iOS actually has a multi-touch based braille keyboard built-in. So you can have a rather similar behaviour, however, without extra hardware, with native iOS. In Settings > Accessiblity > VoiceOver, add "Braille keyboard" to the rotor options, and then use two fingers in a circular motion until you hear "Braille input". You can now hold the screen away from you in landscape mode, and use three fingers from each hand t…
I found this mapping between Braille symbols and the alphabet[0], but how does the buttons in the Braille keyboard map to these symbols? Trying to understand as it could be cool to type without having to look at the screen.
Sadly it seems you can’t turn individual accessibility features on in iOS