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Old 02-22-2023, 02:55 PM   #1
rowe
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Posts: 152
Karma: 5000000
Join Date: Jul 2019
Device: Hibreak Pro, Mira, Paperlike Colour
Badger 2040: tiny kit ereader

I’m not suggesting this is a product people should buy to read on. It’s an 2.9" e-ink dev kit by Pimoroni I thought I’d experiment with as an extremely basic reader. I was particularly interested in the Badger card as I prefer small pocket readers, and suspected I could make one that’s smaller and lighter than what’s currently available as an out of the box ereader.

https://preview.redd.it/aoj77rwunsja...abled&310373a8

PROS
  • Good value (£49/$59 for the Badger card, charging adapter, 500mah battery and a 3D printed backplate)
  • Possibly the most comfortable ereader to hold
  • Possibly the lightest ereader at 42g
  • Fits jeans watch pocket
  • Customisable software (micropython, lots of examples provided)
  • USB C
  • Physical page turn controls
  • No layers on top of eink

CONS
  • Only txt files using example code, and it’s fussy about special characters
  • Not grayscale, so pixel font
  • Only one good pixel font preloaded on the card (I’m doubling it’s size so a pixel font designed to be larger would be better)
  • No light
  • OS battery indicator doesn’t work
  • Battery needs to be disconnected to charge it with a special adapter
  • Only 1MB of available storage - most novels in .txt format will fit, some will not (not sure how hard it is to add an sd card)

Some things I changed in the reader code to make it usable for me:
  • Font (the defaults in the ereader code weren’t designed for non-grayscale screens)
  • Removed constant UI graphics
  • Increased refresh from fast to turbo as flashing the screen between every page was too distracting and slow (still a bit slow and with some ghosting)

Once it’s setup for a book it’s pretty nice to read on, so I’ll try it as my day reader for a while.

Last edited by rowe; 02-22-2023 at 02:58 PM.
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