2×2 VGA视频分配器图纸，Protel 99生产。

C8051FXXX单片机串口初始化程序，采用c语言编写-Single-chip serial C8051FXXX initialization procedure for the preparation of c language

示例程序下载关于单片机接上-download examples of SCM connected

AT91RM9200-DK的cf卡读写程序-AT91RM9200-DK

可以用单片机做一个卡-SCM can be used to do a card

DS1302制作的带农历和节日提醒功能的万年历。原理图+keil源码-DS1302 produced with the Chinese and the calendar function to remind holiday. schematic+ Keil source

实时时钟芯片DS1302的C51程序列子-real-time clock chip DS1302 the C51 procedures Liezi

8051F040的EEPROM程序，中断实现功能，可以移植到项目中。-8051F040 the EEPROM procedures, interruption of the realization of functions, can be transferred to the project.

点亮LED灯，C语言编写，可以在keil下运行。实现第一个小灯的不停闪烁，初学着可以好好参考。-LED lights lit, C language, you can run keil. Achieve the first of a small non-stop flashing lights, can make reference to the beginner.

ARM LPC21XX 产生蜂鸣测试仿真,已经完好,可直接start.-ARM LPC21XX generate beep test

基于vriloge的数字钟具有调时、分、秒和定时报警功能，开发环境是MAXPUII的开发环境，实际检验是完全符合-Vriloge based on the digital clock has adjusted hours, minutes, seconds and time alarm function, the development environment is MAXPUII development environment, the actual test is fully consistent with the