Sensor comparation for smart parking system

Parking is defined as a condition when a vehicle is temporary stored In big cities, where parking space become more limited In most of conventional parking system, driver enter parking area, search available parking space and park. Finding one available parking space can be frustrating, particularly during rush hour or weekend, since the driver did not know the exact available space. Some parking service provider count their available space and display it at the entry gate, but this system cannot detect vehicle that already leave the parking space until they reach the exit gate. With the system proposed, driver can reserve a parking space. When the vehicle arrives, sensor detects the vehicle and set the status to be occupied Sensor can also detect when the vehicle leave the space so the space can be reserved for another vehicle. For the system proposed, four sensors are tested with three different positions. Sensor placement. Sensor proposed must be cheap, reliable, and require minimal maintenance.