this post was submitted on 14 Jul 2026
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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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[–] ShinkanTrain@lemmy.ml 108 points 2 months ago (2 children)

Why buttonless? I like buttons.

Heck, a scroll wheel would be a killer feature

[–] Rai@lemmy.dbzer0.com 41 points 2 months ago (2 children)

Buttons and scroll wheels cost more than touchscreens at this point… 90s me wanted touchscreens on everything, and me since maybe 2015? has been firmly “bring back buttons”

…whenever they started replacing useful things that SHOILD be buttons always (car) with touch things. Absolutely not bueno.

[–] yucandu@lemmy.world 9 points 2 months ago (2 children)

Buttons and scroll wheels cost more than touchscreens at this point…

It's not that they cost MORE, they can be sub-cent per unit if you buy enough of them:

https://www.digikey.ca/en/products/filter/tactile-switches/197?s=N4IgbCBcoJYCZRAWgIwAYUgDQgA4BdFsR8BPXAU0QEMBnAYxAF8mg

[–] Rai@lemmy.dbzer0.com 20 points 2 months ago

Of course they cost MORE than putting all their functions on a tiny touch screen that’s already gonna be on the device!

Beyond manufacturing the device to be able to use separate physical moving pieces, you’ve also got costs supporting pieces that break in warranty, units damaged in shipping due to moving parts being tossed around, etc.

[–] frongt@lemmy.zip 5 points 2 months ago

For just the part yes. Board design, programming, and manufacture costs increase with more components.

[–] ExLisper@lemmy.curiana.net 2 points 2 months ago* (last edited 2 months ago)

The cheapest Pockeboot model always had buttons (and touch screen). The more expensive ones are always touch screen only. I never got it. Buttons are a nice feature, why remove them in higher end models?

[–] PalmTreeIsBestTree@lemmy.world 1 points 2 months ago (1 children)

My Kobo only has a power button and it’s perfect for my needs.

[–] oats@piefed.zip 10 points 2 months ago (1 children)

My kobo has a power button, and two page turn buttons and its perfect for my needs.

Seriously, I have 4 (5 if you count the ancient kindle DX) ereaders, and the kobo is the only one I use. Will never again buy one without buttons