利用单片机AT89S51与adc0809设计一个数字电压表，能够测量0－5V之间的直流电压值，四位数码显示，但要求使用的元器件数目最少...

通用MSP430-I2C的程序，这个程序是一个完整的程序，直接下载就可以使用-MSP430-I2C common procedures, this procedure is a complete program, you can use direct download

此源代码为UC/OS-II移植到51单片机的源代码.包括OS_CPU.H,OS_CPU_C.C,OS_CPU_A.S三个主要文件-this source code for the UC/OS-II transplants to 51 SCM source code. Including OS_CPU.H, OS_CPU_C.C, OS_CPU_A.S three key documents

一些收集到的PIC文章，相信对PIC编程员有一定的帮助-collect some of the PIC article, I believe the PIC programmers can help

典型的AD和DA芯片的应用，含代码，keil编译文件，pretous仿真文件，可作为此类开发的参考-A typical chip AD and DA applications, including code, keil build file, pretous simulation files, can be used as a reference for such development

DTMF双向收／发集成电路MT8880专门为双音频信号的收、发而设计，它既能产生发送双音频信号，又能对双音频信号进行接收译码，还能判断各种信号音(拨号音、回铃音、忙音)。以上就是它的应用电路和程序-Two-way DTMF collection/fat MT8880 IC specifically for the dual audio signals received, the design, it could have sent dual audio signal, while the dual audio signal decoding receiver, but also to judge the sound signal (dial tone , ring back tone, busy tone). Above is its application circuit and procedures

在单片机上完全实现sd卡功能，对扇区操作都很详细。-In single-chip fully realized the sd card function, sector operations are detailed.

基于单片机的波形发生器，可产生方波，三角波及正弦波，频率可调。-Based on single-chip waveform generator to generate square wave, sine wave triangle spread, frequency adjustable.

51单片机上实现对PS2手柄的解析，已经实验通过。-51 microcontroller implemented on PS2 handle parsing experiment has already been passed.

这是一个RS232方面的资料，可供在单片机设计方面的人员参考-This is a RS232 information, available in single-chip design reference

tcpip的一些源码,希望对大家能够有用,使用与嵌入式开发-tcpip some source code, in the hope that everyone can be useful, use and Embedded Development