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Additional Pictures 

 

The position sensitive keyboard of the Touch & Discover makes use of two foils.

Firmly pressing the white foil closes electrical contacts on the flexible circuit board.

The main electronics of the toy is centered around the TSP50C42 standard 
voice synthesizer chip and an external
TSP60C21/CMM21002 Speech-ROM

The Advanced Discoveries module.

The TSP60C21/CMM21004 Speech-ROM.


If you have additions to the above article please email: joerg@datamath.org.

Joerg Woerner, December 20, 2002. No reprints without written permission.