Re: Releasing the TV before shutting down ?

Joerg,

Yes, it is possible for a Raspberry Pi to send a signal to a TV to
switch the HDMI input before shutting down. This can be done using CEC
(Consumer Electronics Control), a feature available through HDMI that
allows devices to communicate with each other and exchange basic control
commands.

[snip]

Thank you for that extensive answer.  Andy Burns also mentioned that
"cec-client" program, but having a bit more info about it is always good.

By the way, I'm curious :

I just asked ChatGPT if it knew an answer,

was that the first answer it gave, or did you have to hit "refresh" a couple
of times ?

Regards,
Rudy Wieser