Android controlled remote password security

This document describes a password-based security system that uses a microcontroller, Bluetooth device, and Android application. The system allows authorized users to change passwords as needed and control security and access for homes, garages, and offices remotely. It provides security through password protection and ease of use through automation. The system involves pairing a Bluetooth device connected to a microcontroller with an Android application to send and receive control data wirelessly. It has applications for residential and organizational security with authorized access.