at89c51为单片机爱好者提供一个很好的资料。

在S3C44B0上实现的键盘和LED驱动程序，其关键是使用了系统定时器来提高效率。此代码依赖于硬件的GPIO接口，但只需按照实际稍微改动即可。-S3C44B0 in achieving the keyboard and LED driver, The key is to use a timer system to improve efficiency. This code depends on the hardware GPIO interface, but only in accordance with the actual changes will be slight.

I2C IP，可以直接用，有相关规范文档说明-I2C IP, can be directly used, have the relevant normative document explains

应用背景基于8051的工程项目ADCPWM定时器中断还有更多关键技术89C51单片机，单片机，脉宽调制，timmer1，timmer2， ；

经典的dds发生器ad9851vhdl的并行通信代码，能实现6倍频和正弦波的输出。不好k我。-Dds generator ad9851vhdl classic parallel communication code, to achieve and 6 octave sine wave output. K my bad.

座机短信发送平台，LCM显示发送和接受号码显示源程序。系统头文件-jet sent SMS platform, LCM revealed sending and receiving numbers indicate the source. System header files

汇编语言开发一例，linix.-compilation of language development for example, linix.

用Matlab来实现Kalman滤波器,此种可用于卫星导航系统，还可用于其它对踊跃比较严格的场合-using Matlab to achieve Kalman filter can be used for such a satellite navigation system can be used for other more enthusiastic strict occasions! !

这是一称的项目原文件,包括T9汉字输入,打印机,24C512,已经引用到产品上-This is a project known as the original documents, including T9 inputting Chinese characters, printers, 24C512, has been applied to products

嵌入式的usb驱动程序，能顺利运行，对像学习嵌入式底层开发的朋友来说很有用，大家多交流-Embedded usb drivers, smooth running, like the bottom of the development of embedded learning is very useful friends, we more exchanges

motor speed by pwm this depon on that the pwm has t on and t off and t ther is a duty cycle that = ton / t this vary the average voltage across the motor-motor speed by pwm this depon on that the pwm has t on and t off and t ther is a duty cycle that = ton/t this vary the average voltage across the motor