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Updated 2025-08-25 ! What is the purpose of a Home Assistant(HA)  according to Wikipedia ? Home Assistant is free and open-source software used for home automation. It serves as an integration platform and smart home hub, allowing users to control smart home devices. The software emphasizes local control and privacy and is designed to be independent of any specific Internet of Things (IoT) ecosystem.  Even for me, as someone running Apple HomeKit and Homebridge, it is a fantastic piece of software that bridges almost everything and enables highly intelligent integrations.  Since it is widely used, there is a wealth of information available. However, I couldn't find a clear "bullet list" on how to get started. This post will primarily contain links to other sources rather than writing extensive explanations myself.

Updated 2025-08-08 ! I like the Raspberry Pi(RPi), with Raspberry Pi OS Lite (no Desktop is included), headless operation, and then adding the software You need. Until now I haven't had a use case where I needed a Desktop but now was time.  Why don't use the Raspberry Pi OS with Desktop ?? In that package there is a lot of software I don't need and I really want to optimize the RPi. I think that the less software You install the happier RPi will be... 😉