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A wireless tactile communication device for the blind using finger braille -
Tactile information transfer is a mapping problem. To simulate this mapping, we have developed a glove embedded with accelerometers, magnetometers, and a controller. When the glove operator taps Braille codes using his/her fingers, the controller maps them to ASCII codes. Conversely, when ASCII codes are sent to the operator, the controller maps them to finger-vibration-Braille codes. - Link
Learn how finger braille works - Link
Related:
Low cost handheld braille writer - Link
Braille Graffiti - Link
