740 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.
ESP8266Trhmsx
wagnertavares
150.4 × 120.4 mm120 parts4LNo license4
NXPEnclosurefinal00
thenfour
59 × 69 mm117 parts2LNo license4
Chisel nes
shino-hinaduki
100 × 100 mm108 parts2LGPL-3.04
AVR/ArduinoTouchless xm
eldstal
57.5 × 61 mm71 parts2LNo license4
Eurorack Dexy Module
Len42
50.5 × 108.2 mm70 parts2LNo license4
Dist amp
thinkfat
63.5 × 100 mm37 parts4LNo license4
ESP32BluetoothPedal Main
skngh
52 × 59 mm36 parts2LMIT4
Ts9 clone
ioankatsi
100 × 80 mm28 parts2LNo license4
Piezo-9v
Supermagnum
70 × 54.5 mm26 parts2LCC0-1.04
Waveblaster to midi module adapter
nikitalita
33 × 94.5 mm6 parts2LApache-2.04
ARTIQAmp
mit-ll
190.5 × 152.4 mm456 parts6LCustom license3
ESP32Starman
adamm
182 × 150 mm241 parts4LCustom license3
Radio usb interface
SP8EBC
127 × 90 mm200 parts2LNo license3
MSM Stereo LPF filter board
JordanAceto
167.6 × 101.6 mm173 parts2LNo license3
Headphone-DAC-AMP
ddabidov
56 × 96.9 mm167 parts4LNo license3
STM32Stm midi poc1
LispEngineer
100 × 100 mm111 parts4LCC-BY-SA-4.03
PSU-5V-6V-Dual9V
ohdsp
100 × 100 mm103 parts2LTAPR-OHL-1.03
Ksoloti Core
ksoloti
120 × 100 mm96 parts4LNo license3
STM32Audio-Devboard
Outdatedcandy92
56 × 37 mm80 parts4LCERN-OHL-W-2.03
Dat ting Module
50.5 × 108.5 mm76 parts2LNo license3
2024 PiezoPreamp3
arxwtf
71 × 36.8 mm73 parts4LMIT3
ESP32WAZO
DevMubarak1
60 × 60 mm72 parts2LMIT3
KLON
grant-cox
94.5 × 63.5 mm69 parts2LMIT3
Glockwork orange
newtontriumphant
66 × 90 mm62 parts2LNo license3
ESP32STARLITE PRODUCTION
AndrewJ-25
154.2 × 250 mm62 parts2LNo license3
PBJ EU Sub
shannon-greenlight
111.4 × 29.5 mm60 parts2LGPL-3.03
Melper
160 × 60 mm36 parts2LGPL-3.03
Phonkyo
fabiomsouto
65 × 30 mm31 parts2LCC-BY-NC-4.03
AVR/ArduinoHigher lower
oskitone
63.5 × 38.1 mm14 parts2LCC-BY-SA-4.03
FootprintTest
fachat
130.1 × 31 mm7 parts2LGPL-3.03
TI MSP430/CCProjet Sound Bar DIY
HodearS
165.7 × 85 mm799 parts4LNo license2
RP2040/RP2350PortaRe0
0Re0-8192
135 × 77 mm349 parts6LNo license2
ESP32SF 01 Compute Board
sandgum
128 × 128 mm332 parts4LNo license2
DMH Output PCB 1
DeMarco
48 × 175 mm263 parts2LCC0-1.02
Hw udsp card
crsknr
60 × 30 mm211 parts6LGPL-3.02
AmpTwo
100 × 100 mm175 parts2LNo license2
Browse boards by part
AMS1117-3.3 345USBLC6-2SC6 296RP2040 224W25Q128JVS 135TL072 118CH340C 116AP2112K-3.3 103ESP32-S3-WROOM-1 97TL074 94AP2112K-3.3TRG1 82SRV05-4 73W25Q128JVSIQ 73USBLC6-2P6 70Pico 52L7805 50XC6206P332MR 50MCP73831T-2ACI/OT 49SN65HVD230 49AMS1117-5.0 48ESP32-S3-WROOM-1-N16R8 48LM393 44BME280 43DW01A 43LAN8710A-EZC(QFN32) 43