利用单片机加控制直流电机，利用P1口，编制程序输出一串脉冲，经放大后驱动小电机，改变输出脉冲的电平及持续时间，达到使电机正转、反转、加速、减速。停转之目的。...

单片机应用技术选编3,有大量关于51、avr、pic等多种单片机实例-Selected 3 single-chip applications, a large number of on 51, avr, pic, etc. Examples of a variety of single-chip

单片机音频信号处理软件2.-SCM audio signal processing software 2.

keil软件指南，对keilc51软件的安装、操作程序进行了详细的调试。对基尔初学者很有帮助

程序运行于C8051F020,主要功能是利用C8051F020自带的DAC生成一个正弦波-procedures in the C8051F020, Its main function is to bring their own use C8051F020 the DAC generating a sinusoidal

用C8051F310的定时器来实现定时中断，进而实现在扬声器实现不同声音的输出-C8051F310 timer used to achieve regularly interrupted, and then realize the sound at different speaker output

转速表：硬件简单，您可以用89c2051代替89c51，p1口做数据输出；p3口做位驱动，int0为转速信号输入-speed : hardware simple and you can replace 89c51 89c2051, p1 I do data output; P3- I do drive, int0 to speed signal input

ds18b20显示程序，用数码管显示，能测0到99度的温度-DS18B20 display program with digital display, can be measured 0-99 degrees C temperature

该源码是一款用12864做的英文游戏，具有proteus仿真，比较有趣，能激发学液晶的兴趣-The source code is a 12864 to do with the English game, with the Proteus simulation, the more interesting, can stimulate interest in science LCD

键盘扫描程序，逐行拉低，错位相交的方法实现-Keyboard scanner, progressive degrade realize dislocation intersect method

用51系列单片机开发的电机驱动控制程序，控制方式采用PWM-51 Series single-chip with the development of motor drive control procedures, the use of PWM control