针对传统电子秤,记录、统计称重结果需耗费较多人力,并容易出现错记漏记等现象,设计一款新型智能电子秤系统.该电子秤采用STC89C52微处理器为系统控制核心,可显示物品名称、重量、单价、总价等信息,并基于App Inventor 2平台开发出相应的电子秤手机APP软件,电子秤通过蓝牙发送数据至手机APP,由手机保存数据.手机APP软件具备各种统计功能,并能够将统计结果导出Excel表格,便于电脑存储、分析.该系统性能稳定、可靠,成本低廉,手机APP软件方便实用,可广泛应用于现代商业市场中.%Since statistical record of weighting result of traditional electronic scales consumes more manpower,and is prone to the incorrect and omission phenomena,a new type of intelligent electronic scale system is designed in this paper.The STC89C52 microprocessor is used as the control core in the electronic scale system,which can display the name of goods,weight,unit price,total price and other information.The corresponding electronic scale mobile phone APP software was developed based on the App Inventor2 platform.The electronic scale sends data to mobile phone APP through Bluetooth,and save the data in the phone.The mobile APP software possesses a variety of statistical functions,and can export the statistical results to Excel form for storage and analysis of the computer.The system has the advantages of stable performance,reliability,low cost.The mobile APP software is convenient and practical.It can be widely used in modern commercial markets.
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