C语言写的单片机数字时钟程序，经调试通过-C language to write the single-chip digital clock procedures, adopted by the debug

C51下编写的跑马灯程序，可以实现好几种图案的变换。-C51 prepared Marquee procedures can be achieved several transformation patterns.

电机测速源码程序，好使的已经通过测试了。非常精确-Motor Speed-source program, so that has passed the test. Very precise

步进电机的c程序例子,基于单片机的一个例子.-Stepper motor c program examples, an example based on single chip.

AT91SAM7S256开发板基础demo，已验证-AT91SAM7S256 development board based on demo, verified

在现代电子系统中，有为数众多的IC需要进行相互之间以及与外界的通信。为了提供硬件 的效率和简化电路的设计，PHILIPS开发了一种用于内部IC控制的简单的双向两线串行总线I2C-In modern electronic systems, there are a large number of IC need each other and communicate with the outside world. In order to provide the efficiency and simplify the hardware circuit design, PHILIPS developed an IC for internal control, a simple bi-directional two-wire serial bus I2C.

一些数字电压表的一些资料，用PPT就看打开看，里面有图片-Some digital voltage meter to some information, the PPT will depend on open view, there are picture

本人设计的用802051实现的键盘程序的识别代码。系统采用定时查询，防抖。如果监测到你一个代码，系统将键盘码输出。然后给我你个中断，用于提示中心机，读取键码。支持长按。-I designed keyboard with 802,051 procedures to achieve the identification code. System uses a regular query, Anti-Shake. If the monitoring to you a code, the system will output the keyboard code. And then give me interrupt you for the prompt Center machine, read the key code. Support the long press.

单片机控制的图文屏，采用12864液晶显示，并有时钟芯片提供时间。液晶显示可以显示图和文字。-SCM graphic screen, liquid crystal display used 12864, and has provided the time clock chip. LCD can display maps and text.

单片机开发的显示电路设计，里面附有C的源代码-The development of the display of single-chip circuit design, which with C source code