Ultrasonic Parking Guidance System Program Product DescriptionIntroductions:The parking Guidance Information System (PGIS) based on the computer and MCU as the core of the intelligent parking lot parking guidance system. Parking Guidance System mainly uses for guiding, easing traffic and offering real time parking information for motorist. Many cities suffer from lack of parking or have a large amount of traffic in search of a parking space, no matter in Airport, office building, shopping mall, factory or Business Avenue.In order to make everything simple and convenient, Tectron-one of the best parking guidance information system(PGIS) supplier in China set up a professional team to work complete solution for parking garage management. Working Principle >1. Parking Lot Detector (PLD) constantly detects the presence of a vehicle using Ultrasonic wave, if any vehicle is parking on the space, PLD will send command to Parking Lot Indicator (PLI) and the indicator will turn RED, otherwise the indicator will show GREEN color. >2. Meanwhile the PLD will immediately transmit its status to Region Controller Module (RCM) that collect and forward the information to Section Controller Module (SCM), which will process those data and send to Guidance Controller Module (GCM), at last GCM send relevant command to RCM or Parking Guidance Display Screen (PGD).