51单片机旋转屏幕的时钟，是doc格式，代码在文章里

正转，转四相步进电机，每相间隔70ms。C51程序 51单片机通用。-Is to switch to four-phase stepper motor, each interval of 70ms. 51 Single-chip Universal C51 procedures.

p18f452液晶控制驱动程序，C语言实现-p18f452 LCD control driver, C language

全速运行程序，可看到串口调试助手的接收区显示“41 42 43 44 45 46 47 48”。手动发送“0102030405060708091011”，打开WATCH窗口可看到50H~5AH地址单元的值为“0102030405060708091011”，请注意50H单元是串口接收数据起始存放地址，70H单元是串口接收数据结束存放地址。-Run the program at full speed, can see the serial debug assistants reception area shows

凌阳单片机的语音程序1，供学习凌阳单片机的学习者参考-Sunplus SCM process a voice for learning Sunplus SCM reference learners

本压缩文件主要介绍温度传感芯片的应用，及相关C程序，源代码直接可以使用-The compressed files are introduced chip temperature sensing applications, and related C program, source code can be used directly

周立功 lpc2104 开发板资料和测试程序，经过调试-weeks meritorious lpc2104 development board information and testing procedures, after debugging

单片机程序，计算开关次数并保存次数，并能调用显示时间，清除纪录。-Single-chip process, calculating the number and save the number of switches, and can call the show time to clear the record.

美国达拉斯温度传感器DS18B20的温度数值转化程序。-Dallas DS18B20 the temperature into numerical procedures.

pwm改变占空比的程序，已调试过，可以直接用KEIL使用-pwm duty cycle to change the procedures have been debug, and can be directly used by KEIL

先进PID仿真程序，里面有很多先进PID的仿真程序，对于学习PID控制的初学者来说肯定非常有用-Advanced PID simulation program, which has many advanced PID simulation program, PID control, for learning will definitely be very useful for beginners