The aim of constructing this system is to put in place a formidable locker security system with low cost and free of errors. Keywords – RFID Reader, Atmega328p, Keypad, LCD, Buzzer. The security system plays a significant role to keep out unknown users to access protected physical and logical places with no permission. Furthermore, unwanted people can hack the lock and have access to the protected place. It can further be use for smart cart can be interfaced with wireless technologies to make it completely portable in the nearest future.