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Electronic Systems Answer Based on RS485 Serial Communication Bus
Author(s): 
Pages: 62-66
Year: Issue:  3
Journal: Journal of Hebei Software Institute

Keyword:  PC机单片机抢答串行通信;
Abstract: 本文描述了一种电子抢答器系统的设计和实现.这一电子抢答器系统采用以PC和AT89S51为核心,以多机通信技术特性为基本机制,串行Rs485为主要通信手段的架构.它提供了包括抢答时限控制,抢答竞争检测,实时分值更新等主要功能,并辅以相关音响和LED状态指示,最终实现了一种电子抢答器系统的简单原型.
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