Security Password Protected Door Access with EEPROM

Updated: Apr 10


Here to learn How to Make an password protected Door Opening System Using Arduino, LCD, servo, Push button, LED and Matrix keypad. The Red LED using for Door opening indication and Push button used emergency bypass for secured password protected door opening in case of you forget the password.

The password storing in Arduino EEPROM and you can change the password any time and values stored in EEPROM. When the power of the Arduino the EEPROM remember the previously stored password.


Circuit Diagram