A new DIY biometric Arduino project has been published to the Arduino blog, Instructables and Thingiverse website this month providing full instructions on how to create your very own biometric locking lockbox. Watch the demonstration video below to learn more about this cool folder which can be used to keep your secrets out of prying eyes.
Components and Functionality
The Arduino biometric lock box is equipped with an infrared sensor which checks to see if the door is closed, ensuring that the lockbox is secure at all times. A series of programmable LEDs also provide visible feedback when the lockbox is being opened, adding an extra layer of interactivity and security. The Arduino Nano Develop on board has been programmed to communicate with a Servo and Fingerprint Sensor. The Fingerprint sensor is preprogrammed with a library of Fingerprints that you want to be able to unlock the Diary Door.
The infrared sensor is a crucial component as it ensures that the lockbox cannot be tampered with while it is closed. The programmable LEDs not only provide a visual cue but can also be customized to display different colors or patterns based on the status of the lockbox. This can be particularly useful for troubleshooting or for adding a personal touch to your project.
Building and Customizing Your Lockbox
Building your own biometric lockbox is a rewarding project that combines several aspects of electronics and programming. The Arduino Nano is a versatile microcontroller that is perfect for this project due to its small size and powerful capabilities. The fingerprint sensor is another key component, and it can store multiple fingerprints, allowing multiple users to access the lockbox if desired.
One of the standout features of this project is the 3D printed case. This allows for a high degree of customization, as you can design the case to fit your specific needs and preferences. Whether you want a sleek, modern look or something more rugged and durable, the choice is yours. The 3D printed case also makes it easy to incorporate additional features, such as compartments for different items or even a secondary locking mechanism.
“This neat little gadget has a fingerprint sensor so you can secure your cool stuff in a personalised portable case. I use it to hold a diary and pen and designs for my new projects. Features a 3D printed case and uses an Arduino Nano. Great gift idea.”
In addition to being a fun and educational project, the biometric lockbox has practical applications as well. It can be used to secure personal items, important documents, or even small valuables. The ability to use a fingerprint sensor adds a level of security that is difficult to bypass, making it a reliable option for keeping your items safe.
For those interested in expanding the project, there are numerous possibilities. You could integrate a Bluetooth module to allow for remote unlocking via a smartphone app, or add a small display to show status messages or even a keypad for an additional layer of security. The flexibility of the Arduino platform means that the only limit is your imagination.
Source: AB
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