#include <dht11.h>
#include <Wire.h>
#include <LiquidCrystal_I2C.h>

#define BACKLIGHT_PIN 3
LiquidCrystal_I2C lcd(0x3F, 2,1,0,4,5,6,7);

dht11 DHT11;
 #define DHT11PIN 8    //przypisanie pinu 2 Arduino jako odczyt z sensora



void setup()
{
  Serial.begin(115200);
  Serial.println("Program testowy DHT11");
  Serial.println();

  lcd.begin(20,4);
  lcd.setBacklightPin(BACKLIGHT_PIN, POSITIVE);
  lcd.setBacklight(HIGH);


}

void loop()
{
  int chk = DHT11.read(DHT11PIN);
  lcd.home();
  lcd.print("Stan sensora: ");
  switch (chk)
  {
    case DHTLIB_OK:
        lcd.print("OK");
        break;

  }
  lcd.setCursor(0,1);
  lcd.print("Wilg (%): ");
  lcd.print((float)DHT11.humidity, 0);

  lcd.setCursor(0,2);
  lcd.print("Temp (C): ");
  lcd.println((float)DHT11.temperature, 0);

  delay(1000);
}