Gsm based door lock system

Abstract

In this work, we analyzed the door lock and unlock system using GSM. Today's world be it offices, laboratories, school or home the first thing which concern is the security. In order to make your data, money, premises and personal belonging safe and secured from unauthorized person. This paper represents a GSM based door lock system to controlling of door lock by short message service. In this security system we are using ARDUINO microcontroller, GSM module, Keypad, LCD display, Motor drive, DC motor and Buzzer. Interface Matrix Keypad is the main aspect of the project. ARDUINO microcontroller is controlling the whole driver unit. It is used for communication. The GSM system for sending the alert message on mobile for unsuccessful attempts of password. A keypad module is used for entering the password for authentication. Once the password entered is incorrect the unsuccessful message will be displayed on the LCD screen. GSM module gets triggered and the registered user gets a message, the buzzer connected will be initiated to alert the people or the security official in the surroundings.