Servo motor is used for opening the gate while rotating and LCD is used for displaying status or messages on it. The keypad is used for taking the password. Arduino controls the complete processes like taking a password from the keypad module, comparing passwords, driving buzzer, rotating servo motor, and sending status to the LCD display. The circuit of this project is very simple which contains Arduino, keypad module, buzzer, Servo Motor, and LCD. It will open your door only when the right password is entered. So a digital code lock can secure your home or locker easily. As thefts are increasing day by day security is becoming a major concern nowadays. In this project, we will learn how to make the Password-Based Security System Using Arduino & Keypad. Password Based Security System Using Arduino & Keypad
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