Convert text to braille dot patterns using Unicode braille encoding (U+2800-U+28FF). Each character is composed of 8 dots in a 2-column, 4-row grid. Supports bidirectional conversion between text and braille.
Unicode Braille is a character encoding in the Unicode standard (U+2800-U+28FF), with 256 characters covering all 8-dot braille combinations.
Currently only Grade 1 English braille is supported. Other languages require more complex conversion rules.