DIY E-Reader Folds Open Like A Book (Diptyx)
DIY E-Reader Folds Open Like A Book (Diptyx)
hackaday.com
DIY E-Reader Folds Open Like A Book
Another link: https://www.notebookcheck.net/Diptyx-E-reader-A-new-DIY-book-shaped-dual-screen-device-that-s-also-DRM-free.1146189.0.html