DESCRIPTION This function initializes the pointers in the _pid structure 　　to...

一个警报声程序 　　　　　　　　　　　　　　　　　 一个警报声程序-an alarm sounded a siren procedures procedures

pcf8563是一种实时的日历时钟芯片，它解决了计时的千年问题。-pcf8563 a real-time clock chip calendar, it has resolved a time of the Millennium problems.

凌阳IDE中写的一个LED键盘模组制程序，改一下自己的IO代码 直接编译就可以使用了-Sunplus IDE write a keyboard LED module system procedures, change your own direct IO code compiler can use the

这是一个串行通信接口的实例就是在单片机时钟频率在12MHz 波特率 9600bps 的通信方式下实现软件UART的发送程序。 -This is an example of serial communication interface is a single chip at 12MHz clock frequency in the communication baud rate of 9600bps software UART implementation of the send process.

485通信在工业控制及管理系统中应用非常广泛，但485总线的相关资料教材上说明的却非常泛泛，这些资料对485通讯做了详细介绍，并有应用案列，相信对朋友们很实用-485 Communication in industrial control and management system is widely used, but the 485 bus information materials on the description is very general, such information on the 485 made a detailed presentation and have applied the case of columns, I believe that friends are very practical for

通过pid算法来对水温的测量、控制等功能-Pid algorithm adopted to temperature measurement, control and other functions

In-system Programming with C51 MCU and External Flash

自行车里程表，采用c语言编制，51单片机系统，能测量显示自行车的里程。-Bicycle odometer, using c language, 51 single-chip system capable of measuring the mileage of a bike show.

键盘控制页面显示。屏蔽一些键盘事件。F1.F2.F3控制不同显示模式。-jianpan

MCS51单片机C语言实现画圆弧坐标的源程序-MCS51 C Language painting arc coordinates of the source