Looking for a screen that can be used as a digital sign - to hang on the wall in a school and show announcements.
I need one that can work in the vertical/portrait mode and is about 50".
Probably similar to the display screens they have in some shul lobbies or the advertising ones in stores - how do those work / receive information?
Does anyone have any recommendations or experience with this?
As aygart said, you can get any big screen and attach to a mini computer (computer stick etc.)
On the computer you run something like
https://digitalsignage.com/ (there are a lot, this one is free and pretty good) which you can setup nicely and control with your account remotely.
If you want a hands-off solution setup and managed/maintained by someone else then something like beezeesystems.com can be for you (but will probably cost more.)