Braille is a code that enables blind and visually impaired people to read and write. It’s nearly 200 years old, and it’s based on a system of raised dots that are ‘read’ by fingertips.

It may be a couple of years old, but [Mario Lang]’s Braille keyboard and display with built-in Pi is still an interesting project and one that should give sighted readers who have not ...

Only about 10% of blind people around the world can read ... The other complementary project he is working on is the Braille Keyboard – a tactile input device that can be used along with smart ...