In the following work is developed an access control system to implement in a chain of stores. The core or main device of the work will be done with an Arduino controller.
The system developed includes a contactless access via NFC key chain, visual and audible warning of correct or failed access, an LCD to display information to the user, Ethernet and wi connection, access management in a database and the possibility to view Such data in an Internet browser using an HTML / PHP / CSS web application.