#include <LiquidCrystal_I2C.h> // includes the liquidCristal library
LiquidCrystal_I2C lcd(0x27,16,2);
#include <dht.h>
#define dataPin 8 // defines pin number to whitch the sensor is connected

dht DHT; // creats a DHT object
bool showcelciusorfarenheit = false;

void setup() {

  lcd.init();
  lcd.clear();         
  lcd.backlight(); // make sure backlight is on

}

void loop() {

  // uncomment whatever type sensor you're using (DHT11 or DHT22)!

  // int readData = DHT.read11(dataPin); // DHT11
  int readData = DHT.read22(dataPin); // DHT22/AM2302

  float t = DHT.temperature; // gets the values of the temperature
  float h = DHT.humidity; // gets the value of the humidity

  lcd.setCursor(0,0); // sets the location at which subsequent text written 
                     // to the LCD will be displayed
  lcd.print("Temp.: "); // prints string "Temp." on the LCD

  // print temperature value in Celcius and Fahrenheit every alternate cycle
	if(showcelciusorfarenheit) {
		lcd.print(t); // prints the temperature value from the sensor
		lcd.print(" ");
		lcd.print((char)223); // shows degrees character
		lcd.print("C");
		showcelciusorfarenheit = false;
	}
	else {
		lcd.print((t * 9.0) / 5.0 + 32.0); // print the temperature in Fahrenheit
		lcd.print(" ");
		lcd.print((char)223); // shows degrees character
		lcd.print("F");
		showcelciusorfarenheit = true;
	}
	
	lcd.setCursor(0,1);
	lcd.print("Humi.: ");
	lcd.print(h);
	lcd.print(" %");
	delay(5000);

}