本文为中小型饭店提供一个高效率、低成本点餐系统的解决方案,系统分为前台点餐系统和后台显示系统,均采用AT89S52单片机作为微控制器,LCD液晶屏和矩阵键盘共同构成人机交互界面。这两部分之间的数据传送是通过n RF24L01单片无线收发芯片来进行无线通信的。顾客通过前台点餐系统进行自助点餐,包括桌号、人数、菜名和份量等点餐信息在点餐完毕后以无线方式传送给后台显示系统,供饭店的服务员或厨师查看及操作。 This article provides a small and medium-sized hotels with a high efficiency, low-cost ordering system solutions, the system is divided into the front ordering system and backstage display system, using AT89S52 microcontroller as a microcontroller, LCD screen and matrix keyboard together constitute a human-machine user-interface. The data transfer between these two parts is through n RF24L01 single chip wireless transceiver for wireless communications. Customer ordering food through the front desk ordering system, including table number, number, name and weight of meal ordering information after ordering wirelessly transmitted to the background display system for the hotel waiter or chef to view and operate.