
Haxo hw
by cardonabits
Haxophone, an electronic musical instrument that resembles a saxophone

by cardonabits
Haxophone, an electronic musical instrument that resembles a saxophone

by philippe44
all-in-one audio board, works specially well with LogitechMediaServer

by newdigate
Hardware Design: Eurorack shield for teensy 4.1 with 14 in / 16 out analog channels
by shmoergh
Fully analog DIY-friendly modular synth

by nickajeglin
A collection of easy to solder DIY eurorack PCB's

by ojg
Microphone Pre-amplifier
by mzuelch
Analog Synth Eurorack Modules

by polykit
Polyphonic Digitally Controlled Oscillator (DCO) controlled by Raspberry Pi Pico PIO

by ijnekenamay
eurorack modular synthesizers projects using Arduino.
by UzixLS
Tiny IBM PC compatible machine with 386 CPU, integrated VGA and sound.

by 30350n
PCB panels for Mutable Instruments eurorack modules
by LOM-instruments
Elektrosluch 3+ • electromagnetic listening device

by hexagon5un
Hardware and tutorials for the Hackaday / Logic Noise Klangorium demo board
by ZakKemble
MCP2221 HID Library

by urish
Simon Game for angular2-iot

by ckflight
Frequency Modulated Continuous Wave Radar hardware and software design files with 26 dBm output power covering around 250 m.
by elmo2k3
dabpi_ctl - RPi fm/fmhd/dab receiver control interface

by loxodes
lna for use with the ez-cap digital TV USB stick
by MeeBlip
MeeBlip triode monophonic MIDI synthesizer

by thomai-d
Arduino based sequencer and software-synth

by hkzlab
Sound Card for the ISA (8bit) bus sporting Sound Blaster / Sound Blaster PRO emulation via ES688F chip, and a real Yamaha OPL3 FM Synth. It's also completely jumper configurable.
by thawney
Pedal Pi V2 by Thawney is an all new and regularly maintained Pedal-Pi by electrosmash; a lo-fi programmable guitar pedal that works with the Raspberry Pi ZERO Board. My repository contains all of the information needed to create your own board from scratch unlike Pedal Pi who only share effect code.
by freeDSP
The freeDSP CLASSIC is a digital signal processor module based on the ADAU1701 and mainly THT components.

by vonkonow
Leet AI – Wireless Synthesizer Ensemble with AI-powered composition for endless inspiration
by gyrex
1.3GHz HD Digital Video Distribution Project for FPV
by burrsettles
Work-in-progress circuit designs for DIY guitar effect pedals.

by lukaszmargielewski
Minimal EEG device with ADS1299 amplifier and NRF51822 Bluetooth LE chip

by UzixLS
ZX Spectrum soundcard for NEMOBUS/ZXBUS

by kweiwen
through hole version of mutable instruments links
by HerrPaule
Axoloti for Eurorack

by zjuyzj
A re-designed, simplified version of OPL2LPT Adlib-Compatible sound card working on printer port.

by TheSlowGrowth
Alternative panels for Mutable Instruments modules
by the-vty
BMW IBus Bluetooth audio
by Jacquot-SFE
Teensy 3.2 drum machine project.

by sparkfun
Prototyping board combined with the fundamental parts of a guitar stompbox.

by butchwarns
A linear adjustable power supply for modular synthesizers in the Eurorack format. It's easy to build and outputs more than 1A at +12V, -12V and +5V.
by russellmcc
design files for cost-conscious DCO module for eurorack format modular synthesizers

by polykit
Schematics and PCB layout for a spring reverb driver in Kosmo modular format

by kbob
A virtual analog synthesizer with lots of knobs and buttons.

by butchwarns
A simple but versatile bus board for modular synthesizers in the Eurorack format. Cheap and easy to build and with many slots for connecting modules with both 10-pin and 16-pin connectors.

by newdigate
Hardware Design: 16 channel analog control voltage shield for teensy 4.1; 8ch in / 8ch out; +-10V @ 16bits/sample;
by ohdsp
Open Hardware DSP Platform - Class D Amplifier TDA7498, TDA7492 PCB design - Open Source Hardware - Untested
by hbekel
flexible Stereo-SID-board with integrated channel mixer
by stefaweb
The Q17 is an error correction HIFI amplifier based on the QUAD405 current dumping principle.

by alberand
FUZZ Guitar pedal based on well-known BigMuffPi 🎸🎸🎸
by har-in-air
Breakout board for ESP32 WROOM32 module

by aroerina
DoroidOscillo's KiCAD pcb data

by UzixLS
PicoGUS sound card for PC/104 interface
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