MCS51外部中断1和定时器T0的应用，外部中断1连接一个按键，通过调节按键改变定时器的值，定时器输出连接一个蜂鸣器...

SIGMA-DELTA 原理 实现的用LPC900系列单片机的比较器实现16位A/D。 有详细的说明和源代码（汇编格式，但是可以在KEIL下的C中调用）。-SIGMA-DELTA principle achieved using the LPC900 Series compared to 16-bit A/D. A detailed description and the source code (the compilation format, but in the C KEIL Calling).

flow of ic design是一个很好的关于如何去设计ASIC的的教程，虽然是英文的，但是很容易看明白。是每一个想在EDA领域有作为的人都应看的教程！-flow of IC design is a good design on how the ASIC Guide, in English, but can easily understand this. Every one of the EDA to the field as a person should look at the handbook!

这是单片机MS-51双字节带符号数除法扩展子程序-This MS-51 with two-bit symbols divider expansion subroutine! !

能完成对小车的往返，转向，速度的控制，小车能在慢速区慢跑，快速区快跑-completion of the car, from steering and speed control, the car will slow, jogging and rapid sprints District

以数字形式显示时、分、秒时间，十位、个位备用一个数码管显示，分秒为一个60进制计数器，小时为一个“十二翻一”计数器 扩展功能：闹钟、仿电子钟报时、触摸报整点时数和自动报整点时数-clock

Proteus的使用教程，该教程介绍了如何用proteus进行电路模拟仿真，包含了元件的加载、原理图的制作及在keil中如何联调。该教程综合了网上的比较详细的使用说明，出现的各种版本（包括英文文档）。最后还有一些proteus仿真例子及源码供大家学习用。-Proteus use of tutorials, the tutorial describes how to use proteus for circuit simulation, contains the components of the load, schematic diagram of the production and how the FBI in keil. The synthesis of an online tutorial more detailed instructions, there" s various versions (including English documents). Finally, there are proteus simulation examples and source code available for everyone to learn from.

与epson m-150打印机通信，但是有些错误，希望高手指正一下-With epson m-150 printer communication, but some mistakes, hope you can correct me about

LM12864LDC 应用程序，包含驱动和最基本的功能实现-LM12864LDC applications, including drive and realize the most basic function

I2C及ATC2401--很有价值的哦-I2C and ATC2401 valuable Oh

最流行的mifare卡读卡器全部源代码，实现有全部功能-most popular mifare card reader all of the source code, achieving full functionality