New Samsung B-3313

It a new launch of samsung in low range mobile phone. This phone having a look and also making a style statement of owner. The feature are also good and allow you to use some common internet application on internet. Side slide and having a qwerty keyboard.
Here Some information on this phone
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General

2G Network
GSM 850 / 900 / [...]

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Connecting Your Computer to Your TV Display

There’s one last item to discuss in regard to watching YouTube XL on large displays. Just how do you connect your computer to your television set?
The answer to this question depends on what types of connectors you have on both your computer and your television set. In general, you need to do a same-to-same connection; [...]

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TOOTHBRUSH SANITIZER

The scinence makes all mirachle for people.this is one example-you never know just how many microscopic nasties there are inside the truth brush,and just because your naked eye can”t see them
After all roaches& other nocturnal insects make your visit to bathroom&might also crawl all over your toothbrush.dispel all doubts with the bacteria assign toothbrush sanitizer.all [...]

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Secure Sockets Layer (SSL) protocol

The Secure Sockets Layer (SSL) protocol, originally developed by Netscape, has become the universal standard on the Web for authenticating Web sites to Web browser users, and for encrypting communications between browser users and Web servers. Because SSL is built into all major browsers and Web servers, simply installing a digital certificate, or Server ID, [...]

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World Class Memory Suppliers and Custom USB’s

One-stop solution for custom flash drives, computer memory and more–>> 
                  
 
 
 
Gone are the days of mundane compact disks and floppies, today computer memory has taken on an all-new form. Those of you who are thinking of the ordinary Universal Serial Bus are also a step behind. Custom USB is the name of [...]

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FISH LOCATOR WRISTWATCH

Many people spend many worthly afternoons of their lives by the bank of river or lake for waiting fpr fish to bite.
Hummingbird RF35 wrist watch comes with a unique wireless sonar sensor technology that detects fish upto 75 feet away&also those that are located 120 feet deep.this gadget will make fishing so easy.the 1.25 inch [...]

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Virtual sphere

Virtual sphere is the sphere which provides the interactive environment in a very small space. It is based on the mechanical for creating a virtual environment. For example, on the Federation Star ships the stressed crewmembers need to have some sort of outlet for exercise and entertainment. It allows the user to move about [...]

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Radio Controlled Combat Robot (Fighting robot with gun & wireless camera)

We cannot forget 9/11 when 101 people including nine foreigners and 14 policemen have lost their lives while about 300 people were injured in the worst terror attack seen in the country in which desperate men fired indiscriminately at people. our brave solders were Fought against the militants to free all the hostages [...]

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Designing of Motorola Hi-Fi power amplifier

This is a very simple, low cost, Hi-Fi quality power amplifier. You can build it 5 ways, Please follow the table (from 20 W to 80 W RMS).

Description:
The first thing that you must do, is to measure the end transistors (T3 and T4) amplifying coefficient, the hfe or ?. If their disagreement is bigger than [...]

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Designing of Stereo Preamplifier with Bass-boost

It’s a high Quality, simple design with 20 to 30V supply.
Circuit Diagram:

Parts:
P1_________________10K Log.Potentiometer (Dual-gang for stereo)
P2________________100K Log.Potentiometer (Dual-gang for stereo) (See Notes)
R1,R2_____________100K 1/4W Resistors
R3,R6______________15K 1/4W Resistors
R4_________________10K 1/4W Resistor
R5_________________22K 1/4W Resistor
R7__________________1K 1/4W Resistor
R8________________560R 1/4W Resistor
C1,C2,C5____________2?2 63V Electrolytic Capacitors
C3________________470?F [...]

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Designing of Speech Recorder

Circuit Diagram:

Parts Lists:
R1 = 1k
R2 = 470k
R3 = 10k
R4 = 5k1
R5 = 4k7
R6,7 = 100k
R8,9 = 1M
R10 = 10R
C1-10 = 100nF/63V
C11 = 47nF/63V
E1,4 = 220uF/16V
E2 = 4u7F/16V
E3 = 22uF/16V
IC1 = ISD2560 + socket
IC2 =LM78L05
IC3 = LM386 + socket
MIC = Condensator microphone
S1,2 = Pushbutton (S1 = Start and Pause. S2 = Stop and Reset)
S3 = Change-over [...]

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Designing of Amplifier 2×30W with STK465

A amplifier of acoustic frequencies can be manufactured with discernible materials, despite is known so much the difficulties of finding of materials, what the problem of regulations. These difficulties are overcome relatively easily if we find amplifier in form completed.
Completed STK465 is an amplifier of acoustic frequencies that offers qualitative output, using minimal [...]

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Designing of 18W Audio Amplifier

It’s a very high Quality very simple unit and there is no need for a preamplifier.
Circuit Diagram:

Amplifier parts:
P1 = 22K Log.Potentiometer (Dual-gang for stereo)
R1 = 1K 1/4W Resistor
R2 = 4K7 1/4W Resistor
R3 = 100R 1/4W Resistor
R4 = 4K7 1/4W Resistor
R5 = 82K 1/4W Resistor
R6 = 10R 1/2W Resistor
R7 = R22 4W Resistor (wirewound)
R8 = 1K 1/2W Trimmer Cermet (optional)
C1 = [...]

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Designing of Electronics Attenuator

Circuit Diagram:

Two low voltage, low power zeners are used to control electronically the level of an audio signal. The attenuation range is from 6 to 58dB for an input current from 0.042 to 77 mA corresponding to a control voltage from 2.7 to 7.5V. If control voltage is limited to 5V, the attenuation is around [...]

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Designing of Low pass filter – Subwoofer

The acoustic spectrum is extended by very low frequencies 20Iz and reaches as the 20000Iz in high frequencies. In the low frequencies is degraded the sense of direction. This reason us leads to the utilization speaker for the attribution of very low frequencies. The manufacture that to you we propose distinguishes these frequencies, in order [...]

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