是关于PIC在proteus中的应用，还有使用方法-Proteus is about the PIC in the application, as well as the use of

实验五_PIC单片机与PC机的RS232串口通信_C,附程序流程图和proteus仿真图，利用串口助手调试通过。-Five _PIC experimental PC-MCU and RS232 serial communication _C, attached flowchart and proteus simulation chart of debugging through the serial port aide.