The Advanced Guide to synthetic data
https://stephencqdd.bloggersdelight.dk/2024/09/16/watch-out-how-aicustom-data-is-taking-over-and-what-to-do-about-it/
If additional care is needed on your sign, exterior energy can also be useful for your HDMI repeater. That is a good suggestion because a lot of HDMI sources just dont output the power necessary to do a good work