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There's a project called "room-assistant", however you'd need to have multiple Raspberry Pis running it in various locations... https://www.room-assistant.io/

• frado 5y ago
  I’ve just recently found out about ESPrensense [1], which does this, but running on ESP32 microcontrollers, so it should be much less resource intensive. [1]: https://espresense.com/ https://espresense.com/