Download the project libraries.
Block diagram fingerprint door lock circuit diagram.
For controlling the door lock you will need a battery source from 7 to 12v i used three 18650 cells.
To add a fingerprint just show the finger on the module and press the add key.
An arduino microcontroller mcu requires only 5v but the solenoid electric lock requires 12v.
Reason is that rfid card or keys of lock can be stolen password may be leaked.
Can you pls help with the circuit diagram and the list of components.
Electronic door lock solenoid arduino fingerprint sensor lock.
Fingerprint door lock circuit diagram.
Finger print is considered one of the safest key to lock.
It is nothing new but almost similar to an electromagnet.
History of fingerprint scanners this identification device has been commercialized from the late 19 th century.
The libraries for fingerprint sensor and i2c lcd are easily available.
The device is the most popular among all the identification devices because of its ease in acquisition and also the number of sources that are available for its data collection.
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.
Armature surrounded by a big coil of copper wire forms a solenoid.
A slug of metal i e.
I enjoy reading your blog fingerprint based security system and door lock.
In this post we will interface a fingerprint sensor module with arduino and will build a fingerprint based biometric security system with door locking.
Circuit diagram of the fingerprint door unlock system.
Fingerprint based security system is the most secured system as compared to other systems.
1 operates using a 12v power supply.
Want to carry out a project like this but wish to combine password and fingerprint together.
It uses a keypad and fingerprint scanner to grant a user access by controlling an electric door s.
If you want to buy the entire combo for the project then click here enrollment code code 1 include adafruit fingerprint h include softwareserial h.
As arduino uno has an inbuilt 5v voltage regulator a common 12v supply can be used for the whole system.
The fingerprint module can be directly interfaced with any microcontroller as well as arduino board.
The circuit shown in fig.
Some examples are pir based security system rfid based security system digital lock system bio matrix systems electronics code lock.
Code and circuit diagram for fingerprint sensing door locking system july 3 2019 january 22 2020 admin 0 comments.
This optical biometric fingerprint reader with great features and can be embedded into a variety of end products like access control system attendance system safety deposit box car door locking system.
