usb接口设计，此USB手写系统采用汉王公司的传感器获得笔画信息传给68HC05JB4经过整理后通过USB总线发送到PC再由自行编写的驱动程序接收最终转给汉王公司的文字识别软件识别-usb interface design, this USB pen system uses sensors to obtain Hanwang 68HC05JB4 stroke information to be collated and sent to the post-PC through the USB bu

学号输入系统，利用CAN总线的通信方式来获得数据并进行采集和保存等一系列功能。-Student id input system Use of CAN bus way of communications and to obtain data collection and preservation and so on a series of function.