DMA程序，51单片机

一个精彩的汇编程序，实现电子琴和倒计时功能，附有仿真文件-A wonderful compilation of procedures, to achieve organ, and the countdown function, with a simulation file

用于排队叫号系统的中央显示大屏控制程序。可以循环滚动显示文字，最大5层。-Call queuing system for its large central display screen control procedures. Could be re-rolling display text, the largest 5 layer.

此资料里有单片机的仿真实例。本人试了非常有用。希望此资料对大家有所帮助！-This information, there are examples of microcomputer simulation. I tried very useful. I hope that this information be helpful to everyone!

用W77E58开发的单片机短信收发代码，已经应用在路灯控制、远程抄表等项目里，请放心使用-W77E58 developed with single-chip transceiver message code, has been used in street lighting control, remote meter reading and other projects, please rest assured that the use of

8*8led屏全方位移动，希望觉得好的就请多加分数给我，-8* 8led full-screen mobile, want to feel good, please give me more points, thank you

单片机与MAX485通信子程序，供需要的人参考-SCM and MAX485 communication subroutines, for those who need it for reference

数码管段码速查,在单片机开发时，很容易的控制数码管-digital control of the Code Check, in MCU development, it is easy to control the digital control

AVR单片机M16L绝对可以用的4*4键盘程序,附连接图.-AVR Singlechip M16L can definitely use 4* 4 keyboard procedures, attached connection diagram.

该时钟以24小时制显示时间，并可显示2000年至2049年之间的任何日期及星期，日期与时间经按键可相互切换，可输入8个闹钟时间设置，每个闹钟设置包括响铃的时间（小时与分钟）、对工作日有效还是对周末有效的标志，以及本项设置是否启用的标志等三部分。这8个闹钟设置均保存在EEPROM中，即使掉电也不用重新输入。-The 24-hour clock to display time, and shows from 2000 to 2049 and any date between the weeks, the date and time as may be mutually switch button, enter the eight alarm time settings, each set including the ringing of an alarm clock Duration (hours and minutes), the effective working days or weekends effective road signs, as well as whether or not to enable this setting, such as a symbol of three parts. This 8 alarm settings are stored in EEPROM, even brown-out do not have to re-enter.

单片机控制ic卡的源程序，给需要者，已经通过测试