DATAMATH CALCULATOR MUSEUM
with the wired DSUB-25 connector. These signals carry the display
information to the Braillotron electronics.
|The electroncis of
the Braillotron with dozens of components compared
to the single-chip calculator circuit of the TI-30.
top to bottom:
|The refreshable Braille
|An array of small magnets
"fire" the pins of each Braille cell.
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© Joerg Woerner, September 29, 2002. No reprints without written permission.