i need to design a*car*park indicator system for a space with 8 lots.With two gates each entrance to the*parking*lot And one exit from the*parking*lot.Hardware works on the principle of LDR Once the LDR is covered changes something.it needs to have the following specifications:a seven-segment display to indicate the number of free lots.presettable up/down counterCounter displays the entry and out of carseach lor has a light which will turn on to indicate that is freethe light should turn off when the lost is occupiedwhen the lot is filled to the maximun of 8 cars, the seven-segment should display 'F' the indicate it is full.Once*car*comes the front gate and LDR covers the gate opensOnce he passed the gate and covers the second LDR gate closesThe same principle also exit.I need it urgentlyThanks u
