利用VC编写上位机，KEIL编写下位机，上位机通过rs232串口控制单片机，读写温度数据及控制步进电机。附带以太网SOCKET功能，可以远程操作。vc和keil源码都有。-VC preparation of PC, KEIL write the next bit machine, the host computer through rs232 serial port control of MCU, read and write temperature data and control the s