#include "NewPing.h"
int ECHO=10;
int Trigger=8;
int max_distance=400;
int LDR=A0;
int LED=5;
long dist;
NewPing sonar(Trigger,ECHO,max_distance);
void setup(){
    Serial.begin(9600);
    pinMode(LDR,INPUT);
    pinMode(LED,OUTPUT);
}
void loop(){
   Serial.print("Distance:");
   dist=sonar.ping_cm();
   Serial.println(dist);
   Serial.println("cm");
   if(dist<10){
    int ldr=analogRead(LDR);
    if(ldr>300){
      digitalWrite(LED,HIGH);
    }
    else{
      digitalWrite(LED,LOW);
    }
   }
   else{
    digitalWrite(LED,LOW);
   }
}