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by whacked_new 1047 days ago
I'm sighted, but bought a used braille display for slightly less than $200 to learn braille for fun. It's pretty impressive to actuate hundreds of tiny dots at a time, for every sentence you need to read. Every once in a while one dot doesn't drop back when the display is refreshed, and since you're swiping your fingers across the display, feeling (or maybe I was seeing?) that one oddly placed dot is disorienting.

Maybe that feeling goes away with fluency, which I can't speak to, but I have a lot of respect for the engineering that goes into these displays. Granted, I'm not a hardware person.