#include<SoftwareSerial.h>
#include<LiquidCrystal.h>
int sw=8;//instead of ir
int RLED=11;// red led
int PLED=12;//iot module
int GLED=10;//motor led
int BUZZ=9;
int state=0;
LiquidCrystal lcd(6,7,5,4,3,2);
void setup() {
  pinMode(8,INPUT);
  pinMode(9,OUTPUT);
  pinMode(12,OUTPUT);
  pinMode(11,OUTPUT);
  pinMode(10,OUTPUT);
  digitalWrite(10,HIGH);
  digitalWrite(11,LOW);
  digitalWrite(12,LOW);
  digitalWrite(9,LOW);
  lcd.begin(16,2);
  lcd.print("MISSILE DETECTION");
  lcd.setCursor(0,1);
  lcd.print("AUTOCOLLISIONSYS");
  delay(4000);
  lcd.clear();

}

void loop() 
{
  state= digitalRead(8);
  if (state==HIGH)
  {
    lcd.setCursor(0,0);
    lcd.print("MISSILE DETECTED");
    digitalWrite(9,HIGH);
    tone(9,100,2000);
    digitalWrite(10,LOW);
    digitalWrite(11,HIGH);
    digitalWrite(12,HIGH);
  }
  else
  {
    lcd.setCursor(0,0);
    lcd.print("MISSILE SEARCHING");
    digitalWrite(9,LOW);
    digitalWrite(10,HIGH);
    digitalWrite(11,LOW);
    digitalWrite(12,LOW);
  }

}