I would love the child of a Surfacebook with a Framework laptop; or A bare keyboard attached to a screen, that I could plug my phone (possibly running Phosh) and use it as a hardware for a laptop experience
I would love the child of a Surfacebook with a Framework laptop; or A bare keyboard attached to a screen, that I could plug my phone (possibly running Phosh) and use it as a hardware for a laptop experience
Well yes, any E-Ink device should be able to open a PDF, but PadMu gives you the ability to sync two devices so you can place them next to each other and display two pages at once. I think it has additional features specifically for working with sheet music, like an infra-red sensor for turning pages by waving your hands in front of the device. I know the Gvido has that (Edit: But the PadMu actually doesn't; it's all software enhancements and the dual display mode).
This review showcases the side-by-side display (double mode) feature at around 4:20. Can Onyx devices do that? I haven't checked, but my guess is no.
Here is an alternative Piped link(s):
This review
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If the main difference is the dual screen thing then it's not much use for me. My main use case with sheet music is writing it, not reading for performance - so I'd actually prefer to work on just one screen at a time.