music SCM procedures and experimental design, including music program design pri...

用汇编写的音乐门铃的程序，虽然程序不大，但程序的内容很丰富，另配有PROTEUS的电路图。-Compilation of music written by doorbell procedures, although the procedure, but the procedure is very rich in contents, reprovision PROTEUS have the circuit diagram.

keil c51 小模式下uc/os应用，版本keil uv2 6.12，很好用-decoder mode uc/os application, version 6.12 Keil uv2 good use

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.

一个PS2键盘单片机, 使用Philips的接口+8051,写的不错,非常值得学习.-a PS2 keyboard microcontroller, the use of the interface, Philips 8051, was a good, very worth learning.

LPC900 FLASH单片机--红外多机通信应用实例-Single-chip LPC900 FLASH- infrared multi-machine communication applications

这是一个用于实现电脑和pic单片机通讯的，通过usb接口的通讯程序！第一部分

用于串口数据的监视，对于想要通过串口开发程序的朋友一定很有帮助。-Serial data for surveillance, for want through the serial development process will certainly be helpful friend.

mega32＋N298电机控制芯片, 通过控制电机的IN1和IN2改变方向, pwm控制速度。 IN1和IN2不同时，电机转动 IN1和IN2相同时，电机急停。 -mega32+ N298 motor control chip, by controlling the motor IN1 and IN2 to change direction, pwm control speed. IN1 and IN2 are not the same time, motor rotation IN1 and IN2 are the same, the electrical emergency stop.

在51单片机系统中利用专用以太网控制芯片RTL8019AS实现以太网接口-51 single-chip microcomputer system in the use of a dedicated control chip RTL8019AS Ethernet Ethernet interface