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总字数：11700+
摘 要
当前在我国的很多超市及其售卖点都是人工进行售卖的，采用这种方式进行售卖，会浪费很多的人力和物力，因此设计可以进行自动售卖的机械具有一定的研究价值和研究意义；此次设计一款自动售卖机，用户可以通过4*4键盘模拟实现货物选择、货币面值选择、找零功能，货物有三种（可乐、雪碧、芬达），对应价格（4元、4元、3元），当操作错误时，自动返回选择界面，并亮2s红灯，当一个客户购买完成时，20s后自动返回货物选择界面，操作时，每一步10s确定等待时间，无操作返回货物选择界面。该设计可以实现自动售卖的功能，可以节省大量的人力和物力，所以此次设计具有一定的研究价值和实际意义。
关键词：自动售卖；矩阵键盘；货物选择；自动找零
Abstract
Currently in our country’s many supermarkets and the sale points are sold manually. Using this way to sell, will waste a lot of manpower and material resources, so the design can sell automatic machinery has a certain research value and research significance; The design of a vending machine, the user can choose goods by 4 * 4 keyboard simulation, choice of monetary value, change function, there are three kinds of goods (coke, Sprite, fanta), corresponding to the price ($4, 4 yuan, three yuan), when operating errors, automatically return to the interface of choice, and bright 2 s a red light, when a customer purchase is complete, After 20S, it automatically returns to the cargo selection interface. During operation, the waiting time is determined 10s for each step. If no operation is performed, it returns to the cargo selection interface. This design can realize the function of automatic sale and save a lot of manpower and material resources, so this design has certain research value and practical significance.
Keywords: automatic sale; Matrix keyboard; Selection of goods; Automatically change
目录
第1章 绪论
第2章 系统设计方案
第3章 硬件设计
第4章 系统程序设计
第5章 实物制作与调试过程
结 论
参考文献
致 谢