LocalDot – Open-source PCB for 3rd-gen Amazon Echo Dot enables Home Assistant support (Crowdfunding)

AAElectronics’ LocalDot is an open-source replacement mainboard that converts a 3rd-generation Amazon Echo Dot into a local voice assistant compatible with Home Assistant. The board replaces one of the two original PCBs while reusing the existing microphones, speaker, buttons, LEDs, and enclosure, so the device works without relying on Amazon’s cloud services. The board combines an ESP32-S3 for WiFi connectivity and device control with an ESP32-P4 for audio processing. It supports the original four-microphone array with beamforming, on-device wake-word detection,…

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