Block Diagram Fingerprint Door Lock Circuit Diagram

As arduino uno has an inbuilt 5v voltage regulator a common 12v supply can be used for the whole system. 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. For controlling the door lock you will need a battery source from 7 to 12v i used three 18650 cells.

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1 operates using a 12v power supply.

Block diagram fingerprint door lock circuit diagram.

The libraries for fingerprint sensor and i2c lcd are easily available. To add a fingerprint just show the finger on the module and press the add key. Code and circuit diagram for fingerprint sensing door locking system july 3 2019 january 22 2020 admin 0 comments. I enjoy reading your blog fingerprint based security system and door lock.

Want to carry out a project like this but wish to combine password and fingerprint together. Can you pls help with the circuit diagram and the list of components. Download the project libraries. Armature surrounded by a big coil of copper wire forms a solenoid.

A slug of metal i e. An arduino microcontroller mcu requires only 5v but the solenoid electric lock requires 12v. Circuit diagram of the fingerprint door unlock system. It is nothing new but almost similar to an electromagnet.

The circuit shown in fig. Fingerprint door lock circuit diagram. 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. History of fingerprint scanners this identification device has been commercialized from the late 19 th century.

It is connected to the output of relay as show in circuit diagram. Electronic door lock solenoid arduino fingerprint sensor lock.

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