this post was submitted on 14 Jul 2026
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A $150 Buttonless, Open Hardware Answer to Kindle is being crowdfunded by Open Book Touch (itsfoss.com)
submitted 1 day ago by FirmDistribution@lemmy.world to c/technology@lemmy.world
120 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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[–] foggenbooty@lemmy.world 5 points 22 hours ago (1 children)

But XTEINK is actively working to combat the flashing of open source software. It seems they had a spike in sales and interest due to their affordable hardware, but if they continue to lock aftermaket software out tech savvy people will be looking for different options.

[–] 9cpluss@lemmy.world 1 points 18 hours ago (1 children)

Do you have a link to an article or something about that?

[–] foggenbooty@lemmy.world 1 points 14 hours ago (1 children)

I was interested in them but all the listings on AliExpress expressly said they didn't support custom firmware. I started looking into it and it seems to be something theu did after they got popular.

Here's some info, but a lot of it is scattered around online communities: https://pocketink.io/blog/xteink-locked-or-unlocked-buying-guide/

[–] 9cpluss@lemmy.world 1 points 7 hours ago* (last edited 7 hours ago)

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