vb开发的通过串口与计数秤进行通信的程序，可以自动采集和手动采集数据，也可向下发命令控制计数秤-vb development of scale through the serial port to communicate with the counting procedures can be automatically collected and manually collected data can also be counting down command-control-fat scale

用VB编的界面程序：用51单片机控制AD，测量室温，并用串口上传到上位机，绘出温度曲线图。-Interface program with VB code: MCU with 51 AD, measurements at room temperature, and uploaded to the PC with a serial port, draw the temperature profile.