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1. FINGERPRINT BASED ELECTRONIC VOTING SYSTEM
DESCRIPTION:
According to ancient Greek scripts BIOMETRICS means study of life.
Biometrics studies commonly include fingerprint, face, iris, voice, signature, and hand
geometry recognition and verification. Many other modalities are in various stages of
development and assessment. Among these available biometric traits, Finger Print proves
to be one of the best traits providing good mismatch ratio and also reliable. To provide
perfect security and to make our work easier, we are taking the help of two different
technologies viz. EMBEDDED SYSTEMS and BIOMETRICS.
Firstly discussing about Biometrics we are concentrating on Fingerprint scanning.
For this, we are using FIM 3030N high voltage module as a scanner. This module has in-
built ROM, DSP and RAM. In this, we can store the fingerprints of up to 100 users. This
module can operate in 2 modes i.e., Master mode and User mode. We will be using
Master mode to register the fingerprints which will be stored in the ROM present on the
scanner with a unique id.
The main aim of this project is to avoid rigging completely. Electronic voting
systems have come into picture to prevent rigging up to the maximum extent. But even
there may be some malfunctions during elections. Thus, fingerprint based electronic
voting system has been designed. When a person wants to register himself in the voter
list, he has to provide his complete details along with his fingerprint image. Thus, when
the same person comes to poll his vote during the elections, he needs to give his
fingerprint image before polling his vote. Thus, the system scans his fingerprint image,
compares the image with the already stored image. If both the images are matched, the
person can enter into the room to poll his vote by opening the door, and it will be closed
after some delay. If not, the system simply alerts the buzzer not allowing the voter to poll
his vote. The DC gear motor rotates in clock and anti clockwise directions to open and
close the door.L293D is a driver to operate DC gear motor. LCD is used to display the

2. related messages. There is three buttons for three parties. We can poll votes through
respective switches.
Here we use 8051 as a microcontroller with 5v DC Power supply. Serial (UART)
protocol is primary concern here. The heart of this project is Bio metric module which
works on serial (UART) protocol. 16X2 LCD display is connected to microcontroller
through digital I/O pins.
TECHNICAL SPECIFICATIONS:
HARDWARE:
Micro controller : AT89S52
Crystal : 11.0592 MHz
LCD : HD44780
LED : 5mm Red LED
Line driver IC : MAX232
DC gear motor (10/45/60/100 r. p. m)
Driver IC : L293D
Bio Metric Module
Basic GPIOs
Buzzer
Switches
POWER SUPPLY:
Transformer : 12V step down
Filter : 1000uf/25V
Voltage Regulator : 7805 / 7812
SOFTWARE:
 Software tools used
 Keil IDE
 Proteus VSM
 UC flash

3. APPLICATIONS:
 Elections
 Public
 Private
BLOCK DIAGRAM:
POWER SUPPLY BLOCK DIAGRAM:
8
0
5
1
8
0
5
1
Finger
Print
Module
Finger
Print
Module
Power
Supply
Power
Supply
Step down
Transformer
Filter Regulator OutputBridge
Rectifier
BuzzerBuzzer
16X2
LCD
16X2
LCD
Max 232Max 232
Sw2Sw2
Sw3Sw3
Sw1Sw1
L293DL293D DC gear
motor
DC gear
motor