What is a microcontroller? Monolithic way of working! Monolithic integrated circuit study for knowledge

Exchange of Experience

I. the concept of SCM

In one IC chip integrated microprocessor、Memory、I/O interface circuits，So as to constitute a single chip micro-computer，Single-chip microcomputer。

Two. SCM uses

Industrial Automation：Data acquisition，Measurement and control technology;

Intelligent instrument：Digital oscilloscope、Digital signal generator、Digital multimeter、Induction ammeter;

Consumer electronic products:Washing machine、Refrigerator、Air conditioning machines、Mobile phones;

Any control or simple calculations related to the electronic device can be used to achieve single-chip，And then select a different performance depending on the actual situation monolithic[……]

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Java development environment Introduction

Java Linux Windows X

DESCRIPTION

JDK (Java Development Kit) is a Sun Microsystems product for Java developers。Since its launch Java，JDK has become the most widely used Java SDK。JDK Java is the core of the whole，Including the Java Runtime Environment、Java tools and Java Foundation Classes。The first step is to learn the Java JDK。No JDK can not compile Java programs，If you only want to run Java programs，To ensure the appropriate JRE is installed。

The JDK package[……]

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How to install Linux under the C development environment

C Linux

Foreword

This article will guide you with detailed steps to deploy C-language development environment under Linux，Due to numerous Linux distributions，Specific circumstances vary，As used herein, the classic example of RHEL5。

Installation under Linux C development kit

Linux C development kit can be installed under the yum service，You can also use iso CD installation source files via the command rpm，Here are the source files using iso CD installation kit。

1、Mount CD

  1. In / media New Folder cdrom ：mk[……]

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C development environment under Linux Introduction

C Linux

Lead

Linux operating system kernel is mainly written in C，Many Linux software is written in C，For example, MySQL、Apache, etc.。Beginners When compiling such software，You will encounter a variety of errors，Just a preliminary understanding of the Linux C development environment，Preferences can resolve some errors during installation。

Linux's C Development Kit

Linux and Windows C development environment is different，Under Linux，A complete C development environment consists of the following three components：

1、Library: glibc[……]

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Suggest a DjVu and PDF online conversion system conversion site

Exchange of Experience

Profile

DjVu is a relatively new alternative to PDF document format，This format is not how seemingly common in China，If you suddenly hand this e-book format，Do not panic，Pocketed the Internet to find this is the only all network provides online conversion to PDF DjVu website，Support section Chinese，It is not difficult to use。

This is the website address：

http://www.djvu-pdf.com/?language=cn

Course

1、The conversion process is not fast nor batch conversion，Open Home[……]

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An Zhuozhi to everything can install third-party TV software market

Windows X

Foreword

Before I'm sorry because I neglect the most important step to be omitted ...... resulting software tool impossible to find TV ...... now make up the volume。

NowSmart TVMore and more，In fact, one might as well sayAndroid TV BoxSo that。Download charges，Pay TV Pay movies online watch，Free can only see three minutes is not that also the death card death，Finally it comes with a software download is also a supermarket "An error occurred when parsing the package" was undoubtedly tears，Fortunately, they are used in order to reduce the cost of ready-madeAndroid Platform，Here，Route to teach you a way to make these[……]

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ARUBA MSA1100 AP thin fat transfer configuration

The internet

Foreword

The recent start of a aruba AP，That has recently been very fire MSA1100，Although the configuration interface is the CLI，But as a Cisco engage in so many years of hard to force the siege lion mention of course，The advantage is that the AP can fat can thin，Under the so-called family have to say it was business。

model

There are three models MSA1100 system products，But unfortunately，I got this is the lowermost section 2110A，G to support even the highest standard，Some small regret。

MSA1K-2510A 500MW 802.1b[……]

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HID keyboard device in Parallels Desktop 9 keeps connecting and disconnecting the solution

Mac OS

phenomenon

* In the 9.0.23 version of the PD，If you install the operating system of Windows，You will encounter a small bug，That is the forum said everyone in the discussion about Caton。

description

This is accompanied by Caton tone of，You open the speaker volume，You will hear a similar tone plug U disk，After investigation found the device，Or two，One is the HID keyboard device，Another is the concomitant of USB drive，The result is that both resulted in several more outrageous every once in a while，grab your mouse by the way[……]

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Internet access via PPTP VPN authentication

The internet

Scenario Analysis

Many people want to build one of their ownWIFI_WEBCertified Network，The main technology used is Portal (Portal），It can authenticate legitimate users through WEB page。Through this technology to do a certified third-party solutions haveWIFIAP、WIWIZ，Both companies are more representative。According to my investigation，Wah also Portal Solutions，Cisco alone I have not found related solutions (RS it in this field，I did not learn Cisco wireless)。So I want to use other techniques to achieve my purpose。now android phone[……]

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Linux in the shutdown and restart

Linux

REVIEW

In the Linux operating system among，Some common features with the familiar Windows operating system is the same or similar operations，At the current terms of the Linux Desktop，It is quite routine office，but，If you still use Linux systems to run services，That you may have to deal with the text on the big screen，at this time，Even the most basic shutdown may become a big problem。

basis

[warning]In the Linux operating system among，Command can be used to shut down a good number of，Different distributions may not all support this[……]

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Digital convergence、Triple Play、Triple play

Exchange of Experience The internet

REVIEW

Triple play、Digital convergence、Triple Play is actually said the same thing，But this is different in different regions called Bale。This technology is not China Unicom、mobile、Fusion Telecommunications three communication networks (While it is true that the Big Three has cut constantly tangled lingering，But here's the reason why the variously termed privations，It is to show，This triple play，Nor that triple play。) Personally，Routing'd prefer triple play or Taiwan statement called the digital convergence。

Definition

Triple play is a generalized、Socialization argument，At this stage it[……]

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WordPress set selected text color and background color

Wordpress

In the optimization blog to help a friend when encountered such a problem，Custom blog was selected text color color。

This requirement can be achieved by modifying the style.css，Concrete is added to the following fields in the corresponding file style.css：

background-color behind the color of the selected text color color。
Color color behind the selected parameter is displayed as text。
::HE[……]

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CentOS install VNC Server Remote Desktop Comments

Linux

Because schools have several HP server idle，I was thinking up the fiddle fiddle，Although ssh wonderful，But as a not-for CLI proud I still prefer white GUI。。。So，Consideration for a long time，We decided to come to a VNC remote desktop，As to penetrate the network，To be honest I'm still trying them

=。=

All right，Now we start，First talk about my system environment，It is Redhat 6.2，Well of course, no registration，I'll simply changed CentOS 6.2，so，Desktop environment is there，Gnome is 2，I do not installed。

Afterwards[……]

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vMotion fails with the error: remote host IP_Address failed with status Busy (1031636)

Big Data Virtualization

I was doing a clustervMotionI encountered this error，He said there has beenGeneral system error，Unable toCertainVirtual machine migration toCertainHost computer。Probably the error is as follows Jiangzi

I found everyone in the country seems to have not encountered this problem =。=! I met wonderful good，So write it，In? VM official website where there is this one KB，I found it，But this error occurs in older versions of ESX and ESXi ah，depressed。but，The solution is to make good，I would simply translate in lower，You make do see it!

 [……]

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Configure DNS to resolve the unit root on a Windows Server

Windows X

This approach has now been found a point of malpractice Kazakhstan，Configure the root cause will resolve the transponder failure，That can not be forwarded up the DNS =。=

 

This tutorial is in line with "About Installing vCenter environment in a non-domain controller solution"This article is written，Hosts file is actually an easier way is to modify the system's native parsing can be added directly，However, this does not seem to do the reverse analysis? Here I am not sure because I do not have such tests，All right，We honestly to add a dns now!

First, find the Server Manager，[……]

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About Installing vCenter environment in a non-domain controller solution

Windows X Virtualization

During the installationvCenterwhen，In earlier versions it is generally to tie the domain controller? To complete，That has joined a domain and non-domain controller computer up to install vCenter，of course，Deployed to the ESXi hostapplianceThis is not within the scope of。

In vSphere 5.1 and later versions of them，VMware introduced a new service，This service is now also seem to most people criticized，That issign in（Single Sigh Onservice，That SSO)，Use this[……]

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For the correct AD user password can not log vCenter Web Client solutions

Windows X Big Data Virtualization

In the build a good vCenter Web Client，And registered vCenter Server after that，Open the appropriate Administration page with a browser，It was found in any case not log on，prompt"Invalid credentials provided”。

Finally log in on the still blank，Apparently without permission of the account，View full name of the account，That actually is the host vCenter installation of a local administrator account (forgive my brain capacity is small bar，I put all the administrator administrator accounts are set up with a password ......)[……]

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About Installing Windows Server in VMware virtual machines 2008 R2 does not recognize the card solution

Windows X Big Data Virtualization

Install Windows Server in VMware virtual machines 2008 R2 does not recognize the card，Drive can not be found，Many people say that because the default VMware NIC Model AMD PCNet AM79C970A，Not compatible with lead。Then modify the virtual machine configuration file，Manually modify the network card model

See here

I used anothersimplerThe way to solve this problem before you install Make sure that you have installed VMware tools Oh!

================

exist[……]

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