对利用595串行实现IO口扩展，本程序仅用3个IO口扩展到6个数码管...

DS18B20.rar 温度传感元件 stc89c51 12MHz 好东东希望你能喜欢！ -DS18B20.rar temperature sensor stc89c51 12MHz Dongdong good hope that you will like it!

Seekfor 字模大师V1.0源码，用于提取单片机需要的汉字字模-Seekfor Fonts Master V1.0 source for the extraction of the Chinese characters SCM needs Fonts

友善臂开发板上使用的S3C2410，2.6内核的LCD驱动，源码包以及移植方法。-A friendly arm on the board used in the development of S3C2410, 2.6 kernel LCD driver, source packages as well as the method of transplant.

st7565驱动LCD12864源代码以及经调试通过的LCD测试程序-st7565-driven debugging LCD12864 source code, and adopted by the LCD test program

ks0108控制器的12864液晶测试程序，汇编编写，显示三幅图片，测试通过-ks0108 controller 12864 LCD test program, compile the preparation, display three pictures, the test

c51单片机实验程序代码--流水灯、时钟、液晶驱动，串口异步通信、AD、DA、ROM 扩展、IO扩展等等，附原理图，对初学者很有帮助。-C51 single-chip experimental procedure code- water lights, clock, LCD driver, serial asynchronous communication, AD, DA, ROM expansion, IO expansion and so on, with schematic diagram, useful for beginners.

sd卡(驱动)工作原理分析，对驱动SB卡有很大帮助-sd card (driver) working principle analysis of SB card drivers are very helpful

在现代电子系统中，有为数众多的IC需要进行相互之间以及与外界的通信。为了提供硬件 的效率和简化电路的设计，PHILIPS开发了一种用于内部IC控制的简单的双向两线串行总线I2C-In modern electronic systems, there are a large number of IC need each other and communicate with the outside world. In order to provide the efficiency and simplify the hardware circuit design, PHILIPS developed an IC for internal control, a simple bi-directional two-wire serial bus I2C.

单片机与PS2键盘相连的应用，可以分大小写输入，通过1602液晶将字符显示出来-SCM and PS2 keyboard connected applications, can be divided into upper and lower case input, through the 1602 LCD will be displayed characters

针对USB2SPI128芯片的上位机驱动程序的源代码，主要是联通PC机的底层USB驱动和下位机单片机的通讯。-USB2SPI128 chip host computer for the driver source code, mainly to China Unicom PC-bottom USB drive and the next crew microcontroller communications.