Through the DAC0832 output square wave, the initial frequency of 2KHz, the frequ...

单片机的电子时钟：6个数码管分时循环工作，刷新频率≥25Hz。键盘采用矩阵式电路，L1-L4作为输出，H1-H4作为输入。（详细工作原理请参考教材第10章）。 系统时钟采用12MHz，采用定时器方式2计时-SCM Electronic Clock: 6 digital control time-cycle work, refresh frequency ≥ 25Hz. Keyboard, a matrix circuit, L1-L4 as the output, H1-H4 as input. (Details please refer to teaching works Chapter 10). The system clock is 12MHz, using the timer mode 2 time

密码锁， 实现密码判断，实现密码更改，实现程序正常结束，实现非软件的准确延时，输入错误3次后自动结束程序，根据操作产生的不同结果配以不同的音效 -Password lock, password realize judgment achieve password change, the end of the normal implementation process, the accurate implementation of non-software delay, enter the wrong end of 3 times after the program automatically, under the operation of the different results produced with different audio

8051对时钟芯片DS1302和液晶LCD1602的控制，在LCD上显示时间，当前的时间。-8051 pairs of clock chip DS1302 and LCD1602 LCD control, in the LCD display time, the current time.

汇编语言做的 俄罗斯方块 演示-compilation of the Russian language to block demonstrations

无刷直流电机的SPWM程序,可以用来实现变频的作用-Brushless DC motor SPWM procedures, can be used to realize the role of frequency

这是一个包含了基本操作的记事本软件，与Windows下的记事本软件相似。其中包含了所有的源代码。-This is a notebook that contains the basic operation of the software, and Windows, the software similar to Notepad. Which contains all the source code.

外部中断与Timer中断同时存在的实验 （单片机）-External interrupt Timer Interrupt-exist with the experimental

使用TI TMS2407 实现SVPWM同步电机控制算法-TI TMS2407 realize the use of SVPWM control algorithm for synchronous motor

biansongqiziliao ,xuyao -hopeyouneed

液晶显示，程序已经调试通过好使，网上汇编程序较少，急大家所需-Liquid crystal display, the program has been through so debug, on-line assembler less urgent requirements of U.S.