BVM-Seminar Ppt NEW

7/28/2019 BVM-Seminar Ppt NEW

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BIO-METRIC VOTING MACHINE

Submitted byS.SHRUTHI(06-493)

M.SWETHA(06-4B3)C.UDAY KANTH REDDY(06-4B4)

M.A.YASAR UL HAQ(06-4C0)


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Aim of the project

The main aim of this project is

1.To avoid the invalid votes (booth capturing),

reduction of counting time.

2.And also avoid the expenditure incurred on

manpower deployment and caring of photo ID cards

for voters for recognition.


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ARM

PROCESSOR(LPC-2148)

POWERSUPPLY

4X3 KEY

PAD

MAX 232

FINGER PRINT

MODULE

LCD DISPLAY

CAND 2

CAND 1

CAND 3

CAND 4

ENROLL

VERIFY

DELETE

COUNT

ACCEPTOR

Block diagram


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Power supply

Most of power supplies are designed to convert

high voltage AC to a suitable low voltage supply

for electronics circuits . A power supply can be divided into a series of

blocks


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CIRCUIT DIAGRAM


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ARM LPC2148

What is ARM?


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ARM (Advanced Risc Machines)

Strength

High performance

Low price

Very low power consumption

Good development environment Weakness

Lack of DSP operations

Opportunity

Mobile Computing Trend

Coming of Post-PC Age

Threat

Nothing at now


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Pin description for LPC2148


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Overview

From the programmers point of view, the ARM can be in one of

two states

Normal state: execute 32-bit, word-aligned ARM instructions

THUMB state: operate with 16-bit, half-word-aligned THUMBinstructions

Transition between these two states does not affect the processor

mode or the contents of the registers

THUMB instructions are one-half the bit width of normal ARM

instructions

Produce very high-density codes

If the memory bus width is 16-bit or 8-bit, the THUMB

instruction will be has a good performance than normal

instruction sets


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Features

Architectural simplicity

which allows Very small implementations

which result in

Very low power consumption


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ARM Registers

The ARM processor has a total of 37

registers

General Purpose Register Files (GPR) 31 general-purpose registers(16 are visible-R0 to R15), including a

program counter

These registers are 32 bits

Program Status Register Files (PSR)

6 status registers These registers are also 32 bits


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FIM30 is an evolutionary standalone fingerprint recognition module

consisted of optic sensor and processing board.

FIM 30 has functions of fingerprint enrollment, identification, partial

and entire deletion and reset in a single boardMemory capacity for 930 fingerprints

Finger print module


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The general structure of fingerprint

scanner is shown in figure


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The arch pattern. The loop pattern.The whorl pattern
http://en.wikipedia.org/wiki/File:Arch.jpghttp://en.wikipedia.org/wiki/File:Whorl.jpghttp://en.wikipedia.org/wiki/File:Loop.jpg


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Minutia extraction stage - Thinning


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Fingerprint Module Applications

Used in ATM(automatic teller machine)

centers for money transactions.

Door-lock system

Vehicle Control Simple Access


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MAX 232


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KEYPAD:

Keyboards is the most widely used input devices of the

microprocessor.


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Interfacing the Keyboard to the microprocessor

keyboards are organized in a matrix of rows and columns. The CPU

accesses both rows and column through ports.

4*4 matrix of keys can be connected to a microprocessor.

. The rows are connected to an output port and the columns are

connected to an input port.

When a key pressed, a row and column make a connect; otherwise,

there is no connection between row and column.

Scanning and identifying the key

In this scans and identifies the key is done by the microprocessor.

If no key has been pressed, reading the input port will yield 1s for allcolumns since they are all connected to high (Vcc)

If all the rows are grounded and a key is pressed, one of the columns

will have 0 since the key pressed provides the path to ground.


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Grounding rows and reading columns

To detect a pressed key, the micro controller grounds all rows by

providing 0 to the output latch, and then it reads the columns.

If the data read is all1s, no key in that row is activated and the

process is moved to the next row. It grounds the next row, reads the

columns, and checks for any zero.To detect which row the key press belongs to, it grounds one row at

a time, reading the columns each time. If it finds that all columns are

high, this means that the key press cannot belong to that row;

therefore, it grounds the next row and continues until it finds the row

the key press belongs to.


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A display circuit characterized by a liquid crystal elementsandwiched between two glass panels. Characters are produced

by applying an electric field to liquid crystal molecules and

arranging them to act as light filters.

LCD


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PIN DIAGRAM OF LCD


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SCHEMATIC DIAGRAM:


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CHECK

STATUS OF

FINGERPRIN

T MODULE

INITIALIZATION OF

MICROCONTROLLER

VALID PERSON INVALIDPERSON

PRESS ANY ONE OF 4 KEYS (CAND1- CAND 4) TO VOTE

VOTING IS COMPLETED INDICATING WITH A

GREEN LED

PASSWORD IS ENTERED BY POLLONG OFFICERTO CALCULATE TOTAL NO. OF VOTES

RESULT OF TOTAL NO. OF VOTES VOTED IS

DISPLAYED ON LCD

YES

NO

SAVE THE FINGER PRINT

READ FINGER PRINT MODULE WHEN

FINGER PRINT IS PLACED

STOP

ENROL

LDELETE FINGER PRINT IF NOT

REQUIRED

NO

YES

START


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Advantages

High security.

Only authorized person can be access the system.

There is no chance of misuse of our vote.

Can avoid the invalid votes (booth capturing), reduction

of counting time.

Disadvantages

To remove the figure print ID in system, it is only possible byauthorized person.


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1. Industrial Appliances.

2. Telephone security.

3. Bank security.

4. ATM security.

Applications


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Future scope

This project is implemented in other countries, we

hope in future our project can be implemented in

our country too.


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Conclusion

The project FINGER PRINT BASED VOTING

MACHINE has been successfully designed and

tested. Integrating features of all the hardware

components used have been developed it.

Presence of every module has been reasoned out

and placed carefully thus contributing to the best

working of the unit.


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