... the guard and the guard scan the ticket by a barcode scanner, parking amount will be shown on the computer, then the ... (straight arm)B), Vehicle sensor 1 and cableC), Equipments for RFID a, Box for entry b, Control board c, ID reader ... (straight arm)B), Vehicle sensor 1 and cableC), Equipments for RFID a, Box for exit b, Control board c, ID reader ...