diy-audio

Make any Bluetooth speaker smart. DIY multi-room audio with Music Assistant, Home Assistant AI automations & Sendspin protocol. Docker, HA addon, Raspberry Pi, Proxmox LXC. Free & open-source.

Open-source conversion of IKEA SYMFONISK & Sonos speakers to Raspberry Pi-based audio players — GPIO scripts, pinouts, and docs for a 7-speaker whole-house setup running piCorePlayer + Lyrion Music Server

Automatically stream your turntable or CD player to AirPlay 2 speakers: HomePods, Sonos, Denon, and more. Runs on Raspberry Pi. No cloud, no subscriptions, no apps. Drop the needle; autostream does the rest.

Enceinte AirPlay 2 DIY sur ESP32-S3 — UI web moderne, DSP audio (EQ/limiteur/protection HP), effets LED ARGB, Home Assistant. Fork de rbouteiller/airplay-esp32.

XTimeComposer projects for digital audio application that features XMOS xCORE embeded processor. Target device behave as a USB audio class output device (USB DAC), or an audio media player (Micro SD card player).

An uncompromising DIY soundbar project: 4x ESP32, RP2354 hardware DSP, 4-layer custom PCB, and audiophile Dayton Audio drivers. 100% local, natively integrated into ESPHome & Home Assistant, including a custom Windows Control Center.

A minimalist discrete desktop class-A headphone amplifier

KicadProject for a digital audio device that features XMOS xCORE embeded processor. The board behave as a USB audio class output device (USB DAC), or an audio media player (Micro SD card player)

Rosso — エフェクター/真空管アンプ自作のための回路図シミュレーター (部品1920点・MNA+Newtonで実際に音が出る)

Hardware controller for moOde Audio using USB numpad

3D-printable AOM-5024 electret capsule mic body for the Neutrik NC3MXX XLR connector (parametric OpenSCAD)

High-fidelity AI Smart Speaker: An Edifier D12 retrofit powered by Raspberry Pi 5 and I2S DAC+. Features reSpeaker XVF3800 for voice capture and a modular Python core supporting Gemini/OpenAI Real-time APIs. Includes hardware-based AEC, wake-word detection, and VAD for a seamless, professional DIY voice assistant experience.

Local-first PySide6 desktop app for tracking DIY synth and electronics parts, storage locations, BOMs, and build readiness.

Connect any passive speaker to Home Assistant / Music Assistant for multi-room synchronized audio and TTS notifications, using an open-source Sonocotta LOUDER ESP32 (DAC + DSP + amp) flashed with ESPHome + SendSpin (also Snapcast, Squeezelite, AirPlay2). No cloud, no subscriptions. ~$50, under an hour, zero speaker modification.

Agent skill for designing, building & debugging analog audio circuits, guitar pedals, synths, drum machines, reverb.

FM radio tuner breakout board project. Build your own FM receiver with the Si4703 IC. Arduino-compatible.

The Sovereign Throw Node is a portable high-SPL audio system using 36V power, Class-D amplification, and analog signal conditioning. It emphasizes rigid enclosure design and controlled transient response. Released under CERN-OHL-S open hardware license.

Si4703 FM tuner development board. Arduino library and example code for building FM radio projects.

FDM 3D-printed wall bracket for small bookshelf speakers in nearfield desktop use

Bluetooth turntable -> Raspberry Pi -> your network speakers (Sonos tested). Silence-aware live audio pipeline, all on your LAN.