USB_2.0.pdf

基于430的DC_DC变化，采用PID控制，调节PWM的输出占公比，从而反馈调节输出电压(Based on 430 DC_DC change, using PID control, adjust the PWM output accounted common ratio, thus regulating the output voltage feedback)

基于C语言编写一个程序，实现将存放在文件中的学号、姓名、电话等信息读出并显示出来。(Write a program based on the C language, the implementation will be stored in a file number, name, telephone and other information is read out and displayed.)

简单的流水灯程序，另外包括按键控制led灯程序，适合初学者(Simple water lights, led lights additionally includes key control procedures, suitable for beginners)

基于51单片机的dac0832设计，含proteus仿真，用keilC编译的，代码详细，含有注释，望点个赞，谢谢，头文件全，方便移植。(Dac0832 51 microcontroller-based design, with proteus simulation, using keilC compiled code in detail, contains notes, looking like a point, thank you, header files full, easy to transplant.)

说明：  8*8的矩阵键盘程序，是很好的代码喔。键盘程序采用的是查询的方式来写的喔。(8* 8 matrix keyboard procedures, is a very good code. The keyboard is used for writing.)

飞思卡尔单片机锁相环程序，详细说明了锁相环的配置步骤以及计算方法(Freescale MCU PLL procedures, a detailed description of the PLL configuration steps and calculation methods)

Central Empire dedicated source

MSP430f135的I2c源代码，一个华为牛人写的，编程风格非常好，值得学习(I2c the MSP430f135 source code, a Huawei cattle were written a very good programming style, it is worth learning)

无线通讯nrf905，很适合初学者来学习，里边包括了对射频寄存器的设置什么的(Wireless communication nrf905, it is suitable for beginners to learn, inside contains the settings for RF registers what)

对舵机的调试功能，通过多个舵机完成整个机器人的拼凑，进而完成机器人跳舞的任务。(The debugging function of the steering gear completes the assembly of the whole robot through multiple steering gear, and then completes the task of robot dancing.)