蜂鸣器911报警(汇编),单片机的定时器根据声音的频率来设计

通过把音乐的节奏转变成字符以实现通过高低电平让蜂鸣器响-By the rhythm of the music into a character in order to achieve high-low so that buzzer sound

此程序为利用mage8 AVR 和EM4094实现读取TYPE B类型卡的C程序、读卡稳定、这个项目我们做了好久、非常不错的程序、很适合做这方面产品的朋友们参考-This procedure for the use of mage8 AVR and the EM4094 Read TYPE B to achieve the type of card C procedures, reader stability, the project we have done for a long time, very good program, it is suitable for products in this area refer to my friends

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

c51写的，数码管显示以及键盘接口专用控制芯片芯片BC7281与MCU串行通信的解决方案的实例程序。在c51里的移植基本不需要改动。-decoder, a digital control display and keyboard interface dedicated controller chips BC7281 and MCU chip serial communications solutions examples of procedures. C51 Lane in the transplant is not needed changes.

源码公开的MCS 51 单片机的宏汇编器 Macro Assembler of MCS MCS-51 micro controller Version 0.12 这是一个应届生写的习作 尽管这个软件A51 还未完全达到满意的效果不过与Keil 公司的A51 配合起来使用还是不错的 公开源码和文档的目的是希望能够给一些爱好者作为学习编译原理和C 程序设计的靶子同时也希望有更多的热心人参与修改源码直至更加完善 来自周立功公司-MCS 51 open-source SCM macro assembler Macro Assembler of MCS MCS-51 micro controller Version 0.12 This is a year of Health to write assignments A51 even though the software is still not yet fully satisfactory, however the effect of the A51 and Keil company with up or a good use of open source code and documentation which aims to compile a number of enthusiasts as a learning theory and C programming target but also hope that more and more enthusiastic to participate in modified source code until a more complete company from weeks Ligong

给出一种利用单片机通用I/O 口扩展串行通信的方法.-Given a general-purpose use of single-chip I/O port expansion method of serial communication.

pic16f877实现spi功能和isd1790语音芯片的通信-pic16f877realise spi function和isd1790sound chip comunitions

字库代码提取，在电子行业单片机应用有帮助！-font code extraction, in the electronics industry SCM application help!

用于汽车遥控的Ev1527的pic单片机软件接收解码程序，密码采用I2C总线方式存在EEPROM中-Remote control for automotive Ev1527 the pic Singlechip software decoder to receive the procedure, the password using I2C bus EEPROM in existence

该文档是一篇毕业论文，硬件和软件齐全，历时一个月完成，非常不错-This document is a thesis, complete hardware and software, took a month to complete, very good