A pulse 8 would actually be very good with this. You can turn the computer on with a USB remote and the pulse 8 would send a signal to turn in the TV. From that point on, everything else would be controlled with the USB remote talking directly to the computer.

Also the website says CEC will work, so maybe they have a more elegant solution already

gOS is actually pretty good with bank apps

https://privsec.dev/posts/android/banking-applications-compatibility-with-grapheneos/

For anyone else that happens upon this thread, don’t bother buying anything other that this if you want to go with HA: https://opensprinkler.com/

The only reason to use any other system is if you already have it installed and don’t want to get new hardware