This is a Braille display device which comprises: a plurality of cavities; and circuitry to individually excite the plurality of cavities. The plurality of cavities contain a positive and a negative e
"The text below describes how I went about making a real cheap glove interface, that still achieves considerable accuracy while improving the comfortability. Essentially, I purchased a bunch of PowerGloves (PG\'s), took out the flex sensors, inserted them in sheaths on a lycra glove and suit, hooked them up with a multi-channel serial A/D converter and had a host computer sequentially query the serial interface for the value of each sensor in real-time. These values then were used to control various electronic musical devices."