 
 
 // LEDs
-#define DEBUG_LED          13
+#define DEBUG_LED    13
+
+// Buttons
+#define BUTTON_OK     3
+#define BUTTON_UP     5
+#define BUTTON_DOWN   6
 
 // Temp + Humidity inside
 #define DHT_IN_PIN  2

    lcd.print(buff);
}

void loop ()
{
    LOGLN("Loop");
//    error_blink(1);
    float temp_in   = dht_in.readTemperature();
    float humid_in  = dht_in.readHumidity();
    float temp_out  = dht_out.readTemperature();


    lcd.setCursor(0, row);
    lcd.print(str);
}

void draw_template()
