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...

用AVR单片机实现的时钟芯片DS1302的SPI驱动，进行数据传输-With the AVR MCU clock chip DS1302 SPI-driven data transmission

单片机c语言教程 呵呵 早就下的了 不错了-SCM c language tutorial He He already has pretty good under the

usb接口应用文件供参考 usb接口应用文件供参考-usb interface application documents for reference us b interface application documents for reference

自已编的程序.能通过RS485总线更新单片机中的应用程序,带一程序流程图和一些说明希望能对大家有所帮助!-Made their own procedures. Through RS485 Bus update MCU applications with a process flow chart and some that I hope can be helpful to everyone!

Modbus是modicom公司提出得一种数据传送方式, 也是现在用的较多的现场总线之一,之所以它这么成功得被应用, 主要原因是因为Modbus协议的简单,和开放性较好-Modbus is modicom companies have a data transmission method is now used more fieldbus one reason why it was such a successful application, the main reason is because the Modbus protocol is simple, and openness better

空调控制器，主要根据采集信号控制空调的主机及辅助设备开关-air conditioning controllers, mainly based air conditioning control signal acquisition of mainframe and auxiliary equipment Switches

51单片机的资料，我没打开，不清楚能不能用。-51 SCM information, I never opened, can not use.

用at89s52访问MAX7219(LED数码显示）-AT89S52 visit with MAX7219 (LED digital display)

恒压供水测试程序，用的是51系列的单片机-constant pressure water test procedure, the 51 series of MCU

nRF24E1多发单收，接收程序。原理，切换接收频率。-nRF24E1 multiple single-admission, to receive the procedure. Principle, to switch the receiving frequency.