Introduction of Keyless Mobile Controlled Locks System:

The main objective of a keyless mobile controlled locks system is to unlock a garage door (different type’s door) by a mobile phone using a unique password entered through the keypad of the phone. The opening and closing of garage doors involve human labor. In this password system, the opening and closing of a garage door are achieved by using a mobile phone. The owner can call a mobile phone interfaced with the system which in turn is connected to the garage door that can open/close the door by entering the password.

This project is based on the concept of DTMF (dual-tone multi-frequency) technology. Every numeric button on the keypad of a mobile phone generates a unique frequency when pressed. These frequencies are decoded by the DTMF decoder IC at the receiving end which is fed to the microcontroller. If this decoded values (password entered by the user) matches with the password stored in the microcontroller, then the microcontroller initiates a mechanism to open the door through a motor driver (L293D IC) interface.

The objective of this project is to develop a device that allows a user to remotely control and monitor a garage door using a cellular phone. This system will be powerful and that will provide this service at any time, and from anywhere. for more information Click here.

Advantages of Keyless Mobile Controlled Locks System:

The system is taking advantage of a mobile phone Easier to use Cost-effective Wireless connectivity Physical Appearance not required Can be accessed from any remote location globally. The highly secured system that protects the cracker and hacker.

Disadvantages of Keyless Mobile Controlled Locks System:

No network coverage area High keypad tones required Less compatible in touch screen mobile.

CONCLUSION:

Admin can open the lock from anywhere in the world by use of cell phone. All you need is to carry your cell phone and you can control your Door locks remotely from any location of the world. Access is granted when the special code is inserted via mobile phone and the controller receives the signal. This project is very effective due to its security from hackers and crackers. In the future the popularity of this system will grow day by day as the drawback of this system is very limited.

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