attached servo on lock with nuts and bolt

DIY Science Project Make RFID Door Lock

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

1st step Attachment of servo with door lock

Insert a bolt in the mounting flange and mark on the door lock like a shown in the photo

make hole in door lock
make a hole in the door lock
insert a 4 bolt in the lock's hole
insert a 4 bolt in the lock’s hole
attached servo on lock with nuts and bolt
attached servo on lock with nuts and bolt
glue servo control horn with door lock handle
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
DIY door lock is ready for installation
doorlock is attached with door
the door lock is attached with door
Door lock installation
Door lock installation
Now it's ready to work without the key
Now it’s ready to work without the key
it can also be open with the switch which is placed on the box
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


Video Tutorial :

Abdul Rauf
Latest posts by Abdul Rauf (see all)

Abdul Rauf

Teacher, Innovator, Love to create, explore new ways to view & imagine things and then make them real

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