How to Talk Using Bluetooth on Android

Android Phone as Walkie Talkie System

How to Talk Using Bluetooth :- Do you know you can use your Android phone as a classic Walkie Talkie system! Yes, by using some apps you can do this. In a typical Walkie Talkie system, you have a set and you can talk directly to other sets within a short range. By using your Android phone as Walkie Talkie you can talk to your friends without any internet connection or a cellular network; that’s why it is completely free.
But what are the benefits of using Bluetooth talk apps? There are several benefits like

• Free internal communications in office, factory, schools, and universities.
• It can be used by security personals.
• It can be used on noisy construction sites.
• Communication in a big house or building using it as Walkie Talkie.
• Fast File transferring between two androids.
• It could be used as Baby monitor in continuous transmitting mode.
• In outdoor games like horse racing, in a stadium etc.
• In noisy share and trading market place
• As simple home or shopping mall intercoms.
• Kids play games as Walkie Talkie.

Bluetooth Basics

Bluetooth is a wireless technology to connect digital devices and enabling them to send and receive small data packets directly to each other. That means you can send photos and songs from your PC to Mobile and vice versa. Sharing files between two mobile phones is very easy and every feature phone has the Bluetooth functionality now days.
Bluetooth is invented by Ericsson in 1994 and named after a Danish (Denmark) king Harald Bluetooth who had united all Small Danish tribes in one kingdom.
Bluetooth is implemented by frequency-hopping spread spectrum technology using short wavelength microwaves to send and receive data. The frequency of Bluetooth is ISB Band starting from 2400 Mhz to 2480 Mhz.

Versions and Range of Bluetooth

The latest version of Bluetooth is version 4.0 with a data rate 24 Mbit/Second. The range of Bluetooth depends on various factors like propagation conditions, material coverage, production variations, antenna configurations and battery power. However a typical range of Class-2 Bluetooth Devices is 25 meter approximately and for Class 1 device it can reach up to 100 meters.

How to use Android as Bluetooth Walkie Talkie set

It is very simple and easy, just enable your Bluetooth and set visibility on. Install one of these apps in your both android phones which you want to use as Walkie Talkie set.

Apps for Bluetooth Talk on Android

There are several Apps available for Bluetooth Talk, some are Wifi Wiki Talkies and depends on Wifi Router while some apps uses Internet connection to send and receive full duplex voice data.

1. Bluefi

bluefi-talk-using-bluetooth How to Talk Using Bluetooth — How to Talk Using Bluetooth

Full- duplex voice communication using WiFi (connected to the same hot spot) or by a secure Bluetooth connection. But you have to check that your wireless router has to support multicast packets, otherwise it won’t work.
Features of Bluefi
You can make a Contact list
Associate a phone to a specific contact
Encrypt Bluetooth channel for security
You can Ping a contact (long hold on contact for option)
Receive notifications when someone pings you
Receive notifications when your friend comes online for WiFi communications
You can customize many settings as per your requirement
A specific BlueFi entry can be associated to both a WiFi & Bluetooth device simultaneously.
Download Bluefi

bluefi-details How to Talk Using Bluetooth — How to Talk Using Bluetooth

2. Walkie – Talkie via Bluetooth

Wlkie Talkie via Bluetooth developed as a school project. It establishes communication between two Android Mobile devices via Bluetooth.
Download Walkie Talkie

3. Wi-Fi Talkie

wifi%20talki How to Talk Using Bluetooth — wifi talki, wifi talki, How to Talk Using Bluetooth

Wi-Fi Talkie is an app for voice chatting, file transferring and messaging within your local Wi-Fi network. You don’t need the internet or cellular network. You can talk to many Smartphones using it.
Download Wifi Talkie

wifi-talkie-for-android How to Talk Using Bluetooth — How to Talk Using Bluetooth

4. TiKL Touch Talk Walkie Talkie

Tikl Touch Talk Walkie Talkie is completely free without any ads. It is a good Push to talk Walkie Talkie with instant messenger functions. You can quickly do one on one or to a group voice push to talk calls. But it uses your internet connection and doesn’t work with Bluetooth.
Download Tikl Touch Talk

5. Voxer Walkie-Talkie PTT

Voxer is a very famous live Walkie Talkie push to talk app. You can send voice messages, text, and photos and share your location to your friend or group of friends.
Download Voxer Walkie Talkie

6. Personal Mobile Radio LITE

Personal Mobile Radio works as Walkie Talkie set. You can speak to many friends in real time with high quality voice. This app uses Wi-Fi technology by router, Wi-Fi Direct or mobile access point. You don’t need Internet connection to use it except receiving ads in free version. It has full duplex option that means you can talk and listen simultaneously with this Walkie Talkie app. The skin of app is like real Walkie Talkie.
Download Personal Mobile Radio Lite

You can use Bluetooth range extenders if you want to use these apps in a large area.

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How to take back up of files easily

How to take back up of your important files easily

How to take back up of files easily :- There are lots of files in your computer, you connect many devices like Smartphone, laptop, digital camera and copy files from them to your computer. Sometime you want to keep a back up of files from other device, or you want to put both the devices exactly in sync. For this, you manually copy-cut-past files between two devices. This is very hard and time consuming. But now there is a better and easy way to do this with Microsoft’s free power toy called sync toy.

Microsoft’s sync toy

Microsoft’s sync toy is a free application utility for synchronization of files and folders between two locations. You can share files and take back up of files and folders. It can handle multiple set of folders. Download it from here

After download and install, the program will ask you to make a pair of folders For synchronization you have to choose to location for sync. It gives you three option; Synchronize, Echo, Contribute. if you want to take back up of your files in your pen drive / usb flash drive make a folder in it . and sync it with folder in your computer.

How to take back up of files easily sync_toy — How to take back up of files easily

Synchronize: New and updated files are copied both ways. Renames and deletes on either side are repeated on the other. Thus both the folder becomes exact sync copies of each other.

Echo: New and updated files are copied left to right. Renames and deletes on the left are repeated on the right.

Contribute: New and updated files are copied left to right. Renames on the left are repeated on the right. No deletions.

You can make multiple pairs of folders as per your requirement and sync them.

How to take back up of files easily folder_pair — How to take back up of files easily

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How to surf Internet Anonymously

Anonymous Browsing with Democrakey

How to surf Internet Anonymously :- Do you want to surf the Internet anonymously and securely without exposing your search history, form fill, your location, your ip addres; you can take help of “Democrakey” suit. This is a great free portable app for anonymous browsing, which means, you can make your or any unknown computer safe and secure in just a second using this security tool. Plus it scans the unknown computer for any Malware or Antivirus and you can visit blocked sites with the help of inbuilt Tor browser.

What Is Democrakey?

The DemocraKey is a freeware and was invented by Kirk, in response to government probing and censorship in China and the United States. Democrakey suit contains following useful portable tools in it’s 150 MB size. Although a lite version of 50 MB is also available for ipod.

Calmwin Virus Scanner

Thunderbird Email

Tor Browser

Tru Cript

Abiword

How to use Democrakey

Download Democrakey from here (http://sourceforge.net/projects/democrakey/)

You can install Democrakey to a USB Pen Drive, iPod, PC or even an external drive. After installation, double click the StartPortableApps.exe. Democrakey makes A Graphic user interface for your and launches a start menu from where you can launch all applications.

So, whenever you visits a cybercafé or use the internet on any unknown computer use democrakey from pen drive and surf without any tension.

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How to remove unwanted toolbars from Firefox, IE & Chrome

Annoying and Unwanted toolbars

How to remove unwanted toolbars :- Are your browser window crowded with unwanted toolbars, and your default homepage and default search engine changed, well we all faced that bad situation, and tried to manually remove the unwanted toolbars and tried to set our default search back but failed again and again. This is very frustrating situation, unwanted toolbars takes much the space of your screen, and some toolbars opens automatically while surfing the internet with ads.

Attacks on your browser

Sometimes when you install a Software, Game, or browser plug in, unwanted toolbars get installed to browser automatically, and it changes Homepage and default search engine also. Some software asks during the installation that whether you want to add our toolbar and home page. You can unselect that option at that time. But some malicious software, malware or adware install them without your permission. Following are some common examples

Annoying software

(How to remove unwanted toolbars)

Search.Conduit.com, Babylon, FunDial, FunMoods, MyStart.incredimail.com or MyStart.incredibar.com, Search.snap.do,Qvo6 or Portaldosites.com, SweetIM, SearchNu.com, PlusNetwork.com, Delta Search, Pinterest.aot.im

Manual Removal

It is quite difficult to remove these unwanted software and plug ins and restore your defalt browser setting. It becomes more painful if you use more than one Browser like firefox, Google Chrome, Internet Explorer.

Avast Browser Clean-up Tool

(How to remove unwanted toolbars)

This tool comes very handy in cleaning of all your browsers at once. It comes with Free Avast Antivirus software. Or you can download and install this little useful tool as a stand alone program from this location. Link Clean-up Tool

This new tool from Avast serves to delete annoying and unwanted toolbars and plug-ins from your browsers very easily.

Just install and run this utility, it will automatically detect all your browser and show them in left hand side. Select one browser and disable or remove permanently all the annoying toolbar.

This will solve your problem, additionally scan your computer with anti Malware software.

(How to remove unwanted toolbars)

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How to make a Bootable pen drive

Bootable USB Drive

How to make a Bootable pen drive :- When your computer does not starts normally due to some problem in operation system, You need to boot or start it from some external source like a CD or pen drive. This is called the Bootable CD or Bootable pen drive. You have to prepare and keep this type of bootable CD or Usb flash drive well in advance.

pen_drive How to make a Bootable pen drive — How to make a Bootable pen drive

Why you need a bootable pen drive

Bootable pen drive is very useful when your operating systems corrupts and doesn’t boot or in other words does not starts. Hardware geeks keep a bootable CD ready to face this situation. But you can make a bootable pen drive. This would be convenient to carry a pen drive than a CD, you can put it in your pocket and can repair your friends corrupts operation system easily.

Make a bootable Pen Drive

In order to have a bootable pen drive, You will need a blank pen drive and some bunch of Freeware.

Step-1

USB Disk Storage Format

This is a small freeware utility to format the USB drive with FAT file system. Download and install this freeware and format your pen drive choosing FAT file system. Download it from here

Step-2

Grub4Dos a boot manager

This is a boot manager or loader of GRUB4DOS it can be used in many ways. Download this from here.

Download and extract the zip file of this tool, then run the grubinst_gui.exe file.

In the option box select the pen drive in disk section, select the disk which has same size of your pen drive.
Click Refresh button.
Choose “whole disk (MBR) in Part list
Click Install Button

Step-3

Copy Bootable CD in pen drive

Now you pen drive is ready to put bootable CD content in it. There are several bootable CD and rescue CD in the market. We are taking “Hiren’s Bootable CD” here, which is quite famous among hardware geeks.

Download the Hiren’s Bootable CD Image from here

Unzip it and extract all the content of it.

Copy all the files and folders form CD to pen drive

Copy “grldr and “menu.lst” from HBCD folder to the root folder of USB drive. At the end all will look like this.

Hirens_bootable_cd How to make a Bootable pen drive — How to make a Bootable pen drive

Hurray!!! You have reached the destination, now you have an excellent tool to rescue your system in the form of a pen drive.

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