45 mm85 parts2LMIT0
Nordic nRFMSBE V3 BGA 6-layer
Monty103
55.9 × 8.7 mm85 parts6LNo license0
RP2040/RP2350Ground fill input
dcuccia
44.5 × 48.4 mm84 parts2LMIT0
Vcf
eblade
99.1 × 99.1 mm80 parts2LNo license0
ESP32Pcm5102a board
cbaurtx
100 × 50 mm79 parts4LCERN-OHL-W-2.00
Dac line output eval
birdybro
112 × 72 mm77 parts4LGPL-3.00
1U Rim
rhinocerose
56.9 × 28.7 mm76 parts2LNo license0
Classd.autoplaced.refined.routed
MadsRudolph
190.5 × 104 mm61 parts2LNo license0
AMP3886
dmsd-lab
95 × 78 mm59 parts2LCERN-OHL-S-2.00
RADIAN Panel / Interface
KrasForge
180.5 × 108 mm59 parts4LMIT0
MS20 FIlter Module
carl-becker
80 × 57.5 mm57 parts2LNo license0
Power Supply
jonaheinke
76.5 × 99 mm51 parts2LMIT0
Big Muff Pi
Network-Direction
44.5 × 55.3 mm49 parts2LNo license0
Channel
Brunner-neutrino-lab
138 × 52 mm45 parts4LNo license0
ButtonMatrixBoard
8-Lambda-8
80 × 40 mm42 parts2LGPL-3.00
Digital volume
barrybridges68
80 × 40 mm41 parts2LGPL-3.00
NXPADSR Module
Fora888
53.3 × 106.7 mm40 parts2LMIT0
STM32Test candidate breakthrough
akularya6-del
15 × 31 mm38 parts4LNo license0
USB Audio EVT
adrianhelfer
57.5 × 60 mm36 parts2LNo license0
ESP32Marble sequencer main circuits
felicien-brochu
207 × 104 mm35 parts2LNo license0
Touch test board
kaine119
78.7 × 51.7 mm28 parts2LCERN-OHL-P-2.00
Peakick
rrainey
58.4 × 54 mm26 parts2LGPL-3.00
Cvbs effects
ckarcz
44.5 × 39.5 mm25 parts2LMIT0
Microchip SAMLO Necklet
gatechipdl
82.6 × 85.1 mm24 parts2LMIT0
Keyboard 555
1999AZZAR
100 × 48 mm23 parts2LMIT0
Uq phone cellular
JamesB-Wood
45 × 30.2 mm19 parts4LCERN-OHL-S-2.00
Super DMG JACK
awhit003
54.8 × 16 mm18 parts2LCC-BY-SA-4.00
RP2040/RP2350Segno pedal ring
tomassasovsky
80 × 80 mm17 parts2LGPL-3.00
Audio amplifier
jeff4444
47 × 49 mm14 parts2LNo license0
RS485APC
edwindertien
46.9 × 19.7 mm12 parts2LNo license0
Midi controller oled board teensy v2
mppowell
287 × 21 mm11 parts2LNo license0
Power board
adoble
59.7 × 60.7 mm9 parts2LNo license0
Samplooler stack top
willbearfruits
90 × 64 mm6 parts2LGPL-3.00
Breakout 10TSSOP
piercehowell
21.6 × 19.1 mm3 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