#include <DHT.h>
#include <Wire.h>
#include <LiquidCrystal_I2C.h>

#define DHTPIN 2
#define DHTTYPE DHT22

DHT dht(DHTPIN, DHTTYPE);
LiquidCrystal_I2C lcd(0x27, 16, 2);
void setup() {
  pinMode(3,OUTPUT);
  Serial.begin(9600);
  dht.begin();
  lcd.init();
  lcd.backlight();
}

void loop() {
  delay(1000);
  float h = dht.readHumidity();
  float t = dht.readTemperature();
  lcd.setCursor(0, 0);
  lcd.print("TEMP: ");
  lcd.print(t);
  lcd.setCursor(0, 1);
  lcd.print("HUMI: ");
  lcd.print(h);

  Serial.print("Humidity: ");
  Serial.print(h, 1);
  Serial.print("%  Temperature: ");
  Serial.print(t, 1);
  Serial.print("C & ");
  if (t>30){
    digitalWrite(3,HIGH);
  }
  else{
    digitalWrite(3,LOW);
  }

}