Here is a walkthrough of an audible notification system, and how this YouTuber built JARVIS using Home Assistant.
Now, you will hear this multiple times, but this isn’t actually JARVIS in the Artificial Intelligence sense, but simply using JARVIS as the inspiration for my audible notifications. This system is heavy on the YAML and Jinja due to the complexity of the decision logic, but below you will find links to my GitHub config where you can copy and paste as you like.
