Arduino based RFID Toll Gate System using RC522 RFID reader and SG90 Servo Motor
RFID toll gate system with automatic payments and gate open/close control. The project hardware circuit is designed using Arduino UNO R3 microcontroller board and RC522 RFID reader module. RC522 is a RFID reader/ writer module with SPI interface which works at the frequency of 13.5MHz. It works with the S50 RFID card and keychain. The output process of the project can be seen through the 16x2 LCD display module.
The unique number of the RFID cards is authenticated by the arduino by the code programmed inside the microcontroller. When the scanned RFID number is valid then the vehicle is authenticated and toll process is completed by processing payments from the user's linked bank account. After the toll payment is completed then the toll gate is opened for vehicle to pass. For opening and closing of the toll gate SG90 servo motor is used. After a few seconds delay then the gate is closed again. If the RFID tag is not valid then the vehicle is allowed to pass and the gate remains closed.
Hardware Components Used:
1) Arduino UNO R3
2) RC522 RFID Reader/Writer Module
3) S50 RFID Tag (13.5MHZ RFID Tag)
4) RFID Keychain
5) 16x2 LCD Display Module
6) SG90 Servo Motor
7) Burg Connectors (Male/Female)
8) 12V 1Amp Power Supply Adapter
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