直接烧好程序，拔掉J15的跳线帽，否则免启动模块会干扰。然后在电脑上打开本程序文件夹串口调试助手，设置波特率为1200，如果使用USB转串口，则要选择相应的串口端口，就可以看到结果的了；如果用串口的话，要连接好串口线，并选择COM1。-Direct burn a good program, unplug the J15 jumper cap otherwise would interfere with free startup module. Then turn on the computer the program folder serial debugging assistant, set the baud rate of 1200, if you use USB to serial, will have to select the appropriate serial port, you can see the results of the　If the serial port, then, to connect serial cable, and select COM1.