Do it yourself DIY Science project Radio-frequency identification RFID Door Lock
In this tutorial, we will make the door lock with an Arduino based RFID door lock. You can watch the following video or read the written tutorial below for more details.
Whats is RFID?
Radio-frequency identification uses electromagnetic fields to automatically identify and track tags attached to objects. An RFID tag consists of a tiny radio transponder; a radio receiver and transmitter. Wikipedia
Required components
- Manual Door lock
- Arduino UNO
- RFID Module RC522
- RFID card
- Plastic box
- Servo Motor
- 2 battery 3.7 volt
- Adaptor 9 volt
- Piezo buzzer
- Toggle switch
- Female DC Power Jack
Construction:
1st step: Attachment of servo motor with lock
Insert a bolt in the mounting flange and mark on the door lock like a shown in the photo
make a hole in the door lock
insert a 4 bolt in the lock's hole
attached servo on lock with nuts and bolt
glue servo control horn with door lock handle
2nd Step Arduino - Code and Assembly
Here are schematics diagram of Arduino and module make its connection accordingly
After all connection upload following code in Arduino
DIY door lock is ready for installation
the door lock is attached with door
Door lock installation
Now it's ready to work without the key
it can also be open with the switch which is placed on the box
See Also
Arduino Tutorial Urdu: Arduino Course for Beginners and advanced
Build Automatic Night Light Control or Switch using Arduino
Water level Indicator using arduino
