A realization of des encryption keyboard, keyboard encryption standard in line w...

这是本人在网络上收集的GPRS开发资料，希望对那位朋友有用。-This is my collection of GPRS on the network development of the information to friends who want to be useful.

学习PCI单片机的非常经典的C语音入门和提高文章-learning PCI SCM very classic C voice portal and article

PCI总线开发 PCI总线开发-Development of PCI bus PCI bus PCI bus development development

1、有单，和单双两种旋转模式。2、可以选择置数、和连续。两种控制模式。3、按梯形 曲线加速和减速。 4、所有的置数，及速度，都能通过数字显示。 -one, single, and both single-and double-rotation mode. 2, we can choose a few home, and continuous. Two control mode. 3, trapezoid curve acceleration and deceleration. 4, all the home number, and speed, can be settled through figures show.

用此源代码，可以用于继电器测试仪的开发，通过继电器测试仪可以测试继电器的状态等-Use this source code, can be used to relay tester development, through the relay tester can test the status of relays, etc.

51单片机学习C源代码包含多个例子程序由实际经验丰富老师编写-51 Single-chip learning C source code contains a number of examples of the procedures experienced by the actual preparation of teachers

基于51单片机实现的M序列发生器（伪随机序列），在Keil编程环境下的源码-Based on 51 single-chip realization of M sequence generator (pseudo-random sequence), in Keil of-source programming environment

8098单片机调速系统，非常实用，用汇编写-8098 microcontroller system speed, very practical, written in assembler

PCF566是LCD液晶驱动芯片，此驱动芯片在电表行业使用比较多，上面是PCF566芯片在AVR单片机上使用的驱动子程序，可以移植到其他产品上。-PCF566 is LCD LCD driver chip, the driver chip in the meter industry more, the top chip in the AVR Singlechip PCF566 use driver subroutine, can be transferred to other products.