const int LDR=4;
const int LED=5;
int input_val=0;
void step () {
    serial.begin (9600);
    pinmode(LED,output);
}
void loop(){
  input_val=analogread(LDR);
  serial.print(LDR VALE IS : ");
  serial.println(input_val);
  DELAY(1000);
  if(input_val>800)
  {
    digitalwrite(LED,HIGHT);
    delay(5000);

  }
  else
  {
    digitalWrite(LED, LOW);
    delay(5000);
  }
  
  }