November 2012
Intermediate to advanced
496 pages
12h 2m
English
Content preview from Using LEDs, LCDs and GLCDs in Microcontroller Projects
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Exercises
7.1 Give some application areas of GLCDs.
7.2 Draw a circuit diagram to show the connection between a GLCD and a microcontroller. How many I/O pins are required to interface to a GLCD?
7.3 Explain operation of the KS0108 type GLCDs. How many pixels are there? How are the pixels organised?
7.4 Draw a diagram to show the x and y axes of the standard 128 × 64 pixel GLCD. Mark the (0,0) point on your diagram.
7.5 Show how the GLCD library functions can be used to draw a rectangle.
7.6 Show how the GLCD library functions can be used to draw a circle.
7.7 Explain how a bitmap image that you have created can be loaded and displayed on a GLCD.
7.8 Explain how many types of touch screens are available. What are the advantages and disadvantages of each type?
7.9 Explain how the co-ordinates of a point touched on the screen can be read by a microcontroller.
7.10 What are the advantages and disadvantages of resistive and capacitive touch screens?
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