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M5Stack ATOM VoiceS3R as Home Assistant voice satellite: ESPHome config, Wyoming voice pipeline, automations
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README.md ATOM VoiceS3R HA voice satellite guide 2026-09-13 23:35:27 +02:00

README.md

ATOM VoiceS3R as Home Assistant Voice Satellite

Turn an M5Stack ATOM VoiceS3R (ESP32-S3 + 8 MB PSRAM) into a compact, fully offline Home Assistant voice satellite.

What is in here:

  • esphome/atom-echos3r-voice-assistant.yaml — ESPHome config importing M5Stack's official atom-echos3r-satellite-base package (I2S audio, voice_assistant, on-device wake word). Fill in your own keys.
  • docs/build-plan.md — full step-by-step build plan (Dutch): Wyoming voice pipeline (Whisper + Piper), flashing, pairing, troubleshooting.
  • automations/s3r-rooktest.yaml — first spoken-notification automation as smoke test.

Hardware: ESP32-S3-PICO-1-N8R8, ES8311 codec, MEMS mic, NS4150B + 1 W speaker, IR transmitter. The 8 MB PSRAM enables on-device wake word (microWakeWord, "Okay Nabu") — no server needed for hotword detection.

Sources: M5Stack docs, M5Stack esphome-yaml, HA Assist.