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Distinctive
Editorial Submission
E-Field
Serial Touch Pad
The
MC33794-based E-Field Serial Touch Pad is designed around
the MC68HC908JK3 microcontroller. The touch pad connects
through a PC’s serial port using the same protocol used
by serial mice. Commands are performed by moving your
fingertip around the system’s pads, which are aluminum.
Clicking is performed by gently tapping the middle pad.
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