本系统采用单片机AT89S52为控制核心，实现电子秤的基本控制功能。系统的硬件部分包括最小系统板，数据采集、人机交互界面三大部分-The system uses AT89S52 microcontroller as control core, to achieve the basic control functions of electronic scales. The hardware of the system consists of the minimum system board, data acquisition, man-machine interface of three parts