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Diseño e implementación de un trazador y comparador de curvas de componentes de dos tarjetas electrónicas similares en forma simultánea usando una pantalla gráfica glcd

Abstract:

This project consists in the design and implementation of an electronic card tester, in order to detect any failure in its basic components. This system performs an element by element check between two cards, the characteristic curve of any element is plotted on a graphic LCD (GLCD) and thus the defective item can be detected. A PIC 18F4520 programmed in PIC C is used for the interaction between the programmed digital and analog electronics; this interaction is done with the help of an analog-to-digital converter module within the microcontroller. It uses a touch screen panel, which allows the user to select the channel that they want to observe by pressing on the graphic LCD.