

I started using HA to turn lights on and off on timer while I’m out of town, so it looks like the house is occupied.
Then, because I am a nerd, I added some environmental sensors so I could see temperature & air quality.
Eventually linked the air quality sensor to a smart thermostat, so it could turn the HVAC fan on when the air is dirty & off when clean, rather than leave it on 24/7 (like the HVAC people recommend) or on ‘circulate.’ That saved around 3.5 kWh electricity every day, or $100/year, while keeping the house dust and allergen-free.




You can start by experimenting on your current computer. Install docker, get some service that sounds interesting, and just access it on localhost. You’ll miss out on anything the service does overnight or downtime, and you won’t be able to access it from off-site, but it’s a fine way to wet your toes and see how it goes.
Docker: https://docs.docker.com/desktop/setup/install/windows-install/
Photo library: https://docs.immich.app/install/docker-compose/
Some maintainers even provide handy windows installers
Media library: https://jellyfin.org/docs/general/installation/windows