LED广告信息更新系统的设计及实现

摘要

利用AT89C51微处理器,设计并实现了红外通信在LED广告信息内容更新系统中的应用,根据红外通信和LED广告牌的基本原理论述了系统的硬件设计方案和软件流程;在软件设计中,对发送与接收的通信协议作了重点的阐述.%The AT89C51 microprocessor is applied in designing the LED advertising message updating system.The hardware design scheme and software process of the system were illustrated according to the infrared communication and LED billboard principle.In the design of software process,the sending and receiving communication protocols were expressed in detail.