4 layers48 × 35 mm
Audio and music
4,491 boards4,491 open-source audio and music boards from 2,466 GitHub repositories, each designed in KiCad and read from its files: its size, layers, parts, README and project.
They have a median size of 93 × 50 mm and most often 2 copper layers (85 %). The parts their repositories use most are the TL072, MMBT3904, AMS1117-3.3, NE5532 and LM358.
Parts they use most
- 2 layers20.6 × 23.6 mm
AO-03 signal amplifier
fossasia/pslab-scripts
Pocket Science Lab - Scripts for Sensor Experiments
13 parts1.6kApache-2.0 - 2 layers134 × 88 mm
Tulipcc
shorepine/tulipcc
The Tulip Creative Computer and AMYboard - portable Python synthesizers
103 parts978 - 2 layers181 × 97 mm
OpenDeck r3.1.2
shanteacontrols/OpenDeck
A platform for building interactive control and sensing devices using MIDI and OSC built with Zephyr RTOS.
262 parts960Apache-2.0 - 4 layers102.9 × 96.7 mm
PicoGUS chipdown
polpo/picogus
Emulation of ISA sound cards and CD-ROM on Raspberry Pi Pico (GUS, SB/Adlib, MPU-401, Tandy, CMS, Panasonic CD-ROM) with USB mouse/joystick support
99 parts805 - 2 layers231.1 × 106.7 mm
- 4 layers70.8 × 108 mm
- 2 layers40.6 × 110 mm
Europi surface mount
Allen-Synthesis/EuroPi
EuroPi: A reprogrammable Eurorack module based on the Raspberry Pi Pico
92 parts584CC0-1.0 - 2 layers42.5 × 28.8 mm
C5VRX JACK DIY V2
Twotoz/C5VRX
Ultra-minimal, zero-CPU 5.8 GHz analog FPV video receiver using ESP32-C5 Wi-Fi 6 PHY MODEM_DIAG, BitScrambler WBFM demodulation & resistor DAC CVBS
18 parts515GPL-3.0 - 2 layers60.5 × 76.8 mm
Headphones prototype pcb
strangeparts/niubi-headphones
Flexible circuit board design for adding a headphone jack to an iPhone 7
53 parts493MIT - 2 layers148 × 84.5 mm
Panel daisy
ohmtech-rdi/eurorack-blocks
Software to Hardware Prototyping for Eurorack using C++, Max/Gen~ or Faust
259 parts410 - 2 layers62 × 116.3 mm
Patternflow
engmung/Patternflow
An open-source LED synthesizer. Play light patterns with your fingertips — and every Patternflow plays every pattern we make.
9 parts352 - 4 layers96 × 100 mm
OtterCastAmp
Ottercast/OtterCastAmp
OtterCastAmp is an open-source WiFi Speaker amplifier, based on a Sochip S3 SoC. Powered by any USB PD adapter for up to 100W of music.
272 parts341MIT - 2 layers151.5 × 95 mm
Aciduino pcb
midilab/aciduino
Affordable and DIY, Roland TB-303 and TR-808 step sequencer clone and midi controller. Packed with additional features, specifically designed for musicians and DJs to use on live performances or streamline their studio…
39 parts334MIT - 2 layers59.7 × 57.5 mm
- 2 layers39.6 × 99.1 mm
ESP32-Eurorack Audio
ctag-fh-kiel/ctag-tbd
CTAG TBD >>to be determined<< an extendible open source Eurorack sound module
128 parts260 - 2 layers118.1 × 101.6 mm
Teensy eurorack
newdigate/teensy-eurorack
Hardware Design: Eurorack shield for teensy 4.1 with 14 in / 16 out analog channels
102 parts259MIT - 2 layers
Two sided
potatobeanradio/circuitRF
Full featured RF circuit + electromagnetic simulator. DC, S-parameters, harmonic balance, loadpull, envelope. Also supports 2D and 3D layout and design and electromagnetic MoM, FEM, FDTD + thermal FEM.
9 parts258MIT - 6 layers31.7 × 110 mm
Eurorack pmod pcb
apfaudio/eurorack-pmod
A eurorack-friendly audio frontend compatible with many FPGA boards, based on the AK4619VN audio CODEC.
155 parts241 - 4 layers150 × 90 mm
Misrc v2.5-rounded
Stefan-Olt/MISRC
MISRC Is a multi channel RF capture device for FM RF, S-Video, CVBS RAW capture and anything else, but intended and supported for the decode family of projects vhs-decode, ld-decode, hifi-decode.
328 parts236CC-BY-4.0 - 2 layers54.6 × 89.5 mm
- 2 layers110 × 110 mm
FreeDSP aurora
freeDSP/freeDSP-aurora
freeDSP ADAU1452 with 8 analog input, 8 analog outputs, S/P-DIF I/O, ADAT I/O, USB Audio Class2, WiFi, Bluetooth
506 parts226CC-BY-SA-4.0 - 2 layers157.5 × 116 mm
Sequencer
zueblin/Polaron
A DIY drum machine for the teensy microcontroller (hardware / software)
107 parts226 - 2 layers58 × 110 mm
Questions
Where can I find open-source audio and music boards?
This page lists 4,491, from 2,466 repositories on GitHub, each read from its KiCad files with links to the original repository; PCBKit opens any of them in the browser.
What parts are most common on audio and music boards?
The TL072, MMBT3904, AMS1117-3.3, NE5532 and LM358 appear in the most repositories here; each links to its symbol, footprint and the boards that use it.
How big is a typical audio and music board?
The median is 93 × 50 mm, most often with 2 copper layers (85 %).