ESPHome room sensor node built on the LilyGo T7-S3 — CO2, temperature, humidity, OLED display, and local Hey Jarvis voice assistant via Home Assistant.
iot smart-home home-assistant oled-display homelab voice-assistant i2s-audio co2-sensor max98357a lilygo ssd1309 esphome local-first room-sensor inmp441 wake-word scd40 esp32s3 micro-wake-word hey-jarvis
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Updated
Jun 18, 2026