crcmodula 进行 校验，在通信无线行业用的比较多

用89S52编的的蜂鸣器发声，有点简单，但最为一个发声的实力来说足够了-89S52 series with the buzzer sound, a bit simple, but most of the strength of a voice enough for the

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

C51七种实用子程序集2-C51 seven practical subroutine Set 2

AVR读写1302源程序，非常好用-AVR ?列

我写的C8051F02x的一部分模块库，目前是OSC和UART的-I wrote part of C8051F02x module library is currently the OSC and the UART

parameters of model induction motor

本程序使用AduC812单片机,实现从键盘读取数字,并用LED指示灯显示按键所在行列数-the procedures used Aduc812 Microcontroller microcontroller, read from a digital keyboard and LED indicator shows where the ranks of a few buttons

转载单片机实现TCP/IP协议的完整C源程序，带程序注解的，供大家研究-reproduced MCU TCP/IP protocol complete C source code, annotated with procedures for everyone to consider! !

此程序为单片机编程，主要实现无线收发功能，所使用的无线芯片为PTR4000。-This procedure for single-chip programming, the main function of wireless transceivers used for wireless chips PTR4000.

ip地址搜索软件，可以用来搜寻失去ip地址的设备。-ipsan。