I found this guide to converting an old Kindle 4 to display anything from the web super useful. https://matthealy.com/kindle I bought another 3 used kindles for $20 each after getting it to work.
> Left to its own devices, the Kindle will go to sleep after a while, and show its screensaver.
This can be disabled by entering `~ds` in the search bar of the kindle [0]
[0]: https://blog.the-ebook-reader.com/2017/12/31/heres-how-to-di...