串口通信，实现数据的接收和发送功能，可通过串口调试工具进行调试，显示试验结果-Serial communications, data receive and transmit functions are available via the serial port debugging tool for debugging, test results show

MFC利用TeeChart控件进行完美绘图。 本项目主要测试车灯的开关按键力。 通过串口向压力传感器发送命令， 然后获取返回的数据进行绘图。 是与下位机PLC通信。-MFC controls using TeeChart perfect drawing. The project is mainly to test the lights switch button force. Send commands to the pressure sensor through the seri