Raspberry pi and solenoid lock are connected through the relay module.
Smart door lock system using raspberry pi ppt.
Then connect the signal pin of the relay module to the gpio 26 of raspberry pi.
On the other side of the relay module connect the negative form dc power source to the negative of the solenoid door lock.
The ultimate raspberry pi smart home door lock it s got 3 factor authentication including nfc fob touchscreen pin entry and one time passcode sent via sms then the door unlocks.
Why raspberry pi.
So let s ignore super expensive door systems and build our own.
You can also add intelligent lighting a controllable door lock and facial recognition all powered with your raspberry pi.
In order to implement the smart door model we need a list of materials which is briefly mentioned below.
Circuit diagram for this raspberry pi smart doorbell is very simple just attach a button on some gpio pin and connect pi camera on the camera slot.
Learn how to make a smartphone controlled internet connected deadbolt actuator powered by a raspberry pi that can be added onto your existing door lock without any modifications to the door.
Advanced full instructions provided 6 hours 21 415.
Solenoid lock requires 9 to 12v and raspberry pi can provide only 5v.
Due to this a 12v adapter is used to power the solenoid lock.
The door lock can be controlled by multiple smartphones and even notify you whenever someone locks unlocks the door.
Circuit diagram for face recognition door lock using raspberry pi is given below.
Smart surveillance monitoring security living body detection and spying attendance system criminal recognition and identification system future scope 26.
You can do as much or as little as you like of this project and there s plenty of room for new and inventive uses.
Because of this we will need to use an external power source and relay to operate the lock.
It can be unlocked over a wifi connection using a smartphone and a custom app.
While a standard lock can be made smart by adding a servo several systems can be purchased that help you do this digital keypad locks can also be enhanced.
You can create an internet connected smart door lock using your raspberry pi 3 single board computer.
Real time license plate recognition using raspberry pi and python.
The developed scheme is cheap fast highly reliable and provides enough flexibility to suit the requirements of different systems.
Making a digital door lock smart with a raspberry pi by christian cawley news 7th august 2018 how can you make a door lock smart.
