模块化LED点阵广告屏实训装置设计

Design of modular LED dot matrix advertising screen training device

LED点阵广告屏作为信息的发布显示工具,在各种公共场所得到了广泛应用。文章介绍了一种利用嵌入式单片机作为控制核心的LED点阵广告屏实训装置的设计,旨在提升高职学生掌握点阵屏的设计与组装能力。该装置为可上下左右级联的16×16 LED点阵模组,将移位寄存器74HC595作为行列驱动模块,可实现积木式扩展连接。该装置在实践教学环节中取得了较好的应用效果。

LED dot matrix advertising screen,as a tool for information release and display,has been widely used in various public places.In order to make higher vocational students master the assembly and design of the dot matrix screen,this paper introduces the design of an LED dot matrix advertising screen training device using the embedded microcontroller as the control core.The device is a 16×16 LED dot-matrix module that can be cascaded up,down,left and right.The shift register 74HC595 is used as the row and column drive module,which can realize the blocktype expansion connection.The device has achieved good use effect.