Again, if another person reaches, it will ask to enter the password. This system shows a Password based Door Lock System using Arduino, where in once the correct password is entered, the door is opened and the person is allowed access to the area.It is a simple implant system with input from the keyboard and the output being operated accordingly. Here, we build an electronic code lock system using Arduino, which provides control to operate the load.This output load can be a lamp or any other mechanical or electrical load. Such an automatic lock system contains of electronic control assembly, which manages the output load through a password.One of the prominent features of these new lock systems is their clearness and high efficiency. These techniques are a combination of mechanical and electronic components and are highly intelligent.
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