用汇编语言设计键盘打字程序，通过微机中的8255/8253/8259芯片的控制来实现...

汇编中调用动态链接库的一个例子。-compilation called dynamic link library an example.

用89C51，外接晶振，复位电路，二个数码管，二个按键，做一个电子秒表，具体要求为用按键起停电子表，可用按键设计倒计时时间(如10S，20S，60S),并启动倒计时功能,能用按键选择以上两功能之一-With 89C51, an external crystal oscillator, reset circuit, two digital tube, two buttons, making an electronic stopwatch, and specific requirements for the use button start-stop electronic watches, key design can be used countdown time (such as 10S, 20S, 60S), and start the countdown function, can be used for more than two buttons select one of the functions

一个与一个低通滤波器结合可以用作简单、廉价的数/模转换器。其输出可用于驱动电压控制器件，或用于需要模/数转换器采样受控参数的反馈控制系统中。PWM常用于电机控制系统中。-A combination of a low-pass filter can be used as a simple, low-cost D/A converter. The output can be used to drive voltage control devices, or for the need for A/D converter sampling the controlled parameters of feedback control systems. PWM motor control commonly used in the system.

自动感应器模块,可以自动冲洗马桶.精确的比较高-Automatic sensor module, can automatically flushing toilets. The relatively high precision

使用ATMEGA8L+1602LCD写的万年历，晶振频率为4MHz-Use ATMEGA8L+ 1602LCD written calendar, crystal frequency of 4MHz

这是这几天我用C做的一个高性能计时器.希望大家指教-This is the last few days I used to do a high-performance C timer. Hope everyone advice

C51 驱动程序 6610LCD使用nxp的lpc2148控制.rar， 试合刚刚学习者-DISPLAY LCD C51 PGM

bootsect 在屏幕上打印p 仿于渊的那本自己动手写操作系统-bootsect print red p on the screen follow the book written by yuan yu

控制APIC的汇编源程序-control APIC compilation source

定时闹钟的一个简单实用的程序，可以对现在时间以及闹钟时间进行修改．-Regular alarm clock, a simple and practical procedures, the time now, and can modify the alarm time.