Authors:- Akansha Saxsena, Rahul Choudhary, Alok Tiwari
Abstract:- The main goal of this article is to use an android application to open a hotel room door using a password entered through the android application device. The use of a smart card is required to open and close the hotel room door. The hotel room door is opened and closed using an Android application. The owner may connect an Android application device to the system through Wi-Fi, which is then linked to a microcontroller-controlled door that can be opened and closed by inputting the password. Any Android-powered smartphone or tablet may perform remote control using a touch-screen GUI (Graphical User Interface). This article is based on the Android application, which sends data through Wi-Fi. Another Wi-Fi device is attached at the receiving end and feeds information to the microcontroller. The supplied data (the user's password) matches the password stored in the microcontroller, and the microcontroller then begins a mechanism to unlock the door through a motor driver interface. The integration of Wi-Fi and Android technologies will provide timeliness, security, and the abolition of smart cards.
Keywords:- Android Application, Password-Protected, Remote Door Unlocking, Wi-Fi
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