#define ParkSensor1 A0
#define ParkSensor2 A1
#define ParkSensor3 A2
#define ParkSensor4 A7
int value;
void setup()
{
  Serial.begin(9600);
}

void loop()
{
  value = analogRead(ParkSensor1);
  Serial.println(value);
  if (value <500)
    Serial.println("Park1 is Full");
  else
    Serial.println("Park1 is Empty");
  delay(1000);
  value = analogRead(ParkSensor2);
  Serial.println(value);
  if (value <500)
    Serial.println("Park2 is Full");
  else
    Serial.println("Park2 is Empty");
  delay(1000);
  value = analogRead(ParkSensor3);
  Serial.println(value);
  if (value <500)
    Serial.println("Park3 is Full");
  else
    Serial.println("Park3 is Empty");
  delay(1000);

 value = analogRead(ParkSensor4);
  Serial.println(value);
  if (value <500)
    Serial.println("Park4 is Full");
  else
    Serial.println("Park4 is Empty");
  delay(1000);
  
}