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 :

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