#define LED 5


void setup() {
  Serial.begin(9600); 
  pinMode(LED, OUTPUT); 

}

void loop() {
  int LDR=analogRead(A0);
  Serial.print("LDR Value is= "); 
  Serial.println(LDR);
  if(LDR >300){
    digitalWrite(LED,1); 
  }
  else{
    digitalWrite(LED,0);
  }
  delay(2000); 
}