led 的显示 num lock 键，scrlock capslock

硬盘主引导扇区读写程序源代码，可用于读取硬盘主引导扇区的信息也可对其进行修改。-hard disk"s master boot sector literacy program"s source code can be used to read hard disk"s master boot sector information may also make changes.

汇编语言编写的TI54xxd的带通滤波器程序-assembly language TI54xxd prepared by the band-pass filter process

PWM控制电机,编辑控制方式。在这个DEMO里建了一个函数F_Pwm(int a,int b) 用于PWM设置，传入两个参数第一个用于频率设置，第二个用于占空比设置。另外还开了外部中断可进行频率和占空比的步进，从而达到调整速度的目的-PWM motor control, edit control mode. In this DEMO was built inside a function F_Pwm (int a, int b) for the PWM settings, with two arguments the first one for the frequency setting, the second set for the duty cycle. It also opened the external interrupt can be the stepping frequency and duty cycle to achieve the purpose of adjusting the speed of

PCI1730输入程序

在字符LCD上显示中文字，采用汇编语言。并且在PROTES上运行通过-In the character LCD display Chinese characters, using assembly language. And in PROTES run through the

点阵显示 点阵显示-Dot-matrix display Dot Matrix display

voice发声汇编程序1-audible voice an assembler

BCD码相乘，汇编环境里没有对压缩BCD码相乘的调整，相当于作业吧！-BCD multiply, the compilation environment where no compression BCD multiplication of adjustment, which is equivalent to operating!

多功能数字钟设计 基本要求： 1.具有时，分，秒的显示。 2.时，分可以调整。 3.使闹钟具有可整点报时与定时闹钟的功能。 -Multi-function digital clock design basic requirements: 1. With hours, minutes and seconds display. 2. Hours, minutes, can be adjusted. 3. To be the whole point timekeeping clock with alarm and timer functions.

C51 LCD Keyboard driver