Unfortunately, that no longer seems to be the case. I just did a research and almost all projectors that came into question for me now also have smart features.
Unfortunately, that no longer seems to be the case. I just did a research and almost all projectors that came into question for me now also have smart features.
ArchWiki: Hibernate on low battery level
This approach uses udev, so you don’t have to constantly check the battery level by yourself.