this post was submitted on 14 Jul 2026
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659
A $150 Buttonless, Open Hardware Answer to Kindle is being crowdfunded by Open Book Touch (itsfoss.com)
submitted 1 week ago by FirmDistribution@lemmy.world to c/technology@lemmy.world
107 comments fedilink hide all child comments
 

cross-posted from: https://lemmy.world/post/49429587

URL for the crowdfunding: https://www.crowdsupply.com/oddly-specific-objects/open-book-touch

Specs:

  • Display: 4.26" e-paper touchscreen, 480 × 800 px, warm + cool frontlight
  • Processor: ESP32-S3 dual-core, Wi-Fi + Bluetooth LE
  • Memory: 16 MB flash, 8 MB PSRAM
  • Formats: EPUB and plain text, no DRM
  • Storage: microSD card slot
  • Interface: USB-C with integrated LiPo charging
  • Dimension: 78 × 120 × 10 mm, about 85 g
  • Open source: MIT-licensed firmware, open hardware (to be released at shipping)

It also has a replaceable 800 mAh battery, I found it cool :)

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[–] 9cpluss@lemmy.world 1 points 6 days ago* (last edited 6 days ago) (1 children)

Thanks! I bought one months ago and flashed crosspoint at the time.

But nice that you can still flash them via SD card even if they are USB locked. I guess it would be difficult to fully lock them given they just run an ESP32

[–] foggenbooty@lemmy.world 2 points 4 days ago

Update: I just saw that CrossPoint has has an affiliate link, and that if you buy the reader direct from the manufacture you can still get unlocked USB devices. It's only on the international stores like AliExpress that you may get a crippled version. https://github.com/crosspoint-reader/crosspoint-reader