Electronic door lock solenoid arduino fingerprint sensor lock.
Block diagram fingerprint door lock circuit diagram.
The circuit shown in fig.
For controlling the door lock you will need a battery source from 7 to 12v i used three 18650 cells.
Circuit diagram of the fingerprint door unlock system.
Can you pls help with the circuit diagram and the list of components.
A slug of metal i e.
As arduino uno has an inbuilt 5v voltage regulator a common 12v supply can be used for the whole system.
Fingerprint door lock circuit diagram.
Download the project libraries.
Code and circuit diagram for fingerprint sensing door locking system july 3 2019 january 22 2020 admin 0 comments.
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.
It is nothing new but almost similar to an electromagnet.
To add a fingerprint just show the finger on the module and press the add key.
1 operates using a 12v power supply.
An arduino microcontroller mcu requires only 5v but the solenoid electric lock requires 12v.
Armature surrounded by a big coil of copper wire forms a solenoid.
The libraries for fingerprint sensor and i2c lcd are easily available.
It is connected to the output of relay as show in circuit diagram.
I enjoy reading your blog fingerprint based security system and door lock.