DAC7611，12位串口DA驱动程序，只需将代码中的四个端口按自己的电路修改就可以使用。...

8051单片机上4*4矩阵键盘的扫描方式1-none

DS1302的驱动程序。主程序用C语言编写，驱动用汇编编写。用KEIL C编译通过。-DS1302 drivers. Main program with C language, drivers used to prepare the compilation. Using KEIL C compiler through.

单片机通过SPI读写SD卡.使用5v系统操作3.3V的sd卡.很有借鉴价值-SCM SPI literacy through SD cards. 5v use of the system 3.3V sd card. Very valuable reference

VB平台单片机与PC机串口通信的PC端程序。小巧易用，功能丰富-VB Platform single-chip serial communication with the PC-the PC-side program. Small, easy-to-use, feature-rich

51单片机控制通过串口控制多个七彩LED灯.-51 single-chip control through the serial port to control a number of colorful LED lights.

LED+164汇编语言的程序，让数码官显实一个数字，通过LS164串口传过来的-LED 164 assembly language procedure, the digital officials is a significant figure, LS164 through the serial-up

keil和proteus联调实例-闪灯程序,希望对大家学习单片机有用.-keil and proteus FBI examples- flashing process, everyone would like to study single-chip useful.

SD卡详细资料,包括SD卡介绍以及接口规范及部分电路连接图-SD card details, including the SD card interface specification and some of the presentations and the circuit connection diagram

常用串行EEPROM的编程应用，Microwire总线是美国国家半导体公司研发的一种简单的串行通讯接口协议，该总线是采用三线进行数据传输。Microwire总线和SPI总线一样数据输入输出分别使用一根引线，同样可以提供同步数据传输方式，可以适用在多种微控制器、EEPROM或ADC等场合。-Commonly used application of serial EEPROM programming, Microwire bus is the United States National Semiconductor R

非接触式无线巡更系统实现讲解，希望能给大家带来帮助-Non-contact wireless realize on Patrol System, I hope everyone can help