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RFID based gate opening uses a microcontroller along with circuits monitoring entry and exit of cars. The vehicle owners are allowed an entry only when their RFID card is swiped. display indication besides indicating the gate is open or gate is close.
.Example is shown for 2 cards but it can be extended to many numbers. An arrangement operates the entry and exit motors operating clockwise and anticlockwise for opening and closing. A buzzer sound comes while the card is swiped. Upon every entry of a vehicle the authorized card matched with stored data and operation will perform gate open and close if the card is not authorized then it displays card details not found . A standard power supply is used. A LCD displays the status. A switch is used in place of RFID for minimizing the project cost.