MiciMike's open-source drop-in PCB converts Google Home Mini into a local voice assistant (Crowdfunding) - CNX Software
… The board offers on-device wake word detection, echo cancellation, and noise suppression via two MEMS microphones, and comes pre-flashed with ESPHome for easy Home Assistant integration. The PCBA fully supports local voice processing, optional cloud LLM integration, media playback, and Snapcast. …