The raspberry pi has no low power modes / suspend states, to prevent it being used as a cell phone or tablet.
The standalone eink display are also very expensive, more than a entire eink reader and there is very little choice and they cannot be harvested from a working device.
Looks like there’s a lot of work on using ESP32 for this kind of thing, even a couple open projects, but they end up bit-banging the screen into submission. not super elegant.
The raspberry pi has no low power modes / suspend states, to prevent it being used as a cell phone or tablet.
The standalone eink display are also very expensive, more than a entire eink reader and there is very little choice and they cannot be harvested from a working device.
Low power states is a good call,
Looks like there’s a lot of work on using ESP32 for this kind of thing, even a couple open projects, but they end up bit-banging the screen into submission. not super elegant.
You can get 7" eink panels for $50.