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Electronic voting machine has now replaced the traditional mechanism of voting due to several advantages like security, automatic counting etc. Electronic Voting Machine using , as the idea suggests today we will be working on developing EVM using micro-controller , we will. PREFACE We take an opportunity to present the project report on “Electronic Voting Machine Using Microcontroller” and put before users some useful.

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Even if, for whatever reason, the machines cannot name the winner of an election, then the paper ballots can be recounted, either mechanically or manually, to gain progressively more accurate election results. Microcontroller has 2 16 bit timers and counters.

More candidates mean implies complicated circuits. Our contribution to this is an approach where all secret information is encapsulated in the voting machine.

Electronic Voting Machine Using Microcontroller (AT89C51)

Because biometric identifiers cannot be easily misplaced, forged, or shared, they are considered more reliable for person recognition than traditional token or knowledge based methods.

The input part consists of a set of six tactile switches. It’s just a name for a standard that has propagated from generation to generation of computers.

Here we have used 16 x 2 Alphanumeric Display which means it can display two lines with maximum of 16 characters in one line. A beeper is offered for audio effect of the switch bounce.

Voter-verifiable audit trails are required in some U. A Polling-officer switch is provided to avoid numerous polling by only voter. It is still important to verify somehow that the binary program images running in the machine correspond to the source code and that the compilers used on the source code are non-malicious. Of course, open source would not solve all of the problems with electronic elections. There are five interrupt sources in Microcontroller. He has 8 years of experience in Customer Support, Operations and Administration.

His original design using Integrated Circuits was exhibited to the public in Government Exhibitions held in six cities across Tamil Nadu. An EVM consists of two units, control unit and balloting unit.


The resistance is varied by The simplest way to do this was to pass a series of 1s and 0s to the computer. Basically Bus is a collection of wires which work as a communication channel or medium for transfer of Data.

A 16×2 LCD display is very basic module and is very commonly used in various devices and circuits. The tip of soldering iron was kept clean with the help of a file from time to time. The count of votes is stored in four different variables. An LCD display is offered to display the total votes count polled, and separate contestant -vise votes polled. As long as the computer output bits at the pre-determined speed, the printer could listen.

The two units are joined by a five- meter cable.

Choosing Motor For Robots. Buses are of two types: So the Electronic voting system has to be votig based on the current technologies viz.

The microcontroller based digital lock for Doors is an access control system that allows only authorized persons to access a restricted area. The most common type of resonator used is the quartz crystal, so oscillator circuits incorporating them became known as crystal oscillators, but other piezoelectric materials including polycrystalline ceramics are used in similar circuits. It is an electronic component.

In this paper we describe the design, construction and operation of a digital voting machine using a microcontroller profoundly. SPI Module of Arduino. The precautions taken during the soldering were: The message stays on the screen until the next user either presses the Init button to cast another vote or Stop switch is pressed get the poll results.

Deshmukh, Head of the Department of Electronics and Telecommunication Engineering for the support and facilities in the labs. The on-chip Flash allows the program memory to be reprogrammed in-system or by a conventional non-volatile memory programmer.

LCD based voting machine using 8051 microcontroller (AT89C51)

This is the perfect madhine for engineers to test their microcontroller designs before constructing a physical prototype in real time. For safety and ease of replacement, the use of I.


This system allows the user to unlock the device with a password. The only disadvantage of LCD over seven segment is that seven segment is robust display and be visualized from a longer distance as compared to LCD. The simple programming of this project can be written in assembly language, and it is dumped into the microcontroller to accept votes and, to keep calculating the total votes polled.

We shortly sketched an approach to prove an error or a manipulation in the voting booth without violating ballot secrecy. Buttons are typically made out of hard material, usually plastic or metal. Interface SD Card with Arduino.

C should not be heated much while soldering; too much heat can destroy the I. Press clear switch when all entries are required votng be erased.

After some delay, the result is displayed which miceocontroller be either declaration of the winner candidate or the candidates with a clash of their number of votes. Such open design processes have proven successful in projects ranging from very focused efforts, such as specifying the Advanced Encryption Standard AES [23], through very large and complex systems such as maintaining the Linux operating System.

Microcontroller Based EVM-Electronic Voting Machine

Interrupts gives us a mechanism to put on hold the ongoing operationmirocontroller a subroutine and then again resumes normal program execution The Microcontroller can be configured in such a way that it temporarily terminates or pause the main program at the occurrence of interrupt. C pin no 1 should be made sure at right hole. However, miicrocontroller was only a proof of concept and for a practical application the usability of this approach needs to be further improved.

This project presents a way to develop an electronic voting machine which displays the count of votes on a 16×2 LCD interface.