These tiny eInk screens are fun and it is nice to see them pop up in more places. They are a bit of a pain to work with if you want anything more than just "black and white, full flashing refresh" but with effort you can coax greyscale and partial updates out of them, despite them not officially supporting such features. I published some info here: http://dmitry.gr/?r=05.Projects&proj=29.%20eInk%20Price%20Ta...
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These tiny eInk screens are fun and it is nice to see them pop up in more places. They are a bit of a pain to work with if you want anything more than just "black and white, full flashing refresh" but with effort you can coax greyscale and partial updates out of them, despite them not officially supporting such features. I published some info here: http://dmitry.gr/?r=05.Projects&proj=29.%20eInk%20Price%20Ta...
I haven't tried them, but I have seen 3-color e-ink in about the same size as the Badger, like this one[1].
1: https://www.adafruit.com/product/3933
3 color ones are much harder to get clean greyscale out of. but yellowscale and brownscale is easy :D
What an amazing write up. You are incredibly talented and you didn’t have to go the extra step to blog your findings, but you did.
Thank you for sharing your work with the World Wide Web.
Where/how do you actually buy these Chroma displays?
eBay. They appear sometimes. Eg: https://www.ebay.com/itm/283340935671
Thanks; it's been so long since I used eBay I completely forgot to check it!