Description: Touch-screen interface, including personal digital assistants (PDA) applications, including large equipment is very useful information, but also in the application of instrumentation and control equipment as a universal instruction. How to get through the touch-screen information to the microprocessor so? This work may be challenging. This article will introduce Resistive Touch Screen working principle, and pointed out how best to analog input is converted to digital data available. We will discuss the set up time, noise filtering, and speed trade-offs and so on.
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touch_interfare.doc
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