这是一个对单片机IO口，进行操作的程序，有助于对单片机硬件的了解...

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.

一个液晶显示器TX240128程序。我把我小孩的相片做在上面了，如果你用51的片子就能调试你的显示器了。端口连接在程序中有定义。你看下就知道了哈！-A liquid crystal display TX240128 procedures. I put my kids to do in the photo above, if you use the 51 films will be able to debug your display has. Port in the procedure definition. You know facie Ha!

汽车领lin总线通讯程序，非常有参考价值，请大家用的时候最好有lin总线的知识-Automotive collar lin bus communication procedures, a very valuable reference, please use the time everyone has the best knowledge lin bus

51单片机ADS7846/ADS7843芯片驱动，适合用在4线制触摸屏，它通过标准SPI协议和CPU通信，操作简单，精度高。-51 ADS7846/ADS7843 chip microcontroller-driven and is suitable for use in the 4-wire Touchscreen, SPI through standard protocols and CPU communication, simple operation and high accuracy.

液晶1602的硬件设计通过单片机pic16f877和液晶相连.实现每按一次按键.加一的功能.带电路图-The hardware design of LCD 1602 and LCD connected through the microcontroller pic16f877 to achieve every time I press the button. Plus-one function. With a circuit

简易谐波分析仪 -Simple Harmonic Analyzer

ds18b20显示程序，用数码管显示，能测0到99度的温度-DS18B20 display program with digital display, can be measured 0-99 degrees C temperature

鱼缸控制器带声光功能，可控温、加氧，人体感应音乐播放。-Fish tank with sound and light controller features temperature control, add oxygen, the body sensors music player.

自己用C语言编的一个走马灯，由于刚学单片机，写得功能比较简单-Own use C language compiled a revolving door, as just learning microcontroller, written in relatively simple function

单片机直接驱动液晶显示的汇编程序，可供单片机爱好者参考。-Single-chip direct-drive LCD compilation of procedures for single-chip reference lovers.