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

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 stefaweb
The Q17 is an error correction HIFI amplifier based on the QUAD405 current dumping principle.

by UzixLS
PicoGUS sound card for PC/104 interface

by DIYSynthMNL
A multi saturation module with voltage controlled wet/dry mix
by UzixLS
Yet another Dendy (Famicom) clone - 8-bit home video game console

by AShadyPCB
Silent 25 kHz H-bridge replacement for a whining 24V tunable white/orange LED shelf controller. STM32 + BLE, reverse engineered from the original, with scope and audio FFT documentation.
by UC3Music
UC3Music-e version of the CMoy pocket headphone amplifier (originally designed by Chu Moy )
by ohdsp
Open Hardware DSP Platform ADAU1966 16 Channel DAC - Open Source Hardware
by OpenDrone-hw
Open-source FPV video transmitter hardware. Part of the OpenDrone ecosystem.

by KabukiFlux
MiSTer user port MIDI output and input PCB

by schilkp
A discrete Successive Approximation ADC built from individual logic gates.
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