Braille display
A device with a row of pins that rise and fall to show text as braille, driven by a screen reader.
A braille display is a hardware device with a line of cells, each made of small pins that rise to form braille characters. A screen reader sends it the same text it would speak, one line at a time, so a person who is deafblind or who prefers reading to listening can use a computer or phone by touch. Most displays also have keys for typing and moving around a page.
For a website, a braille display needs exactly what a screen reader needs: real text, descriptive alt text, labeled controls, and a logical reading order. Anything conveyed only by color, position, or an unlabeled icon does not reach it.
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