Smart Door Locking System

A well-made traditional front door lock will be enough when it comes to securing the front entrance. Its inner mechanisms have been developed for nearly two centuries and are tried and true. However, considering this: A “smart door lock” can offer totally new dimensions to the ease, utility, and security of a lock thanks to technological advancements. Some of the benefits of having smart door lock are as follows: considering the following scenario: As a person approaches the front entrance with arms full of shopping, the door lock identifies his/her smartphone and unlocks instantly. When a person is not at home, he might want to give access to relatives, friends, guests, or service providers, so he can simply text them a code. When a person is away from home and wants to know who opens the door or be notified when someone does, a smart door lock can do all of these advanced features. A mix of wireless technologies such as Bluetooth and Wi-Fi is used to control smart lock using Smart Lock Application from a place wherever Internet access is available. In this chapter, various smart lock systems using Bluetooth, Android, and Arduino are analyzed.