... parker pay cash and then barrier open and he leaves.For a registered parker, he swipes this registered proximity card onto entry ... (straight arm)B), Vehicle sensor 1 and cableC), Equipments for RFID a, Box for entry b, Control board c, ID reader d, Card ... (straight arm)B), Vehicle sensor 1 and cableC), Equipments for RFID a, Box for exit b, Control board c, ID reader d: Led ...