在p1.0上产生一个占空比变化的脉冲信号，它产生的脉宽调制信号用于电机的变速控制...

primes factor in scheme

单片机是52的，P0口连到四个数码管的七个管脚，其中两个冒号点为最后两个数码管的DOP点，P1.0至P1.3为四个数码管的选通端，低电平有效。程序2较完整，可实现设定时间功能。-Singlechip is 52, P0 port connected to four of the seven-pin digital tube, two of which point to the last two colon tube DOP-point digital, P1.0 to P1.3 for the election of four digital tube pass-side, active-low. 2 a more complete procedure, set the time function can be realized.

这个是一个步进电机的控制程序，用于车辆润滑系统的控制器，非常好用的，非常好的-This is a stepper motor control program for vehicle lubrication system controller, very useful, very good

基于５１单片机的乘法运算程序-SCM multiplication procedure

利用51单片机实现数字音乐盒的实验方法及汇编代码。-51 MCU using digital music box experimental methods and assembly code.

最好的字模工具，完全免费，单片机开发必备-The best matrix tools, completely free, microcontroller development of essential

利用单片机做的机器人的程序，用C语言编写，内涵不少有用的驱动程序，大家看看，广交有技术的好友，847909867-Robot using microcontroller to do the procedure, using C language, meaning a number of useful drivers, take a look at, and made many skilled friends, 847,909,867

C8051F310单片机应用程序，模拟量(电压）的采样,比较器,LCD显示,SPI通信,FRAM读写,温度测量程序，PCA捕捉，键盘扫描，USB与RS232转换实验等。-C8051F310 single-chip applications, analog (voltage) of the sampling, Comparators, LCD display, SPI communication, FRAM read and write, the temperature measurement procedure, PCA capture, keyboard scanning, USB and RS232 conversion experiments.

这是我自己写的18B20驱动程序，不需修改，做的温度计精度很高。大家在做温度采集明无需修改，只需添加上既可使用。-This is what I wrote it myself, 18B20 driver without modification to do high precision thermometer. We do no need to modify the temperature acquisition out, simply add the can use.

m16连接以ks0108为控制芯片的12864显示器驱动-m16 connection to ks0108 to control the display driver chips, 12864