本例采用89C52, 晶振为11.0592MHZ，关于如何编制音乐代码, 其实十分简单,各位可以看以下代码.频率常数即音乐术语中的音调,而节拍常数即音乐术语中的

1.1602LCD显示字符串 2.1602字符程序 3.1602第二行第一个字符的位置显示字母“A”c 4.1602左移和闪烁asm 5.1602左移显示c语言程序 6.液晶应用 4线 7.液晶应用 8线 -2.1602 shows that the string of characters 1.1602LCD procedures 3.1602 second line of the first character location of the letters " A" c 4.1602 the left and the left show the asm 5.1602 flashing c language program 6. 4-line LCD applications 7. 8 line LCD applications

ACEXT1K30最小系统的原理图和成熟PCB版图，可以直接拿到PCB制作厂商制作。同时也提供了与你自己定义的系统的接口，方便你将ACEXT1K30直接嵌入到你的系统中，而不需要再做其他的工作了-ACEXT1K30 the schematic and PCB layout mature, can be submitted directly to the production of PCB manufacturers produced. Also provided with your own definition of the interface, you will facilitate ACEXT1K30 directly embedded into your system without the need to do the work of the other

CAN总线原理和应用系统设计-邬宽明 网评很好的一本书，电子版的很难找，CAN总线开发的经典教科书-Principle and Application of CAN Bus System Design- Wu Kuan-ming network assessment a very good book, the electronic version of the hard to find, CAN Bus development of the classic textbook

3208点陈式显示电子时钟，有兴趣的朋友可以DIY，同时也可以提供代码参考。-Chan 3208 point display electronic clock, interested friends can DIY, but also can provide reference code.

本文以51单片机为例介绍如何扩展USB接口进行对U盘的读写，并详细介绍FAT16、FAT32文件系统的细节以及如何编码实现单片机对文件系统的常用操作，顺带提到一点关于U盘兼容性问题的解决经验。在这里单片机是host，U盘是slave。-In this paper, single-chip microcomputer 51 as an example on how to expand the USB interface on the U disk read and write, and details on FAT16, FAT32 file system and how to encode the details of the realization of single-chip microcomputer used for file system operations, mentioned in passing that on U disk experience compatibility problems. Here is a single-chip host, U disk is a slave.

单片机键盘阵列扫描源程序解析，让你更好的理解按键扫描的原理-Single-chip arrays to scan the source code to resolve the keyboard, allows you to better understand the key principle of scanning

ds1302的单片机程序实现，适用51的时钟芯片-ds1302 the SCM program, the application of 51 clock chips

关于msp430单片机的源代码，里面有很多比较有用的实例讲解，可以很好的利用，特别是对于初学者，是很好的资料-Msp430 microcontroller on the source code, there are many more examples of useful explanations, can be well used, especially for beginners, is a very good information

H6152读Mifare射频卡通信.zip-H6152 Reading Mifare RF card communications. Zip

采用ATMEGA48设计制作低成本高精度的数字温度计，采用C语言设计开发源代码。-ATMEGA48 design using low-cost high-precision digital thermometer, design and development using C language source code.