[fenykep]

The article also mentions using jailbroken kindles which I assume should be the cheapest way to get a decent sized epaper screen with builtin connectivity.

edit: https://github.com/sibbl/hass-lovelace-kindle-screensaver

[scary-size]

Yep, it’s super cheap. I wrote about mine here:: https://franz.hamburg/writing/kindling-e-ink-dashboard.html