Multiple modules are chained together to form the display. The next step would ... The other complementary project he is working on is the Braille Keyboard – a tactile input device that can ...

Braille interfaces crop up a surprising amount in hacker projects. This refreshable Braille display and keyboard and the Braigo LEGO Braille printer are prime examples.

S and D in sequence without lifting the fingers from all three keys generates ASD on screen, the keyboard has 3-key rollover (3KRO), which is necessary for fast touch typing. Gamers and Braille ...