#define ParkSensor1 A0
#define ParkSensor2 A1
#define ParkSensor3 A2
#define ParkSensor4 A7
int value;
#include <Servo.h>
Servo servo1;
int pos = 90;
#define Trig 10
#define Echo 11
#define LDR A6
#define LED A3
int data;
int i;
#define Led 13
char data;
void setup() {
  Serial.begin(9600);
 servo1.attach(12);
  servo1.write(pos);
  delay(2000);
  Serial.begin(9600); 
pinMode(Trig,OUTPUT);
 pinMode(Echo,INPUT);
  pinMode(13,OUTPUT);
pinMode(LED, OUTPUT);
  Serial.begin(9600);
 for (i = 2; i <= 9; i++)
    pinMode(i, OUTPUT);
 Serial.begin(9600);
  pinMode(Led, OUTPUT);
}

void loop() {
   for (pos = 90; pos >= 0; pos -= 1)
  {
    servo1.write(pos);
    delay(15);
  }
  delay(3000);
  for (pos = 0; pos <= 90; pos += 1)
  {
    servo1.write(pos);
    delay(15);
  }
  delay(3000);
long width,distance;
 digitalWrite(Trig,0); 
 delayMicroseconds(2); 
 digitalWrite(Trig,1);
  delayMicroseconds(10);
   digitalWrite(Trig,0); 
   width=pulseIn(Echo,1); 
   distance=width/58.2;
    Serial.print("Distance is:");
 Serial.print(distance);
 Serial.println("cm"); 
  if(distance<10)
digitalWrite(13,1); else
digitalWrite(13,0); delay(1000);
data = analogRead(LDR);
  Serial.print("LDR Data:   ");
  Serial.println(data);
  if (data<900)
  digitalWrite(LED,1);
  else
  digitalWrite(LED,0);
  delay(1000);
for (i = 2; i <= 9; i++)
  {
    digitalWrite(i, 1);
    delay(1000);
    digitalWrite(i, 0);
  }
  if (Serial.available())
  {
    data = Serial.read();
    if (data == '1')
      digitalWrite(Led, 1);
    else if (data == '0')
      digitalWrite(Led, 0);
  }
}