Development of 51 single

CF卡的技术规范。比较新的版本了。希望对有关的同志有所帮助。-CF card specifications. Relatively new version. Hope that the comrades of the help.

详细地列举了芯片封装的发展历史。可作趣味性了解。-detailed list of chip packaging development history. For fun understanding.

有急于51单片机IIC的操作讲解，和at24c02的一些基本资料，和IIC读写基本操作！-51 Single-chip IIC eager to have the operation on, and AT24C02 some basic information, and IIC to read and write basic operation!

适合初学c55者的几个扩展定点数运算例子-suitable for the novice c55 several expansion of the fixed points Operational example

单片机子程序,C源代码,4X4矩阵键盘,KEIL C开发环境.-Singlechip subroutine, C source code, 4X4 matrix keyboard, KEIL C development environment.

双龙电子的ICC AVR例程源码，写的比较简单容易懂，对初学者比较好。也可以参考。里面附带IIC，1602，UART等例子-Ssangyong Electronics ICC AVR routine source code, written in relatively simple and easy to understand for beginners better. Also can refer to. Inside with IIC, 1602, UART, etc. Examples of

实时时钟模块ds1302,内含原理图，适合学过汇编语言的人-Real-time clock module ds1302, containing schematics, assembly language to learn for those who

C51编制的51单片机DA程序，适用于初学者参考。-C51 prepared by 51 MCU DA procedures to apply to advanced users.

1602A液晶屏60分钟循环秒表-1602A LCD screen 60-minute cycle stopwatch

这是一个结合Proteus和51单片机实现的一个按键加速实例。以验证-This is a combination of Proteus and 51 of the MCU examples of a button to accelerate. To verify