节点文献
广告牌大屏幕数字显示系统的研制
Development of Large Scale Screen Digital Showing System
【摘要】 设计 了一 种实 用大 屏幕 数字 显示 系统 .该 系统 采用 单片 机加 P C 机 组成 上下 位机方 式.其中单 片机用 以 管理 60 组 大型 L E D 数 码 管显 示 板, P C 机用 于 自 动 更 新显 示 数据,上 下位机之 间采用 R S232 C 标准 通讯 .该 系 统具 有 可 靠性 高、使 用方 便、价 格低 、推 广性强 等特点.
【Abstract】 A development of useful large scale screen digital showing system was made. This system uses a single controller and a PC computer as upper and low level computers respectively. The single controller inside is used to management the 60 groups large scale LED digital tubse showing board. The PC computer is used to change the showing data automatically. Communication between the upper and low level computers is conducted according to the RS 232C standard. This system has high reliability, low cost and is operated with easy. This system is used in agriculture bank of Lianing province.