This project demonstrates how to build an RFID-based access control system using Arduino. The system integrates an RFID reader, servo motor, 16x2 LCD (I2C), three LEDs (Red, Yellow, Green), and a ...

So we won’t use the last pin of keypad which is for fourth column. You can also use 4X3 keypad instead of 4X4 keypad. Next connect the Led's, servo and buzzer with the Arduino as shown in the below ...

This RFID Based Access Control System is built around Arduino UNO board, RFID reader module, solenoid lock and a few other components. RFID is a non-contact, automatic identification technology that ...

In an era where homeowners frequently leave for work or education, robust security for residences is imperative. Traditional security measures, including window and door locks, present challenges such ...