实现usb通信，实用好玩，关键在于程序设计清晰，易于修改加工，并且界面设计完美。-USB communication, practical and fun, the key is the program design is clear, easy to modify the processing and interface design perfect.

usb转串口下载软件，很好用，下载驱动能够用得到-Turn the usb serial download software, useful, download drivers to use

实物调试，labview通过usb转ttl电平控制AVR单片机，实现串口测试：发送hello字符返回ok！读取单片机I/0口，更改数码管显示等功能。-Physical debugging, labview through usb to TTL level control AVR microcontroller, realize serial testing: send hello character return ok! Read the microcontroller I/0 interfac

从USB串口读取GPS经纬度信息，调用百度地图显示当前位置(Read the GPS latitude and longitude information from the USB serial port, and call the Baidu map to show the current position)