#include <Adafruit_SSD1306.h>
#include <Wire.h>
#include <Adafruit_GFX.h>
#include <DHT.h>


#define L1 5    // Ventil
#define L2 6    // Loputa
#define L3 7    // Grelec

// Uncomment whatever type you're using!
//#define DHTTYPE DHT11   // DHT 11
#define DHTTYPE DHT22   // DHT 22  (AM2302)
#define DHTPIN 2     // what pin we're connected to
// Initialize DHT sensor for normal 16mhz Arduino
DHT dht(DHTPIN, DHTTYPE);

#define SCREEN_WIDTH 128 // OLED display width, in pixels
#define SCREEN_HEIGHT 64 // OLED display height, in pixels
#define OLED_RESET  -1   // Reset pin # (or -1 if sharing Arduino reset pin)
#define SCREEN_ADDRESS 0x3C ///< See datasheet for Address; 0x3D for 128x64, 0x3C for 128x32
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);

void setup() {
  Serial.begin(9600);
  dht.begin();
  pinMode(L1, OUTPUT);
  pinMode(L2, OUTPUT);
  pinMode(L3, OUTPUT);

  display.begin(SSD1306_SWITCHCAPVCC, 0x3C);
  display.clearDisplay();
  display.setTextSize(1);             // Normal 1:1 pixel scale
  display.setTextColor(SSD1306_WHITE);        // Draw white text
  display.setCursor(10, 10);            // Start at top-left corner
  display.println("Hello Matej");
  display.display();
  delay(2000);
  
}

void loop() {

  // Read temperature as Celsius
  float t = dht.readTemperature();
  delay(1000);
  float h = dht.readHumidity();
  delay(1000);

  display.clearDisplay();
  display.setTextSize(1);             // Normal 1:1 pixel scale
  display.setCursor(0, 5);            // Start at top-left corner
  display.println ("Temperatura( *C )");
  display.setTextSize(1);             // Normal 1:1 pixel scale
  display.setCursor(20, 20);
  display.println (t);
  display.setTextSize(1);             // Normal 1:1 pixel scale
  display.setCursor(0, 40);
  display.println ("Vlaga ( % )");
  display.setTextSize(1);             // Normal 1:1 pixel scale
  display.setCursor(20, 50);            // Start at top-left corner
  display.println (h);
  display.display();

  Serial.print("Humidity: ");
  Serial.print(h);
  Serial.println(" %\t");
  Serial.print("Temperature: ");
  Serial.print(t);
  Serial.print(" *C\t");

}