This work aims to develop a system that allows user authentication and
access validation, using IoT (Internet of Things) and RFID (Radio Frequency
Identification) technologies, along with the ESP32 microcontroller and a device such
as a mobile phone or computer. The user, through an RFID tag, will validate their
access, which will be checked in real-time in a Firebase-hosted database. The
system will then proceed with the authentication and decide whether access is
authorized or not. To achieve this goal, it was necessary to integrate hardware and
software resources, using Firebase Realtime Database for data storage and
management. The chosen development platform was the Arduino IDE, and the
ESP32 board was used as the main microcontroller, with the assistance of actuators
to control access. This work aims to provide the user with the ability to monitor and
control access in a practical and efficient manner.
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