#include "DHT.h"
#include <LiquidCrystal_I2C.h>
#define fan 1

DHT dht(12, DHT22); 
LiquidCrystal_I2C lcd(0x27, 16, 2);  

void setup() {
  pinMode(fan, OUTPUT);
  dht.begin();
  lcd.init();
  lcd.backlight();
}

void loop() {
  float h = dht.readHumidity();
  float t = dht.readTemperature();
  lcd.clear();
  if(t>40.00){
    digitalWrite(fan, HIGH);
    lcd.setCursor(13,1);
    lcd.print("ON");
  }else{
    digitalWrite(fan, LOW);
    lcd.setCursor(13,1);
    lcd.print("OFF");
  }
  lcd.setCursor(0,0);
  lcd.print("H:");
  lcd.print(h);
  lcd.print("%");
  lcd.setCursor(0,1);
  lcd.print("T:");
  lcd.print(t);
  lcd.print("'C");
  delay(1000);
}