Sistem Keamanan Pintu Gudangdengan Memanfaatkan Keyped Dan Pengaplikasian Ber…

ABSTRACT Barn door security system with access control using password and application. This tool is equipped with an Arduino Uno as a control center to process data received from the keypad as input password. If the password is entered correctly, the device will work. The solenoid opens and a notification appears. when the switch is forcibly opened the tool will work to activate the buzzer and…