数字频率合成器DDS9851控制系统的单片机源代码，键盘输入频率，液晶显示，并实时输出所需频率，该系统可选择输出方波和正弦波。...

利用单片机实现简单音乐发生器，可以尝试实践一下，比较简单-MCU use simple music generator, may try to practice that is relatively simple

一个电话报警系统源码 /*------------- 泰兴电子集团 ------------------ *---------------------------------------------- *文件名: Main.C *开发： www.at90s1200.go.nease.net *创建日期: 2004-6-30 16:19 *创建人： 尹刚 *功能: 主程序-a telephone warning system source /*------------- Taixing Electronics Group------------------*----------------------------------------------* File Name : Main.C* Developer : www. at90s1200.go.nease.net* Create Date : 2004-6-30 16:19* Created by :* gang functions : main program

pid控制的源程序，很不错的，请大家注意关注啊-pid control source, it is good, draw attention to concerns ah

单片键盘扫描keil源码-single source c51 keyboard scan

SPWM三相波形发生器，可应用于SA4828芯片的应用-SPWM three-phase waveform generator can be used SA4828 chip Application

自己编写的凌阳SPCA61A与SPCA563A图象识别模块连接驱动程序，带有4*8液晶显示驱动程序，开发环境unSP IDE 2-themselves prepared and Sunplus SPCA61A SPCA563A Image Recognition Module Link driver,* 8 with four LCD driver, development environment IDE 2.0.0 unSP

AVR单片机论文集，汇集了avr单片机的各类实用论文。-AVR Single Chip collection, a collection of various types of single-chip avr practical papers.

一个电路中电阻计算的小工具，可以快速计算如并联电阻的等效阻值等。很不错-Resistance in a circuit computing a small tool that can quickly calculate the equivalent parallel resistance, such as resistance and so on. Good

该程序是用单片机C51语言编写的关于步进电机控制的程序，里面包含了详细的说明，对于初学者有很好的帮助！

日历时钟12887源程序，很简单但很实用，是一个很好的参考例子。-12,887 calendar clock source, which is very simple but very useful, is a good example.