利用msp430单片机的一般I/O管脚实现键盘输入。

it is a timer that i found from some site

7920驱动程序，采用51 模拟时序方式，8 位并行方式和串行方式。-7920 driver, means the use of 51 analog timing, 8-bit parallel mode and serial mode.

韦根感应IC卡读写器PCB图,成熟产品,已经用于销售,单片机采用STC89C58RD+,读写模块为RC5-Wiegand sensor IC card reader PCB map, mature product that has been used for sales, single-chip microcomputer used STC89C58RD+, Read and write modules for RC5

支配排序遗传算法II（NSGA-II）为二进制方法

2006年10月08日实用安全工具包是一个非常强大实用 的工具集合，它方便解决您操作系统时遇到的问题。 具体内容请查看工具包内的“工具包说明”。-October 8, 2006 practical security tool kit is a very powerful and practical tool set, It convenience solve your operating system encountered problems. Please refer to specific content within the tool kit of "tool kits note."

产品管理系统。本设计的要求是实现入库、库存和出库统一管理，帮助企业实现新产品信息化管理。-product management system. This requirement is designed to achieve storage, inventory, and from the unified management, and help enterprises achieve new product information management.

PDIUSBD12pdf-datasheet.rar 固件编程指南-PDIUSBD12pdf- datasheet.rar firmware Programming Guide

用vb实现快速傅立叶变换，运行速度达到最优化，可以c代码媲美，因此可以实现实时傅立叶变换。实现模块化，直接作为一个模块调用即可，非常方便！-with vb fast Fourier transform, speed of operation to achieve the most optimized code can be comparable to c, it can achieve real-time Fourier transform. To achieve modular, as a direct call modules can be very convenient!

一款 很好的Usb 音频ic 很适合用于pc周边音频设备的开发-Usb Audio ic is very suitable for pc surrounding the development of audio equipment

这是DS12887的源程序-This is the source of DS12887