Smart parking system

1#include <LiquidCrystal.h> 
2LiquidCrystal lcd(12, 15, 16, 17, 18, 19);   int ir1 = 2; int ir2 = 3; int ir3 = 4; 
3int ir4 = 5; int ir5 = 6; #define a 10   #define b 11 void setup() 
4{ 
5  Serial.begin(9600);   lcd.begin(16, 2);   lcd.clear();    pinMode(ir1, INPUT);   pinMode(ir2, INPUT);   pinMode(ir3, INPUT);   pinMode(ir4,   INPUT);   pinMode(ir5, INPUT); 
6 
7  pinMode(a, OUTPUT);   pinMode(b, OUTPUT);   
8 } 
9void loop() 
10{ 
11  lcd.setCursor(0, 0);   lcd.print("Slot1:");    lcd.print(digitalRead(ir1));   lcd.setCursor(7, 0);   lcd.print("  Slot2:");    lcd.print(digitalRead(ir2));   lcd.setCursor(0, 1);   lcd.print("Slot3:");    lcd.print(digitalRead(ir3));   lcd.setCursor(7, 1);   lcd.print("  Slot4:");    lcd.print(digitalRead(ir4));   if ((digitalRead (ir1) == 1) && ( digitalRead   (ir2) == 1) && ( digitalRead (ir3) == 1) && ( digitalRead (ir4) == 1)) 
12  { 
13   
14    lcd.clear();     lcd.print("parking full");     delay(1000);     digitalWrite(a,   LOW);     digitalWrite(b, LOW); 
15  } 
16  else if ( digitalRead (ir5) == 1)   
17  { 
18    digitalWrite(a, HIGH);     digitalWrite(b, LOW);     delay(280);      digitalWrite(a, LOW);     digitalWrite(b, LOW);     delay(5000);     digitalWrite(a,   LOW);     digitalWrite(b, HIGH);     delay(280);     digitalWrite(a, LOW);     digitalWrite(b,   LOW);   } 
19  digitalWrite(a, LOW);   digitalWrite(b, LOW); 
20} 
21

1#include <LiquidCrystal.h> 
2LiquidCrystal lcd(12, 15, 16, 17, 18, 19);  int ir1 = 2; int ir2 = 3; int ir3 = 4; 
3int ir4 = 5; int ir5 = 6; #define a 10  #define b 11 void setup() 
4{ 
5  Serial.begin(9600);   lcd.begin(16, 2);   lcd.clear();   pinMode(ir1, INPUT);   pinMode(ir2, INPUT);   pinMode(ir3, INPUT);   pinMode(ir4,  INPUT);   pinMode(ir5, INPUT); 
6 
7  pinMode(a, OUTPUT);   pinMode(b, OUTPUT);  
8 } 
9void loop() 
10{ 
11  lcd.setCursor(0, 0);   lcd.print("Slot1:");   lcd.print(digitalRead(ir1));   lcd.setCursor(7, 0);   lcd.print("  Slot2:");   lcd.print(digitalRead(ir2));   lcd.setCursor(0, 1);   lcd.print("Slot3:");   lcd.print(digitalRead(ir3));   lcd.setCursor(7, 1);   lcd.print("  Slot4:");   lcd.print(digitalRead(ir4));   if ((digitalRead (ir1) == 1) && ( digitalRead  (ir2) == 1) && ( digitalRead (ir3) == 1) && ( digitalRead (ir4) == 1)) 
12  { 
13  
14    lcd.clear();     lcd.print("parking full");     delay(1000);     digitalWrite(a,  LOW);     digitalWrite(b, LOW); 
15  } 
16  else if ( digitalRead (ir5) == 1)  
17  { 
18    digitalWrite(a, HIGH);     digitalWrite(b, LOW);     delay(280);     digitalWrite(a, LOW);     digitalWrite(b, LOW);     delay(5000);     digitalWrite(a,  LOW);     digitalWrite(b, HIGH);     delay(280);     digitalWrite(a, LOW);     digitalWrite(b,  LOW);   } 
19  digitalWrite(a, LOW);   digitalWrite(b, LOW); 
20} 
21