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Wrist Braille Display

2014
$20
430 million people worldwide with nerve deafness, left out of conversations without interpreters or captions
Android → Live Speech-to-Text → Bluetooth → Arduino → Servo Motors → Wrist

Arduino, breadboard, wires, and servo motors for the braille display — 2014
Best picture I could take with my desktop's webcam

Wrist-mounted braille display prototype with servo motors — 2024
Random picture I took while moving