The world's first blind smartphone with braille created

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 In India, the world's first smartphone for people with impaired or visually impaired has appeared on sale. The device is distinguished by its “screen”, which is a grid of contacts that forms the braille.
The smartphone implements Shape Memory Alloy technology, which is based on the shape memory effect (the phenomenon of a return to its original shape when heated, which is observed in some materials after preliminary deformation).
The screen of the smartphone, if it can be called a screen, includes a grid of contacts located from top to bottom in accordance with the requirements. This grid is a Braille alphabet, and various contacts are responsible for certain letters or characters.
The screen is a kind of translator and can translate plain text containing the letters familiar to everyone into Braille and vice versa.

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