The paper introduces a kind of practical system destem design of led dot matrix display screen 摘要介绍一种实用的led点阵显示屏系统设计。
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It uses pc to transform chinese character interior code in the sentence to dot matrix display data and send them to led display screen through serial device 利用pc机将汉字语句汉字内码转换为点阵显示数据,通过串行口送给显示屏。