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Design of LED Dot-matrix Display System Based on MCU

Shao Si-fei

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Abstract

LED dot-matrix display screen as a new kind of display device is composed of multiple independent LEDs.In order to explain the principle of LED dot matrix display,a low-cost Chinese character display system was designed and produced by taking MCU as a control core.This display system includes specific hardware design and software design.The shutter,up shift,left shift and various display forms of any Chinese characters can be realized by any individual key.This LED display was widely used in airports,shopping malls,hospitals and other public places in text advertisment,information dissemination,etc.which obtained good results by simulation and physical test.Furthermore,it has a lot of excellences just as small size,simple hardware circuit,easy to implement and so on.

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What this paper is about

LED dot-matrix display screen as a new kind of display device is composed of multiple independent LEDs.In order to explain the principle of LED dot matrix display,a low-cost Chinese character display system was designed and produced by taking MCU as a control core.This display system includes specific hardware design and software design.The shutter,up shift,left shift and various display forms of any Chinese characters can be realized by any individual key.This LED display was widely used in airports,shopping malls,hospitals and other public places in text advertisment,information dissemination,etc.which obtained good results by simulation and physical test.Furthermore,it has a lot of excellences just as small size,simple hardware circuit,easy to implement and so on.

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Available abstract

LED dot-matrix display screen as a new kind of display device is composed of multiple independent LEDs.In order to explain the principle of LED dot matrix display,a low-cost Chinese character display system was designed and produced by taking MCU as a control core.This display system includes specific hardware design and software design.The shutter,up shift,left shift and various display forms of any Chinese characters can be realized by any individual key.This LED display was widely used in airports,shopping malls,hospitals and other public places in text advertisment,information dissemination,etc.which obtained good results by simulation and physical test.Furthermore,it has a lot of excellences just as small size,simple hardware circuit,easy to implement and so on.

Key concepts: LED display, Dot matrix, Microcontroller, Computer hardware, Computer science, Display device, Character (mathematics), Shutter

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