C51入门源码，程序功能使单片机播放音乐，附有详细注释

使用winavr＋studio进行开发的测试程序，很实用。-Use winavr studio for the development of test procedures, it is practical.

可控硅及其触发系统的文章具有一定的参考价值-SCR and its trigger system of the article has a certain reference value

实现公历与农历的转换一般采用查表法按日查表是速度最快的方法但51 单片机寻址能力有限不可能采用 按日查表的方法除按日查外我们可以通过按月查表和按年查表的方法再通过适当的计算来确定公历日所对应的 农历日期本文采用的是按年查表法最大限度地减少表格所占的程序空间-Limited can not be used In addition to a daily look-up table method of daily things that we can search through monthly and annual look-up table look-up table method and through the appropriate calculations to determine the calendar day corresponding to the Lunar date of this paper is the annual table look-up table method to minimize the space occupied by program

51单片机驱动DSB20单总线温度传感器-51 Single-chip driver DSB20 single bus temperature sensor

德国KVASER公司关于MCP2510驱动的源代码-Germany KVASER company on the MCP2510-driven source code

单片机通过SPI读写SD卡.使用5v系统操作3.3V的sd卡.很有借鉴价值-SCM SPI literacy through SD cards. 5v use of the system 3.3V sd card. Very valuable reference

ad转换,可以实现模拟量转换成数字量，利用单片机内部集成的魔术转化单元。-ad conversion

这是一个在proteus下仿真成功的闪烁灯的例子。对于初级学习proteus的人很有帮助-This is a simulation in proteus success under the lights flicker example. For the initial study and the people very helpful proteus

C51单片机上的嵌入式操作系统,具有任务调度,文件服务,等功能-C51 MCU embedded operating system, with task scheduling, documentation services, etc.

ch375读写u盘C51示例源程序....利用芯片×75做U盘-ch375 disk read and write u .... C51 sample source ⊙ 75 chips make use of U disk