I. this project we use fingerprint recognition module. This


modules of the proposed system are explained below: There are 4 modules;

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Finger print recognition module

Smart card reader

Alcohol sensor

Seat belt detector

a.  Finger print recognition module:

There are
different types of biometric identification methods employed in access control
like fingerprint recognition, facial

recognition. Biometric identification technology increase the security
level of systems. All biometric identification devices work similarly, by
comparing the template stored in its flash memory to the real time scan
obtained during the process of identification. In this project we use
fingerprint recognition module. This biometric device can store physical images
in binary form. Later the binary versions can be used to authenticate the user.
When the person put the finger on the reader, the LED will emit an IR rays. The
rays are absorbed by hemoglobin in our blood. The IR rays absorbed part will be
appeared as dark and remaining will be light. There is a CCD camera below the
fingerprint reader. It will capture the image appeared. It will send signal to
the microcontroller.

b.  Smart card reader:

Smart cards are of two types: contact dependent and contactless. Both
types have an embedded microprocessor/controller and memory. The smart card
differs from the proximity card. Proximity card has only one function: to
provide the reader with the card’s identification number. We use contact
dependent smart card Licenses are replaced with these smart cards. Smart card
reader is interconnected into microcontroller to transmit and receive the
signals to and from microcontroller. The smart card reader can read the finger
print image that present in the smart card. The smart card contains finger
print image of that particular person. Then the fingerprint of that person who
wish to drive the vehicle have to read by the fingerprint reader. Then the
microcontroller will check the matching of these two fingerprints which was
stored in the smart card and read by the fingerprint reader.

c.  Alcohol

Here we use MQ3 alcohol sensor. Which have fast detection range and high
sensitivity. Which is specialized for detecting alcoholic gases. If alcohol is
detected then a message is passed to the microcontroller and alert the buzzer.
The message displayed on the LCD and then vehicle stopped immediately.

Seat belt detector:

In this project as a seat belt detector we are using a
switch. If the switch is ON the system
will detect that the seatbelt
has worn, else not. That is, when the switch is ON,
vehicle will start otherwise it will not start. Also the message will be
displayed on LCD


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