This project presents the design and implementation of a secure and user-friendly RFID and keypad-based door lock system using Arduino The system integrates two authentication methods: RFID (Radio ...
A keypad is one of the most commonly used input devices in microprocessor applications. In a standard keypad wired as an X-Y switch matrix, normally-open switches connect a row to a column when ...
The Keypad is a library for using matrix style keypads with the Arduino. As of version 3.0, it now supports multiple keypresses. This library is based upon the Keypad Tutorial. It was created to ...