Electrofriends

Hi All,

This is the one stop educational site for all Electronic and Computer students. If you want to learn something new then we are here to help. We work on Microcontroller projects, Basic Electronics, Digital electronics, Computer projects and also in basic c/c++ programs.

Here you can also publish your Projects, Articles, Software programs or any Seminar resources. It will be published under your name. Click here to submit your projects.

...bringing innovative minds together

microcontroller

Electronic Identification and Personal Information card using 8951 Microcontroller

Electronic Identification and Personal Information card using 8951 Microcontroller

Preface: – Presently there are many types of cards available such as punch cards, magnetic cards, optical cards but all are having the disadvantage of performance degradation as we use them.
Other disadvantages are: -

They can not store much information.
They can not be read from a distance.
They lose their data if placed under magnetic field or [...]

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Basic Electronics

Wireless Data Transmission between Computers using Sequence Detector

Wireless Data Transmission between Computers using Sequence Detector

ABSTRACT
Here for the purpose, we have made four distinct stages for the effective implementation .The stages are described in brief as follows. In the first stage, we are constructing the transmitter circuit that transmits data and sequence bits at infrared frequency. Now the second part is to develop receiver circuit that receives infrared signals coming [...]

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Computer Programming

Sudoku Solver using C++

Sudoku Solver using C++

You have seen it in the news papers, you have seen it in the magazines or in the web sites, you might have sat hours ‘n hours to solve it. Yes, it is the king of all number puzzles, it is “SUDOKU”.
We bring to you the ultimate solution for all your struggles, The SUDOKU Solver.
As [...]

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Source Codes

Java program to display Domain name service (DNS)

Program : Domain name service (DNS)
By : Kapil Lohia

 
import java.net.*;
 
class dns
{
public static void main(String args[]) throws Exception
{
try
{
InetAddress[] address=InetAddress.getAllByName("java.sun.com");
for(int j=0;j<address.length;j++)
System.out.println(address[j]);
}
 
catch(Exception e)
{
System.out.println("Error in accessing Internet :"+e);
}
}
}

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Seminar Resources

Wi-Fi Technology

Wi-Fi Technology

Electrical technology has been greatly enhance  with the introduction of  wireless communication. Wi-Fi is the one among the achievements. The term Wifi stands for Wireless fidelity. Wi-Fi is a brand originally licensed by the Wi-Fi Alliance to describe the underlying technology of wireless local area networks (WLAN) based on the IEEE 802.11 specifications. It was [...]

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Seminar Resources

Introduction to PCI protocol

Introduction to PCI protocol

Today’s computer systems, with their emphasis on high resolution graphics, full motion video, high bandwidth networking, and so on, go far beyond the capabilities of the architecture that ushered in the age of the personal computer in 1982. Modern PC systems demand high performance interconnects that also allow devices to [...]

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