🔐 Password Door Lock System using Arduino Uno This project is a smart security system that unlocks a door using a 4-digit password entered via a keypad. Built using Arduino Uno, this simple prototype ...

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Electronic and Arduino enthusiasts searching for an Arduino project to keep them busy this weekend may be interested in a new Arduino Mega fingerprint door lock.

Although the code is an entry-level one, it includes a secret key option that will need to be entered on the keypad. The Serial Monitor will tell whether the numerical-key inputted to the keypad is ...

What's really neat, though, is that he didn't mess with the lock mechanism in any way. The door stays locked at all times, and punching in the right keycode just turns the handle from the inside.

If you're sick of using your boring old keys to unlock your door, Make has a guide for using and Arduino to power a lock that you can control with your smartphone.

Makers and developers that enjoy creating projects using the Arduino platform may be interested in a new shield for Arduino that incorporates an LCD JEMshield++, keypad and enclosure all in one.