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

Play your vinyl and CD collection on HomePod and other AirPlay speakers with autostream. Use standalone or embed into your turntable.

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).

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)

A minimalist discrete desktop class-A headphone amplifier

Hardware controller for moOde Audio using USB numpad

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.

Convert IKEA SYMFONISK and Sonos speakers into Raspberry Pi audio players to bypass vendor limits and retain original hardware use.

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

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

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.

Project files for an Overnight Sensations DIY speaker build.