2.Three digits show the available parking lots number.
3.The arrow indicates the direction.
1) How outdoor LED display functions in the Parking System:
Outdoor LED display is comprised by high intensity outdoor LED module, driving circuit, controlling circuit,frame and other parts. It receives the statistic information of the parking space from the central controller, displaying the amount of available parking spaces in real time and can be used 24 hours a day. Internal procedure can be revised at any time according to the users’ demands, displaying other information.
2) The Working Principle of Parking Guidance System:
Firstly, UD takes use of ultrasonic wave to detect the car space to see if it is occupied by vehicles and transfer relative command to LED Indicator which will turn from green to RED when occupied, or it will keep GREEN; Meanwhile, the UD transmit its status message to ZCU immediately, and ZCU will collect and forward the information to CCU; CCU processes these data and sends the relevant command to ZCU and LED panel.
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