基于vriloge的数字钟具有调时、分、秒和定时报警功能，开发环境是MAXPUII的开发环境，实际检验是完全符合...

多种实时时钟芯片的读写应用程序，所用控制器为MCS-51系列的单片机-multiple real-time clock chip to read and write applications, using controller for the MCS-51 microcontroller series

数字时钟--51单片机 可以用KEY调整时间，已经通过验证-Digital Clock- 51 Singlechip KEY can be used to adjust the time has passed validation

1602 4线驱动 亲自测试可用 内附 Preteus原理图-16024-line-driven test is available

能够将语音先进行录制，然后在回放，适合应用在一些需要语音播报功能的设备上-Able to carry out a voice recording, playback and then, suitable for broadcast in a number of the needs of voice-enabled devices on the

该程序实现发送缓冲器0向接收缓冲器0发送数据的自测试模式，其中接收采用中断方式

the low voltage Flash Atmel AT89C52 and AT89LV52. Keil Software, - the low voltage Flash Atmel AT89C52 and AT89LV52. Keil Software,

基于MSP430的I2C驱动程序，超强可移植性，方便重定义管脚-MSP430 Based on the I2C driver, super-portable, convenient re-definition of pin

pwm改变占空比的程序，已调试过，可以直接用KEIL使用-pwm duty cycle to change the procedures have been debug, and can be directly used by KEIL

C51写的串口编程的范例，写串口的兄弟可以参考！-C51 write serial programming paradigm, write serial port can refer to the brothers!

经过一段时间的使用，上次的硬盘MP3播放器增加了USB下载文件功能； 汉字LCD显示功能；子文件夹功能等。并对软件做了一些修改。并将 硬件电路图画出来了。由于做得仓促，难免有不妥之处，请大家谅解， 欢迎指出错误。谢谢。-After a period of use, the last of the hard disk MP3 player, an increase of USB download files function characters LCD display Subfolders functions. And the software to do some modifications. Hardware circuit and the pictures came out. As a result of doing a rush, inevitably something wrong with the U.S. understanding, please welcome to point out the error.谢谢.