PINE64 were trying with the PineNote[0], sort of. It's quite a large device (10.3"), in the same size class as reMarkable/Boox devices. It's cost-competitive with those products, but it's way too big and too expensive to compare to traditional ~7" e-readers.
replySeed studio sells some. reTerminal is the more polished one, it has a metal case, nice buttons, and a 2Ah battery. The Xiao screen is more diy, but also has more potential options
replyI used a reTerminal as a bedside weather station UI recently, works rather nice
Not exactly reading devices, yes, but they are open hardware
TRMNL are kinda.
replyhttps://github.com/iandchasse/de-link
replySomeone is working on a more DIY device that can run this firmware.
What would that look like? A first thought would be a controller with storage that would 'dock' into various screen sizes and case molds?
replyWhat I mean is like the framework laptop - an open device that you can modify and buy parts for, but is actually well built.
replySomeone already said it, but what about TRMNL?
https://trmnl.com/
replyI'd buy that in a second.
replysupernote's tablets are designed to have replaceable motherboards/batteries although it's still to be seen whether they will actually be able to support that long-term.
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