Look into braille peripherals, this is roughly how they work. A relay-sized solenoid pushes a selected pin up so the user can read the letter by feel. Obnoxiou

Look into braille peripherals, this is roughly how they work. A relay-sized solenoid pushes a selected pin up so the user can read the letter by feel. Obnoxiously overpriced, just like screen reader software, but there are Cots products that do what you are looking for.