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The blind of the rings / Counting device of blind

The blind of the rings

Although science and technology is becoming more and
more developed, but often overlooked for special groups
of servicesThe ring is designed for the blind to count money
.Through the combination of metal and rubber to make the
product more beautiful and easier to carry.Rubber shell can
adjust size,conforms to man-machine engineeringThe ring
worn on the thumb of the blind. flipping a wad of bills with ring
The above laser sensor to count money.At the top of the Braille
display to display the result

University

Nanchang University

Nanchang University
Nanchang, China