#include <DHT.h>
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27,16,2);
DHT dht(2,DHT22);
void setup() {
  Serial.begin(9600);
  lcd.init();
  lcd.backlight();
  dht.begin();
  pinMode(3, OUTPUT);
  pinMode(4, OUTPUT);
  pinMode(5, OUTPUT);
  lcd.clear();
  lcd.setCursor(0,0);
  lcd.print("Weather Monitor");
  lcd.setCursor(0,1);
  lcd.print("NEELA");
  delay(1000);
}
void loop() {
  float t=dht.readTemperature();
  float h=dht.readHumidity();
  Serial.print("Humidity:");
  Serial.println(h);
  if(t<0){
    lcd.clear();
    lcd.setCursor(0,1);
    lcd.print("Temperature:");
    lcd.setCursor(12,1);
    lcd.print(t);
    lcd.setCursor(2,0);
    lcd.print("LEVEL ONE");
    digitalWrite(3, HIGH);
    digitalWrite(4, LOW);
    digitalWrite(5, LOW);
    delay(1000);
  }
  else if(t>0 && t<40){
    lcd.clear();
    lcd.setCursor(2,0);
    lcd.print("LEVEL TWO");
    lcd.setCursor(0,1);
    lcd.print("Temperature:");
    lcd.setCursor(12,1);
    lcd.print(t);
    digitalWrite(3, HIGH);
    digitalWrite(4, HIGH);
    digitalWrite(5, LOW);
    delay(1000);
  }
  else{
    lcd.clear();
    lcd.setCursor(2,0);
    lcd.print("LEVEL THREE");
    lcd.setCursor(0,1);
    lcd.print("Temperature:");
    lcd.setCursor(12,1);
    lcd.print(t);
    digitalWrite(3, HIGH);
    digitalWrite(4, HIGH);
    digitalWrite(5, HIGH);
    delay(1000);
  }
}