毕业论文----基于51单片机的LED滚动显示系统

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1、 基于基于 5151 单片机的单片机的 LEDLED 滚动显示系统滚动显示系统 摘摘 要要 LED 显示屏是一种通过控制半导体发光的显示方式，它是由很多个红色的发 光二极管组成，靠灯的亮灭来显示字符。LED 显示屏分为数码显示屏、图文显示 屏和视频显示频。均由 LED 矩阵块组成。目前由于 LED 显示屏造价昂贵，主要应 用于比较较高档的场所，主要集中在城市的繁华场所。在举办的 2010 年上海世 博会未来各项大项运动赛事等新增需求，都将促使 LED 显示屏的大规模发展。 此外，已架设的大型 LED 显示屏幕梅 10 年将历经一次换机潮，随着人们生活水 平的提高，户外 LED 显示屏将逐渐应用

2、于各个行业。 本设计主要实现 16*16LED 显示屏对文字及简单图像的显示，扩展功能有实 时钟及实时温度采集，并通过 LCD1602 及 LED 点阵屏静态及滚动显示。设计分为 三大步，分别是软件设计，硬件仿真及实物制作，兼顾理论性及实用性，充分体 现了理论与实践相结合，设计过程中不仅学到了很多有用的知识，也增长了自己 的专业技能，提高了自己的动手能力。 关键字：关键字： LED 显示屏 发光二极管 半导体 毕业论文设计 Abstract LED display is the display mode controlling by the semiconductor light emitti

3、ng diode, it probably looks like that composition by a number of led is usually a red light-emitting diodes which show character by the LED on and off , LED display is divided into Digital display, Graphic display and Video display, which is compositioned by LED matrix block, As the cost of LED disp

4、lay expensive currently, mainly used in relatively high places, concentrated in the cities busting place, being held in the Shanghai Word Expo 2010, Future large-scale sporting events and other additional requirements will promote large-scale development of LED display, In addition, the original large-scale LED display screen will be updating once per 10 years, with the improvement of peoples living standard, outdoor LED display will gradually be used in various industries. The main achi