Way back in 2012, The Guardian reviewed an eInk reader which cost a mere £8. The txtr beagle was designed to be a stripped-down and simplified eReader. As far as I can tell, it never shipped. There were a few review units sent out but I can't find any evidence of consumers getting their hands on o...
It's my mission to build one at some stage (when I've learned how). ESP32 powered and phone sized. The idea is it's supposed to feel a little like scrolling your phone while reading a book. Devices like this exist but they're prohibitively expensive for a lot of people.