Fingerprint Door Lock Using Arduino

Arduino fingerprint sensor door lock. The project arduino fingerprint sensor lock is simply fabricated around arduino board. In that i am using 2 3 digital pins of arduino for data transfer to the fingerprint i tried other pin configurations for this but it didn t work but as i am connecting lcd it also requires same 2 3 digital pins of arduino and it is not possible for me to use 2 and 3 pins of arduino for both lcd and fingerprint sensor for data transfer.

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Not only to ensure door security this project also make certain to assist in fields like forensics crime investigation personal identification attendance system and there is a lot more.

Fingerprint door lock using arduino.

Introductionthe fingerprint door lock as the name suggests is an electronic door lock that can be installed on almost any access point in your house. Using pwm the master can send different voltages to the slave. After installing the apk and connecting the hardware as per the circuit diagram connect the arduino to the laptop and upload the code remove the tx rx pins before uploading the code. The default pins for serial communication on the arduino uno are pin 0 rxd and pin 1 txd of the board but we are going to use other pins for serial communication.

December 11 2018 alexa f. Make sure you get a fingerprint sensor that works with the arduino through the serial communication. After that turn on the bluetooth of your phone and then pair the bluetooth module with your phone. You can add a solenoid instead of this led and make a fingerprint door lock which could be a brief tutorial for the future but for this tutorial led indication is our eureka.

Conclusion in this tutorial post we learned how to set up a fingerprint sensor and how to use it with our arduino you can use this knowledge to control a. They are connected through a single wire that goes from a pwm pulse width modulation enabled pin on the master to an analog pin on the slave. Testing the fingerprint door lock using arduino project. I am using fingerprint module r307 and lcd together.

Therefore there is one master arduino which controls the servo oled and fingerprint sensor while a slave arduino controls the leds. You need adafruit finge. How to make fingerprint door lock at home from this tutorial you can make awesome fingerprint sensored locking system for your door. First of all connect the fingerprint sensor to the arduino uno.

Arduino fingerprint door lock with keypad and lcd. It uses a keypad and fingerprint scanner to grant a user access by controlling an electric door s.

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