此程序是利用51单片机，控制蜂鸣器接口高低电平，让其发出歌声。...

单片机红宝书 适合初级学者 有很多实例和方法 值得一看-SCM Red Book for junior scholars, there are many examples and methods worth a visit

一些关于单片机的芯片的功能介绍，具体主要是介绍AVR系列的特点及编程-Some information about the function of single-chip chip introduction, the specific AVR series mainly introduce the characteristics and programming

这里有武汉恒科 51 单片机仿真器附带的约 80 个 ASM 示例代码,初学 51 单片机汇编的可以有各种示例.-There, Wuhan Hengke 51 MCU emulator with about 80 ASM sample code, beginner 51 microcontroller There are various examples that can be compiled.

430成都技术培训会代码，使用IAR-4.10打开。-430 technical training in Chengdu will be the code, the use of IAR-4.10 open.

I2C总线的一个实例,有原理图的设计,和程序的设计,可直接用在项目开发中,节约开发时间,提高效率.-An example of I2C bus, have the schematic design, and procedures for the design, can be directly used in the project development, saving development time and improve efficiency.

自己做的一个单片机实验,实现led灯的闪烁-Their own to do a single-chip experiment, led lights flicker realize

此程序实现"看门狗"WDT的功能*/此程序实现"看门狗"WDT的功能*/

pid算法的源程序，这个程序很不错，是入门的很好帮助-pid algorithm source code, this procedure is pretty good, is a good entry-help

我们设计的火灾报警器，基本上满足要求，大家可以参考-We design fire alarm, and basically meet the requirements of everyone can refer to