【摘要】 简要介绍了LED的外形和显示数字的字形,以数字00~59自动递增循环显示为例,重点阐述了梯形图的设计思路和设计方法,并列出一些扩展设计题目。更多还原

【Abstract】 This text introducesthe appearance of LED and shape of the figure briefly,take it that automatic increasing circulation reveals in figure 00-59 as an example,explains the mentality and method of design ladder-shaped picture especially,and lists the design topic of some expansion.更多还原