Block Diagram Fingerprint Door Lock Circuit Diagram

Can you pls help with the circuit diagram and the list of components. Fingerprint door lock circuit diagram. Download the project libraries.

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It is connected to the output of relay as show in circuit diagram.

Block diagram fingerprint door lock circuit diagram.

The circuit shown in fig. 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. The libraries for fingerprint sensor and i2c lcd are easily available. 1 operates using a 12v power supply.

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. An arduino microcontroller mcu requires only 5v but the solenoid electric lock requires 12v. Electronic door lock solenoid arduino fingerprint sensor lock. A slug of metal i e.

To add a fingerprint just show the finger on the module and press the add key. Want to carry out a project like this but wish to combine password and fingerprint together. Circuit diagram of the fingerprint door unlock system. For controlling the door lock you will need a battery source from 7 to 12v i used three 18650 cells.

History of fingerprint scanners this identification device has been commercialized from the late 19 th century. Code and circuit diagram for fingerprint sensing door locking system july 3 2019 january 22 2020 admin 0 comments. It is nothing new but almost similar to an electromagnet. I enjoy reading your blog fingerprint based security system and door lock.

As arduino uno has an inbuilt 5v voltage regulator a common 12v supply can be used for the whole system. Armature surrounded by a big coil of copper wire forms a solenoid.

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