DATAMATH CALCULATOR MUSEUM
sensitive keyboard of the Touch & Discover
makes use of two foils.
pressing the white foil closes electrical contacts on
the flexible circuit board.
electronics of the toy is centered around the
voice synthesizer chip and an external TSP60C21/CMM21002 Speech-ROM
|The Advanced Discoveries module.
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© Joerg Woerner, December 20, 2002. No reprints without written permission.