89c2051 外部中断检测 通过max232与PC通讯 发送数据

用VS2005编个计算器的小程序.. 功能一般只实现了+ - * /,和进制转换功能.-VS2005 series with a small calculator program .. function generally realized+-* /, And hexadecimal conversion.

ds1302和ds18b20和1602液晶显示，能显示日期，时间，和温度，并且附有详细的说明-ds1302 and liquid crystal display ds18b20 and 1602 showing the date, time, and temperature, and accompanied by a detailed description of

自制时钟及时钟中断处理程序的编制 在CMD下运行，在右上角将出现当前的时间，同时可以输入CMD下的各种命令 相当于把单任务的操作系统改成多任务（一个显示时间，一个处理各种命令）-homemade clocks and clock interrupt handling procedures in the establishment of CMD running, in the upper right-hand corner there will be the current time, CMD also can be imported under the order amounts to a single task into multi-task operating system (a show, deal with a variety of orders)

EEPROM记忆类IC的检测,可以设置地址,检测存储器任何地址上的数据,并带数码管显示功能-EEPROM-type memory IC testing, you can set the address to detect any memory address data, and with digital tube display

Landscape 1/2 (first of two) quick key list: Right/Left - Spin landscape Forward/Back - Move in current direction either forward or backward Space - Move the water level up and down ESC - Exit -Landscape 1/2 (first of two) quick key list: Right/Left - Spin landscape Forward/Back - Move in current direction either forward or backward Space - Move the water level up and down ESC - Exit

全屏幕模拟时钟的C源程序-full-screen clock simulation of C source

89S51 与数码管显示器以及键盘SW 对应引脚的联机为： P0.0-------------------------数码管显示器的a脚 P0.1-------------------------数码管显示器的b脚 P0.2-------------------------数码管显示器的c脚 P0.3-------------------------数码管显示器的d脚 P0.4-------------------------数码管显示器的e脚 P0.5-------------------------数码管显示器的f脚 P0.6-------------------------数码管显示器的g脚 P0.7-------------------------数码管显示器的dp脚 ； P2.2-------------------------数码管显示器1的驱动脚 P2.3-------------------------数码管显示器2的驱动脚 P2.4-------------------------数码管显示器3的驱动脚 P2.5-------------------------数码管显示器4的驱动脚 P2.6-------------------------数码管显示器5的驱动脚 P2.7-------------------------数码管显示器6的驱动脚 ； P2.2-------------------------键盘SW1 P2.3-------------------------键盘SW2 P2.4-------------------------键盘SW3 P2.5-------------------------键盘SW4 P2.6-------------------------键盘SW5 P2.7-------------------------键盘SW6-devised with the digital control display and keyboard SW corresponding pin online : P0.0------------------------- Digital Display of a foot P0 .1--------

我们学校要的作业啊 看看吧-our school to look at the operations it ah

文本编辑有我不再麻烦，课程设计？或者其他什么的～这里有你想要的资料・-text editor I will not have trouble, curriculum design? Or what other ~ Here is the information you want

是金桑子的平衡功放，很详细的电路图-Is part of the balance Kuwako amplifier, it is a detailed circuit diagram