利用 AT89S51 单片机的 P0 端口的 P0.0 － P0.7 连接到一个共阴数码管的 a － h 的笔段上，数码管的公共端接地。在数码管上循环显示 0...

51系列单片机上实现PC键盘的识别，并且在相应的LED点阵上显示结果-51 Series Single Chip PC keyboard to achieve recognition, and in the corresponding LED dot matrix display results

谐波计算，用用也不错，大家可以试一试。不好用也别找我啊-Harmonic basis, with use it as well, everyone can try. Bad do not use me ah

ds1302,我自己做成功了,可以下载就直接用!-ds1302, to do my own successful, can be downloaded directly using!

该程序能捕捉到单片机发出的正确信号，并显示出来

测试GPIF用的原理图、上位机程序，以及固件-GPIF test used schematics, PC procedures, as well as firmware

一个ADC0809和DAC0832的程序-a ADC0809 and procedures DAC0832

总共是三部分凌阳单片机ppt教程，如有学凌阳的可以看看，个人感觉还不错啦！-A total of three-part tutorial ppt Singlechip Sunplus, if the school can look at Sunplus, personal feeling还不错啦!

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.

mega8，100Hz波形发生，定时中断点亮LED-mega8, 100Hz waveform occurred regularly interrupted lit LED

硬件协议栈芯片w3100a的web－server，用51单片机，keil51环境-hardware protocol stack chips w3100a web-server, with 51 microcontroller, keil51 environment