#include <LiquidCrystal_I2C.h>

#define I2C_ADDR    0x27
#define LCD_COLUMNS 20
#define LCD_LINES   4

LiquidCrystal_I2C lcd(I2C_ADDR, LCD_COLUMNS, LCD_LINES);

 const int pir1 =3;
 const int pir2=4;

 const int relay1=5; //pump 1
 const int relay2=6; //pump 2
const int relay3=7; // pump 3
const int relay4=8; // pump 4

 int val1;
 int val2;
 


void setup() {

pinMode(pir1,INPUT);
pinMode(pir2,INPUT);
pinMode(relay1,OUTPUT);
pinMode(relay2,OUTPUT);
pinMode(relay3,OUTPUT);
pinMode(relay4,OUTPUT);


  lcd.init();
  lcd.backlight();

lcd.setCursor(0, 0);
lcd.print("Automated Cabin");
lcd.setCursor(2, 1);
lcd.print("disinfection");
delay(5000);
lcd.clear();

}

void loop() {
  
val1=digitalRead(pir1);
val2=digitalRead(pir2);

if(val1== HIGH){
lcd.setCursor(1, 0);
lcd.print("All pump is  on");

digitalWrite(relay1,HIGH);
digitalWrite(relay2,HIGH);
digitalWrite(relay3,HIGH);
digitalWrite(relay4,HIGH);




}else if(val2==HIGH){
 
lcd.setCursor(1, 0);
lcd.print("All pump is off");

digitalWrite(relay1,LOW);
digitalWrite(relay2,LOW);
digitalWrite(relay3,LOW);
digitalWrite(relay4,LOW);



}

}