USB 1.1 协议详简，对做usb 开发的 可以好好看看。

this is simple c program for range using AVR microcontroller ATmega8535

本系统包括的功能主要有以下几点： （1）库存管理的各种信息的输入，包括入库、出库、还库、需求信息的输入等。 （2）库存管理的各种信息的查询、修改和维护。 （3）设备采购报表的生成。 -The main function of this system includes the following points: (1) inventory management of all kinds of information input, including inbound, outbound, but also libraries, demand information input and so on. (2) inventory management, a variety of information queries, modify and maintain. (3) The equipment purchase report generation.

这个个系统是学生管理系统。利用SDK做界面，用双向链表做排序，功能简单，但是思路清晰，有不到指出多原谅-systems is the Student Management System. Do use SDK interface, so with two-way linked list, in order of functions simple, but clear ideas that are not more forgiving

现代机器人学教材，北京邮电大学就是以此教材讲课。-modern robotics~

该系统是一个比较简单的高校人事管理系统，详细内容可以见文档说明。 PS：本人是vc＋＋的初学者，希望能通过审核，加入这个大家庭，与大家共同学习进步！

飞利浦公司LPC21x系列ARM处理器的多个应用设计文档-Philips LPC21x series ARM processor design documents multiple applications

讲述以ALTERA公司的FPGA为核心，基干SOPC技术的嵌入式攒像机的设计-described in the company Altera FPGA as the core, SOPC skeleton embedded bloggers like Machine Design

POS―MIS前台ER图设计范例，DOC文档。-POS-MIS prospects ER designs example, DOC files.

3.3v开关稳压型ldo. 比较常用的简单电源 方案-3.3v type ldo. The commonest simple power program

this the rar file which ll be useful for the students -this is the rar file which ll be useful for the students