samsung arm2440开发板 数模转换测试程序，程序开发平台为qt平台开发环境为linux系统

本文主要编译出lcd的基本程序，还有字模的使用方法 -In this paper, compile a lcd basic procedures, as well as the use of matrix methods

stm32f103 cortex_m3 sd卡操作例程-stm32f103 cortex_m3sd card routine operation

本文只有程序，无电路图，是基于单片机控制的线性数字稳压电源-In this paper, only the procedures, no circuit diagram is based on the number of single-chip control of linear regulated power supply

写单片机的可以看看17种使用的小软件这是1-RUANJIAN

8155做的电子时钟，对学单片机的人有很大帮助-8155 to do electronic clock, on the school single-chip microcomputer has a lot to help people

89C51单片机精确定时详解-89C51 Elaborates on precision timing

继续上传：单片机89C51，LCD12864密码锁。-Continue to upload: Singlechip 89C51, LCD12864 locks.

1） 以单片机为核心部件组成一个音乐播放器。 2） 利用单片机的定时器产生乐谱的各种频率方波，信号经过放大后由喇叭发出声音。 3） 自行定义按键盘，每按一键，可选择一首歌曲进行演奏，某段音乐令单片机连续播放，演奏可通过按键来中断。 4） 在LCD上显示演奏歌曲的名称。 -1) the composition of the core components of SCM as a music player. 2) the use of MCU timer generated scores of the various frequency square wave signal through the amplified sound from the speakers. 3) self-defined keyboard, every click of a button, select a song to play, a certain period of continuous playback of music in SCM, playing by pressing a button to interrupt. 4) In the LCD displays the name of the song playing.

使用IAR编写的DS1302时钟芯片驱动和4*4矩阵按键的扫描函数，可以使用按键设置时间，采用msp430f149单片机-IAR prepared using DS1302 clock chip driver and 4* 4 matrix keypad scanning function, you can use the keys setup time, using MSP430F149 single-chip microcomputer

sub子程序 即可调用本文件中的子程序 DISP 子程序名：显示子程序DISP-sub subroutine