摘要
介绍一种基于单片机的LED显示屏控制电路,该电路可实现一行任意多个文字图形符号的水平平滑移动显示,可广泛应用于工矿企业、学校、商场、店铺、公共场所等进行文字广告宣传,信息发布等。详细介绍了控制电路的设计方法及工作原理,并给出了电路仿真运行结果。该电路可级联扩展实现由任意多个16×16点阵LED模块组成的显示屏,经实际应用表明,稳定可靠,效果良好。
A kind of LED display screen control circuit based on MCU is introduced.The smooth movement display of a line of several characters,figures and symbolls can be realized with the circuit,which can be widely used in enterprise,school,market,public place for text advertisment and information dissemination.The design method and working principle of the control circuit are elaborated.The simulation results of the circuit is presented.This circuit can be expanded to the display screen composed of any number of 16×16 dot matrix LED display modules.The practical application shows the circuit is stable and reliable,and the result is good.
出处
《现代电子技术》
2010年第15期200-202,共3页
Modern Electronics Technique
