c51设计，音乐有‘八月桂花’，‘祝你平安’等

这是一个单片机应用中编写键盘代码时可以对比参考的，PS2接口的键盘对应的按键码，很实用的，有用到得朋友可以看看。-This is a microcontroller application can write code in contrast to the keyboard reference, PS2 keyboard interface, the corresponding key code, very practical and useful to have a friend take a look at.

利用8279芯片实现通过2X8键盘输入加数和被加数并计算出结果，同时将加数、被加数和结果都在LED灯上显示出来。-Chip 8279 through the use of 2X8 and keyboard input addend addend and calculated results, at the same time, addend, addend and the results were in the LED lights on the display.

16*2 字符Lcd 的c51 例子-16* 2 characters Lcd example of the decoder

单片机控制带中文字库12864液晶屏，程序中包括显示汉字，显示图片等功能。-Control with single-chip Chinese font LCD screen 12864, the program includes display of Chinese characters, showing features such as picture.

STC单片机程序主要完成电压采集和AD过程-STC-voltage single-chip process is essentially completed the process of collection and AD

hd44780驱动程序 单片机开发中用到的-hd44780 driver used in MCU development

该设备是一款基于AVR mega16L单片机的电子书阅读器，它除具有传统的阅读电子资源功能外，还能通过PS2接口与PC键盘连接，使用普通PC键盘输入信息，进行文本录入；使用LCD12864液晶作为显示器，它还可以用VB专门为之编写的下载软件通过串口下载TXT格式的文本资源。电子书资源存储在AVR公司生产的AT45DB021B闪速存储器，它有2M存储空间，可满足一般用户需要，当然也可升级为大容量存储器。 该设备功能强大，将电子书阅读器发挥到了极致，能满足用户特殊需要。 -The device is a single chip based on the AVR mega16L e-book reader, which in addition to the traditional functions of reading electronic resources, but also through the PS2 interface to connect with the PC keyboard, use an ordinary PC keyboard input information, the text input use LCD12864 LCD as a display, it can be prepared by specialized VB download software through the serial port to download TXT format text resources. E-book resources are stored in the AVR produced AT45DB021B flash memory, it has 2M storage space to meet the needs of general users, of course, can also be upgraded to a large-capacity memory. The device is powerful and will play an eBook reader to the extreme, and to meet the special needs of users.

单片机c51系列控制74h595移位寄存器驱动LED显示-C51 Series 74h595 Singlechip control shift register drives LED display

这是温度传感器PT100的使用心得，希望对大家有所用。-PT100 temperature sensor which is the use of experience, I hope with all of you.

这是一个10的A/D转换芯片，用他与51单片机组成控制系统，具有结构简单，系统稳定的特点。-This is a 10 A/D converter chips, and with his 51 MCU control system is simple in structure, system stability characteristics.