IoTIntermediate
NFC Smart Door Lock
Unlock doors with NFC cards or smartphone.
Estimated Total Cost
₹2,500
Required Components
Arduino Uno
Main controller
Qty: 1
₹400
PN532 NFC Module
NFC reader
Qty: 1
₹600
Electromagnetic Lock
Door locking
Qty: 1
₹800
Relay Module 12V
Lock control
Qty: 1
₹80
OLED Display
Status display
Qty: 1
₹200
Buzzer & LED
Feedback
Qty: 1
₹50
12V Power Supply 2A
Power source
Qty: 1
₹250
NFC Cards
Access cards
Qty: 5
₹100
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