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led循环彩灯电路板的设计要求有哪些？

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led循环彩灯电路板的设计要求有哪些？

浏览：57次 | 提问时间： 08-03 08:13

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3个答案

你在我安 08-03 08:14

循环彩灯控制电路的设计与制作   利用控制电路可使彩灯（例如霓虹灯）按一定的规律不断的改变状态，不仅可以获得良好的观赏效果，而且可以省电（与全部彩灯始终全亮相比）。近年来，随着人们生活水平的较大提高，人们对于物质生活的要求也在逐渐提高，不光是对各种各样的生活电器的需要，也开始在环境的幽雅方面有了更高的要求。比如日光灯已经不能满足于我们的需要，彩灯的运用已经遍布于人们的生活中，从歌舞厅到卡拉OK包房，从节日的祝贺到日常生活中的点缀。这些不紧说明了我们对生活的要求有了质的飞跃，也说明科技在现实运用中有了较大的发展。在这一设计中我们将涉及有关彩灯控制器的设计，从原理上使我们对这一设计有所了解。将其确实的与我们相联系起来。   循环彩灯的电路很多，循环方式更是五花八.

让我甘心 08-03 08:22

该是指三路LED*流点亮吧,用一个时钟发生电路(例如555)，再加一块CD4017,再加上LED驱动电路(如果一路LED只有几个LED的话，就不用另加驱动了),就可以设计出来了。           1、要有多种花型变化（至少设计4种）。           2、多种花型可以自动变换，循环往复。           3、彩灯变换的快慢节拍可以选择。           4、具有清零开关。系统设计方案           根据系统设计要求，现设计一个具有六种花型循环变化的彩灯控制器。系统设计采用自顶向下的设计方法，系统的整体组转设计原理图如下图所示，它由时序控制模块和显示控制模块两部分组成。整个系统有3个输入信号：系统时钟信号CLK，系统清零信号CLR和控制彩灯节奏快慢的选择开关SPRRD。9个输出信号LED[8..0]，分别用于模拟彩灯。

命硬 08-03 08:31

1、利用计数器、555*器等设计LED彩灯控制电路.要求有原理电路、EDA*和实际电路.2、彩灯循环控制的功能要求为：通过开关实现如下循环特性,当开关断开时8个彩灯交叉循环点亮,即在前四秒内第1、3、5、7盏灯依次,后四秒内8、6、4、2盏灯依次点亮,而在开关闭合时,实现8盏灯依次循环点亮（产生灯光追逐音乐、活跃气氛的效果）.3、参考器件：该电路可由555*器、同步4位二进制计数器74HCl61,3线-8线译码器／分配器74HC138等组成.也可由*自行选择器件.

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