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.
ESP8266LO Main RevB
gatechipdl
70 × 70 mm51 parts2LMIT0
NXPVCA Module
Fora888
45.7 × 106.7 mm50 parts2LMIT0
Distortion
Network-Direction
53.3 × 47.5 mm50 parts2LNo license0
Audioboard
grahamseamans
70 × 58 mm45 parts2LNo license0
ESP32Marble sequencer control tracks circuits 2
felicien-brochu
155 × 61 mm43 parts2LNo license0
Lyrebird dac
tm-treehouse
250.8 × 59 mm42 parts2LNo license0
STM32Test b 65 78 77 615
akularya6-del
15 × 31 mm38 parts4LNo license0
Eurorack power bus
ckarcz
245 × 50 mm33 parts2LMIT0
Audio test board
kaine119
25.1 × 55.8 mm32 parts2LCERN-OHL-P-2.00
STM32Syntheis and aeffects module
connormichalec
68 × 37.5 mm31 parts2LNo license0
RP2040/RP2350RP2040 minimal r2
LastZactionHero
52 × 51 mm30 parts2LMIT0
PCM2900C
Envious-Data
22 × 40.6 mm28 parts2LGPL-3.00
Psu layout v04
ewinkuo1-sudo
160 × 120 mm26 parts2LMIT0
I2s conv.
b3dag
51.4 × 45.7 mm26 parts2LNo license0
SparkFun HX711 Load Cell
feastorg
30.5 × 22.9 mm25 parts2LGPL-3.00
Tht opamp eq
1999AZZAR
88 × 61 mm24 parts2LMIT0
HockeyHelmetHeadphonesRight
Colden-Rother
60.8 × 58 mm24 parts2LCC-BY-NC-4.00
DI
DomenLemut
86.3 × 86 mm23 parts2LNo license0
Power supply
TR-JAYAVARDHAN-SINGH
105.1 × 75.1 mm23 parts2LNo license0
AVR/ArduinoMedalv2
VincentPeters
45 × 45 mm22 parts2LMIT0
Keyboard matrix
morgobongo
175.3 × 28.6 mm21 parts2LCustom license0
Input Signal Conditioner (ISC)
piercehowell
65.4 × 40 mm21 parts2LMIT0
Summing mixer jacks
pythagorean-comma
25.5 × 107.8 mm21 parts2LNo license0
Controller
adoble
71.1 × 73.9 mm20 parts2LNo license0
Pura mainboard noroute
rvbcrs
50 × 50 mm18 parts2LNo license0
NXPMidi controller control board teensy
mppowell
66 × 135 mm17 parts2LNo license0
Sunrise clock display board
atoomnetmarc
160 × 45.7 mm16 parts2LApache-2.00
ESP32NathanHuang Sp25 1
NHuang58
112.7 × 89.7 mm15 parts2LNo license0
Circuit
jeff4444
65.5 × 43.5 mm15 parts2LNo license0
ESP32Samplooler stack bottom
willbearfruits
90 × 64 mm15 parts2LGPL-3.00
ESP32Hidden Bone Conduction Headphones
jrydin01
32 × 45 mm14 parts2LCC0-1.00
Clickwheel
eyendamuri
44.6 × 33.7 mm6 parts2LNo license0
Glavna Pločica
mirkoj-boop
22.1 × 41.5 mm6 parts2LNo license0
Trunk imu
Leif-Rydenfalk
18 × 15 mm4 parts2LApache-2.00
LowPassFilter
brokebit
40.9 × 18 mm4 parts4LNo license0
Led flashlight placed
akshayparseja
35.5 × 48 mm3 parts2LNo license0
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