基于单片机控制的电子秤设计摘要：单片机作为这个设计的首要构件，运用编程语言进行软件的设计。经过议定测量传感器信号和信号放大,然后通过 A/D 转换系统将提供一个信号提供给系统的 CPU，通过 LCD 屏显示数据,键盘输入系统输用来执行操作指令, 超量程阈值时，电子报警系统控制不妨防止损坏电子秤,达成电子秤的基本效用,易于运用,直观,测量准确,并以低廉的成本满足现代社会发展的需要。系统利用单片机 AT89S52 作为主控芯片，核心包括称重电路，显示电路，报警电路，键盘电路等变成系统电路板，从而有自动称重百般控制效用。关键词:电子称,单片机 AT89S52 ,称重传感器, A/D 转换器 Electronic design based on single chip microcomputer control Abstract ： As the primary component of this design, the microcontroller uses the programming language to design the software. After the measurement of the sensor signal and signal amplification, the A/D conversion system will provide a signal to the CPU of the system, display the data through the LCD screen, and the keyboard input system will be used to execute the operation command. When the overrange threshold is used, the electronic alarm system Control may prevent damage to the electronic scale, achieve the basic utility of the electronic scale, easy to use, intuitive, accurate measurement, and meet the needs of modern social development at a low cost.The system uses the single chip AT89S52 as the main control chip, and the core includes the weighing circuit, the display circuit, the alarm circuit, the keyboard circuit and the like to become the system circuit board, so that there is automatic control of various control effects.Keywords： electronic scale, AT89S52, load sensor , A/D converter,目 录第 1 章 绪 论........................................................41.1 电子秤的组成以及工作原理......................................41.2 设计思路...........................................
