单片机点菜设计 本论文介绍一种用单片机控制的点菜系统，它是由置于各桌的点菜和置于服务台的主PC机构成的多机分布式系统。 毕业设计-SCM la carte design of this paper introduces a single-chip control of the a la carte system, which is placed on the table a la carte main desk and placed into a PC agency' s multi-ma