sd card driver package: SD Card Physical Layer SD cards support SPI mode command

利用8051单片机实现对1602液晶显示器驱动，实现时钟功能。-8051 to realize the use of liquid crystal display driver 1602, realize the clock function.

12,14,16点阵汉字显示文件 12,14,16点阵汉字显示文件-12,14,16 dot matrix display Chinese characters files characters dot matrix display documents 12,14,16

带遥控 带128*64LCD 带电子开关 -With remote control with 128* 64LCD with electronic switch

利用单片机、HD7279、键盘，实现计时器、倒计时器。-The use of single-chip, HD7279, keyboard, realize the timer countdown device.

本文介绍了AT89C2051单片机的性能和特点，并在分析了超声波测距原理的基本系统框图。该设计系统经校正后，其测量精度可达0.1米-This paper introduces the AT89C2051 MCU performance and features, and the analysis of the basic principle of ultrasonic distance measurement system block diagram. The design system has been corrected, the measurement accuracy up to 0.1 meters

1602LCM的单片机操作例程和使用手册。-1602LCM microcontroller operation and use of manual routines.

给出一种利用单片机通用I/O 口扩展串行通信的方法.-Given a general-purpose use of single-chip I/O port expansion method of serial communication.

音乐生日快乐的播放，汇编编写，用的是扬声器，不是蜂鸣器-Happy Birthday music playback, compilation prepared by the speaker, not a buzzer

该程序主要实现通过74ls164实现串行驱动LED并显示,这种显示方法的LED量度较大-the main procedures adopted 74ls164 Serial LED driver and showed that This method showed a larger measure of LED

这个UV3是正式版. 不像网上传的那样,在98下运行就出错. 这个版本是:3.03 是从DKARMV12A中拷出来的. 我一直都在用,好用着.-Lithography is the official version. Unlike Internet-in the case of 98 mistakes on the run. This version is : 3.03 from DKARMV12A which beat out. I have been in use and ease of use with.