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.

Automatically play vinyl and CDs through HomePod, Apple TV, Sonos and other AirPlay-compatible speakers (including the latest HomePod Software and tvOS releases). See what’s playing and control it from iPhone or autostream dial. Runs on Raspberry Pi.

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

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.

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.

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)

Network Hi-Fi player: ESP32-S3 + ES9038Q2M DAC streaming FLAC from your home server

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.

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)

Інтернет радіо на базі ЦАП PCM5102A

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

Hardware controller for moOde Audio using USB numpad

Pico2向け高音質USB-DDC（24bit/96kHz・32bit I²S・Pico Audio Pack用にピンアサインと音質カスタマイズしています）。 High-quality USB-DDC for Pico2 (24bit/96kHz, 32bit I²S, PicoAudioPack compatible).

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

Raspberry Pi Pico 2 (RP2350) と Pico Display Pack 2.0 / Pico Audio Pack を用いた、UAC2 32bit対応・ノンオーバーサンプリング仕様のUSB-DDCファームウェア。UAC2 32bit-compliant, non-oversampling USB-DDC firmware for Raspberry Pi Pico 2 (RP2350) using Pico Display Pack 2.0 and Pico Audio Pack.

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

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