蜂鸣器响 改变蜂鸣器的频率，通过改变延时时间 蜂鸣器的时间要是是靠延时来完成的...

一个C语言编写的单片机并口数据发送代码-an bunch of computer parallel port data transfer code programmed with C

基于HS108设计的红外水位检测仪，内含C源代码，原理图及PCB，稍作改动可以用于很多位置检测场合如油泵位置检测等。-HS108-based design of infrared detector water containing C source code, schematics and the PCB, to make a minor amendment can be used for position detection in many occasions, for example, pumps and other position detection.

51 与PC串口通信，IO口模拟串口显示，-AT892051

单片机和电脑串口通信实现自动堆垛机控制，采用汇编编程，实现串口通信。-Microcontroller and the computer serial communication for automatic stacking machine control, using assembly programming, serial communication.

在Keil环境下，用1302实现的时钟，用6位数码管显示时间,显示格式00:00:-In the Keil environment, to achieve by 1302 the clock, with six digital display time, display format 00:00:00

msp430x22x4的c程序，例子很多，几乎涵盖了msp430x22x4系列的全部功能。-msp430x22x4 c-program, many examples, covering almost msp430x22x4 series of full functionality.

智能小车的参考C程序，用的是ICC AVR进行编写，-Intelligent Vehicles reference C program, using the ICC AVR for the preparation,

54系列dsp算法程序-54 series dsp algorithm

完全用C语言编写的C51单片机多任务操作系统,任务调度基于主动放弃,特别适合STC单片机.-Entirely in C language C51 single-chip multi-tasking operating systems, task scheduling based on the initiative in giving up, and are particularly suited Singlechip STC.

基于avr模拟电梯控制系统 包括源码电路图-Avr-based elevator control system consists of analog source circuit