有c++编写的显示由外界控制的图形与颜色，是嵌入式作业

LCD driver 程序，供初学者学习。-LCD driver procedures for beginners to learn.

PS/2键盘源码，可在各种单片机运行，可以实现大写和小写，利用shift键-PS/2 keyboard source code can be run in a variety of single-chip, you can achieve uppercase and lowercase, using shift key

Android a programmers guide

这个字库是从文件中提取出来的生成了点阵字模数组，可以直接使用。包括12*12,16*16,24*24,32*32等大小的字库。字库的使用方法请参照http://blog.csdn.net/l_yangliu/article/details/7261759。

ir发射子程序源码-ir launch subroutine source code

详细介绍了PCB设计的各种方法，非常经典。-Described in detail the various methods of PCB design, very classic.

程序说明：Mifare1读写模块H6152（德国ACG公司）操作函数库 5. * ASCII协议，默认设置，使用查询方式发送接收，调用前建议添加超时控制 6. * 使用语言：C51 7. * 编译工具：Keil uVision2.38a -An explanation of the procedures: Mifare1 read-write module H6152 (Germany ACG company) to operate the library 5.* ASCII protocol, the default settings, use the send to receive inquiries, call timeout before the control is proposed to add 6.* Use of language: C51 7.* Compiler tools : Keil uVision2.38a

skyeye for pxa270 ，针对270开发板的skyeye 源代码，更改了目标板的名字等-skyeye for pxa270, for the 270 development board skyeye source code, change the name of the target board, etc.

SP2339驱动--Driver for SP2339.

ARM代码，IIC，PWM，UART，GPIO，INTERRUPT、RTC，NAND等ARM裸机下运行的代码。-ARM code, IIC, PWM, UART, GPIO, INTERRUPT, RTC, NAND, etc. running under bare ARM code.