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AUTOMOBILE SECURITY SYSTEM USING DIGITAL
PASSWORD
ABSTRACT
An electronic lock or digital lock is a device which has an electronic control assembly attached to
it. They are provided with an access control system. This system allows the user to unlock the
device with a password. The password is entered by making use of a keypad. The user can also set
his password to ensure better protection. The major components include a keypad, LCD and the
microcontroller. This article describes the making of an electronic code lock using the 8051
microcontroller.

BLOCK DIAGRAM

KEYPAD

MICROCONTROLLER

LCD DISPLAY

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Automobile security system using digital password

  • 1. AUTOMOBILE SECURITY SYSTEM USING DIGITAL PASSWORD ABSTRACT An electronic lock or digital lock is a device which has an electronic control assembly attached to it. They are provided with an access control system. This system allows the user to unlock the device with a password. The password is entered by making use of a keypad. The user can also set his password to ensure better protection. The major components include a keypad, LCD and the microcontroller. This article describes the making of an electronic code lock using the 8051 microcontroller. BLOCK DIAGRAM KEYPAD MICROCONTROLLER LCD DISPLAY