An odroid N2+ with 4G RAM and 64G EMMC is the best platform for HA controller based on cost, power and performance.
A Frigate docker container running on a separate Linux box for video processing. There is a frigate integration that run on HA that communicates with the frigate container. HA can then send alarm alerts based on objects detected by frigate. My system tells me when people/cars are detected in area’s they aren’t supposed to be. It lets me know when the mail man is at the mailbox. There’s an HA blueprint “Frigate Notifications” that handles the alerting.
Emporia Vue 3 for power monitoring, if that’s what you’re trying to do.
This picture show the three platform architecture I use.
- Odroid N2+ running HA OS
- Raspberry Pi running things I need on battery backup but can’t be ran on the HA controller. This post explains what I do with this extra box.
- A bigger server to run containers for things like frigate, voice processing, etc. that isn’t on backup power.
If you are not concerned about getting alerts during power and internet outages you can place all the above on a bigger Linux box, running HA OS as a virtual machine.