Both of these require rendering the content via an HTTP endpoint and both of these currently only work together with the device backend.
> I can buy an ESP32 e-ink screen and run esphome or any of several other open source projects and put a piece of wood on the front of it, too.
Yes, you can! And if you do this, you have absolutely no need to use my e-paper smart screen.
(Though, for the record, it's not just a piece of wood in front, it's a CNC'd frame)
Some custom content just for yourself, or an app that others can install as well?