emd分解

说明：  OTA短信相关规范及格式定义,OTA短信主要用来实现手机与服务器的资料同步(OTA SMS related specifications and format definitions, OTA SMS is mainly used to achieve mobile phone and server data synchronization)

说明：  STM32F407野火开发板相关资料，STM32F407野火v2开发板相关资料(Relevant information of stm32f407 wildfire development board)

51单片机的独立键盘，包括都懂消除，松手检测(Independent of the keyboard)

RTOS REWORKS ReWorks里一个有关信号的例子(RTOS REWORKSReWorks in a signal example of)

单片微型计算机简称单片机，是典型的嵌入式微控制器（Microcontroller Unit）， 单片机芯片 常用英文字母的缩写MCU表示单片机，单片机又称单片微控制器，它不是完成某一个逻辑功能的芯片，而是把一个计算机系统集成到一个芯片上。(Microcontroller chip microcomputer referred to, is a typical embedded microcontroller (Microcontroller Unit),     Single chip Commonly used letters of the abbreviation indicates MCU microcontroller, microcontroller, also known as single-chip microcontroller, it is not complete a certain logic functions of the chip, but to a computer system integrated into a single chip.)

该播放器实现了音频解码、视频解码、音视频同步、视频快进快退，音量大小调节

建立一个小型信息管理系统（可以是图书、人事、学生、物资、商品等任何信息管理系统）。要求： 1.使用哈希查找表存储信息； 2.实现查找、插入、删除、统计、输出等功能； (Information management system to create a small (could be books, personnel, student, supplies, commodities and any other information management systems). Requirements: 1. Using a hash lookup table storing information 2. Implement search, insert, delete, statistics, output and other functions )

Code page convertor. for Example Convert Ansy char To UTF

说明：  编程实现对bmp图像最大值，最小值，标准差，熵，各灰度值频率的计算(Programming to calculate the maximum value, minimum value, standard deviation, entropy and gray value frequency of BMP image)

这里是Arduino的频率计数器，它被用在许多项目。