#include <Wire.h>
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x3F, 2, 1, 0, 4, 5, 6, 7, 3, POSITIVE);
#include <dht.h>
dht DHT;
#define DHT11_PIN 7
#define piip 6
#define nappi 5
int nappitila = 0;
float multakosteus_1;
int multapinni_1 = A2;


int lampoarvoyla = 24;
int lampoarvoala = 19;
int kosteusarvo = 18;
float multalimit = 20;

byte aste[] = {B10000,B00110,B01001,B01000,B01000,B01001,B00110,B00000};

void setup()
{
lcd.begin(16,2);//Defining 16 columns and 2 rows of lcd display
lcd.backlight();//To Power ON/OFF the back light
pinMode(piip, OUTPUT);
pinMode(nappi, INPUT);
lcd.createChar(0, aste);
}

void loop() {

float chk = DHT.read11(DHT11_PIN);
multakosteus_1 = analogRead(multapinni_1);
multakosteus_1 = (1023-multakosteus_1)/1023*100;


//______________________
//      PÄÄNÄYTTÖ
//______________________

//Mullan kosteus (Ruukku 1)
nappitila = digitalRead(nappi);
if(nappitila == HIGH){
  lcd.clear();
    while(nappitila == HIGH){
      multakosteus_1 = analogRead(multapinni_1);
      multakosteus_1 = (1023-multakosteus_1)/1023*100;
      lcd.setCursor(0,0);
      lcd.print("Multa 1: ");
      lcd.print(multakosteus_1);
      lcd.print("%  ");
      delay(1000);
      nappitila = digitalRead(nappi);
    }
delay(2000);
lcd.clear();
}


//Ilmankosteus ja lämpötila

lcd.setCursor(0,0);
lcd.print("Temp  ");
lcd.print(DHT.temperature);
lcd.write((byte)0);
lcd.setCursor(0,1);
lcd.print("Humidity  ");
lcd.print(DHT.humidity);
lcd.print("%");
delay(1000);

lcd.setCursor(4,0);
lcd.print(":");
lcd.setCursor(8,1);
lcd.print(":");
delay(1000);


//______________________
//    KUUMUUSHÄLYTYS
//______________________

if (DHT.temperature > lampoarvoyla){
  for(int x=0; x<2; x++){
    digitalWrite(piip, HIGH);
    lcd.setCursor(0,0);
    lcd.print("HOT! HOT! HOT!  ");
    lcd.setCursor(0,1);
    lcd.print("Humidity: ");
    lcd.print(DHT.humidity);
    lcd.print("%");
    delay(500);

    digitalWrite(piip, LOW);
    lcd.setCursor(0,0);
    lcd.print("                ");
    lcd.setCursor(0,1);
    lcd.print("Humidity: ");
    lcd.print(DHT.humidity);
    lcd.print("%");
    delay(500);
  }
lcd.setCursor(0,0);
lcd.print("Temp: ");
lcd.print(DHT.temperature);
lcd.write((byte)0);
delay(3000);
}


//______________________
//    KYLMYYSHÄLYTYS
//______________________

if (DHT.temperature < lampoarvoala){
  for(int x=0; x<2; x++){
    digitalWrite(piip, HIGH);
    lcd.setCursor(0,0);
    lcd.print("  COLD!  COLD!  ");
    lcd.setCursor(0,1);
    lcd.print("Humidity: ");
    lcd.print(DHT.humidity);
    lcd.print("%");
    delay(500);

    digitalWrite(piip, LOW);
    lcd.setCursor(0,0);
    lcd.print("                ");
    lcd.setCursor(0,1);
    lcd.print("Humidity: ");
    lcd.print(DHT.humidity);
    lcd.print("%");
    delay(500);
  }
lcd.setCursor(0,0);
lcd.print("Temp: ");
lcd.print(DHT.temperature);
lcd.write((byte)0);
delay(3000);
}


//______________________
//    KOSTEUSHÄLYTYS
//______________________

if (DHT.humidity < kosteusarvo){
  for(int x=0; x<2; x++){
    digitalWrite(piip, HIGH);
    lcd.setCursor(0,0);
    lcd.print("Temp: ");
    lcd.print(DHT.temperature);
    lcd.write((byte)0);

    lcd.setCursor(0,1);
    lcd.print(" DRY! DRY! DRY! ");
    lcd.setCursor(0,1);
    delay(500);

    digitalWrite(piip, LOW);
    lcd.setCursor(0,0);
    lcd.print("Temp: ");
    lcd.print(DHT.temperature);
    lcd.write((byte)0);
    lcd.setCursor(0,1);
    lcd.print("                ");
    delay(500);
  }
lcd.setCursor(0,1);
lcd.print("Humidity: ");
lcd.print(DHT.humidity);
lcd.print("%          ");
delay(3000);
}

}