Things used in this project × 1 × 1 × 1 Any powered speaker with a 3.5 mm input × 1 × 1 Official 27 W USB-C supply for the Pi × 1 openWakeWord, Vosk, Piper, edge-tts, espeak-ng Ollama with LiquidAI LFM2-700M for the offline brain FastAPI, React, TypeScript, Tailwind, shadcn/ui arduino-cli with the ESP32 board package none There is no soldering in this build. Nothing touches the GPIO header. Every part connects over USB or a 3.5 mm jack. Why I built this: Restaurants get busy in waves.