Funnily you're describing https://usetrmnl.com/ which also happens to be pretty hacker friendly.
we (TRMNL) have a monitor demo, and we also bought a few of the new Modos project, rooting for that creator.
see our demo here: https://www.youtube.com/shorts/qs7JeK11Cxc
Until now, I had resisted the urge to order one
But now that they have a bigger version, with controls and a clear case...
I'm not sure that I should be thanking you for making me spend money!