#include <LiquidCrystal.h>
LiquidCrystal lcd(19,23,18,17,16,15);
void setup() {
 lcd.begin(16,2);
 pinMode(34, INPUT);
 pinMode(33, OUTPUT);
 Serial.begin(9600);
 pinMode(2, INPUT);
 pinMode(13, OUTPUT);
 pinMode(27, INPUT);
}

void loop() {
int sensor = analogRead(34);
int temp = analogRead(27);
int pir = digitalRead(2);
if(sensor>3000){
  lcd.setCursor(0,0);
  lcd.println("luminous high");
  lcd.setCursor(0,1);
  lcd.println(sensor);
  digitalWrite(33,HIGH);
}
else{
  digitalWrite(33, LOW);
}
delay(2000);
if(pir==1){
 lcd.setCursor(0,0);
 
 lcd.println("Person detected");
 lcd.setCursor(0,1);
 lcd.println("                   ");
 tone(13,2000,500);
 delay(100);
}
else{
  noTone(13);
}
delay(2000);

if(temp>2500){
  lcd.setCursor(0,0);
  lcd.println("Temp is high");
  lcd.setCursor(0,1);
  lcd.println(temp);
  tone(13,2000,500);
  delay(100);
}
else{
  noTone(13);
}
delay(2000);
}