pid算法的源程序，这个程序很不错，是入门的很好帮助

频率计 等精度频率计 可以用于频率测试的等精度频率计 可用的-Such as precision frequency meter frequency meter can be used for the frequency of tests, such as precision frequency meter available

文件包含了开发motorola mc9s12uf32单片机一些源码。 　1、USB device 实现 　2、CF卡读取 　3、SD卡读取 　4、ATA硬盘读取-document contains a microcontroller development motorola mc9s12uf32 some source. A USB device to achieve two, three CF card read, SD Card Reader 4, ATA disk read

根据键盘的控制，移动字符串Hello或者华东师范大学,行列键盘的7用于字符串左移,8用于字符串下移，9用于字符串右移，5用于字符串上移。按键每按一下向各自的方向移动一个点阵的位置。-Under the control of the keyboard, move the string Hello, or East China Normal University, the ranks of the keyboard for the string to the left of 7, 8 for string down, 9 for string shifted to right, 5 for the string to move. Click the button for each move to their respective location of a dot matrix.

本程序是一个简单的流水灯程序,对初学者来说是很容易掌握的,特别是对C51的初学者!--A simple water light program. It is easy to understand for beginners, especially who are learning C51.

1602液晶的驱动程序，调用其中的函数即可对其命令和数据完全操作！-1602 LCD driver, call a function which can be ordered and its data fully operational!

PROTUES是个高效率的在线仿真软件,该锦集为在线仿真的应用.里面的资料,包含了各个内容的原程序和原理图等.-PROTUES is a highly efficient online simulation software, the simulation锦集for online applications. Inside information, contains all the contents of the original procedures and principles of map.

AVR单片机入门及C语言高效设计实践（四） ATMEAG16L的I／O端口特点及使用 ATMEAG16L单片机有32个通用I／O口，分为PA、PB、PC和PD四组，每组都是8位。这些I／O口都可以通过各自的端口寄存器设置成输入和输出（即作为普通端口使用），有些I／O口还具有第二功能（我们在后面使用到这些第二功能时再介绍）。-AVR C language portal and efficient design practice (4) ATMEAG16L the I/O Ports characteristics and use of a microcontroller ATMEAG16L 32 common I/O mouth into PA, PB, PC and PD four groups, each group are eight. These I/O I can through their respective ports Register set to input and output (that is, use as a general port), Some I/O I also have the second function (in the back of the use of these second function tell).

MCS-51单片机实验 39个实用实验和源码-MCS-51 Single-chip experiments and practical experiments and 39 source

TEA5767做的数字收音机，具有自动搜台，手动搜台，保存功能-TEA5767 do digital radio with automatic station search, manual station search, save function

采用ATMEGA8的芯片,功能为智能家居的门禁控制,单相交流电机的控制系统,性能稳定.-ATMEGA8 using the chip, the functions of the Intelligent home access control, single-phase AC motor control system, stable performance.