I was unaware of your project before and had actually done a basic "rolling my own" with a pi zero, e-ink screen, home assistant & hass-lovelace-kindle-screensa

I was unaware of your project before and had actually done a basic "rolling my own" with a pi zero, e-ink screen, home assistant & hass-lovelace-kindle-screensaver which has a similar pulling image architecture. However I can see many benefits of this, particularly running without a power connection and have ordered. Hurry up with the next batch!