Fingerprint Door Lock Using Arduino

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.

Using pwm the master can send different voltages to the slave. 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. Arduino fingerprint sensor door lock. 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.

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. 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. The project arduino fingerprint sensor lock is simply fabricated around arduino board. After that turn on the bluetooth of your phone and then pair the bluetooth module with your phone.

Testing the fingerprint door lock using arduino project. Therefore there is one master arduino which controls the servo oled and fingerprint sensor while a slave arduino controls the leds. I am using fingerprint module r307 and lcd together. December 11 2018 alexa f.

It uses a keypad and fingerprint scanner to grant a user access by controlling an electric door s. First of all connect the fingerprint sensor to the arduino uno. You need adafruit finge. 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.

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. Arduino fingerprint door lock with keypad and lcd.