#include <SD.h>
#include <Stepper.h>
#include <LiquidCrystal_I2C.h>
#include "DHT.h"
#define DHTPIN 8     
#define DHTTYPE DHT22   
int CS_pin = 10;
DHT dht(DHTPIN, DHTTYPE);
File sd_file;
LiquidCrystal_I2C lcd(0x27, 20, 5);
double hum;
double temp;
const int stepsPerRevolution = 7200;
Stepper myStepper(stepsPerRevolution, 2, 3, 4, 5);

void setup()  {
  Serial.begin(9600);
  lcd.begin(16, 2);
  pinMode(CS_pin, OUTPUT);
  dht.begin();
  lcd.init();
  lcd.backlight();
  lcd.setCursor(1,0);
  lcd.print("UTS Sistem Terbenam");
  lcd.setCursor(1,1);
  lcd.print("Suhu dan Kelembapan");
  lcd.setCursor(1,2);
  lcd.print("Raihana Khalika P");
  lcd.setCursor(1,3);
  lcd.print("3.34.21.3.20");
  delay(3000);
  lcd.clear();

  if (SD.begin())  {
    Serial.println("Initialization done. Card is Ready!");
  } 
  else  {
    Serial.println("Card initialization failed!");
    return;
  }
  File sd_file = SD.open("data.txt", FILE_WRITE);
  if (sd_file)  {
    sd_file.print("Kelembapan");
    sd_file.print(",");
    sd_file.print("Suhu_C");
    sd_file.print(",");
  }
  sd_file.close();
} 

void loop()  {
  hum = dht.readHumidity();
  temp = dht.readTemperature();
    lcd.setCursor(0,0);
    lcd.println("Raihana Khalika P");
    lcd.setCursor(0,1);
    lcd.print("3.34.21.3.20");
     
    lcd.setCursor(0,2);
    lcd.print("Suhu       :");
    lcd.setCursor(13,2);
    lcd.print(temp);
    lcd.setCursor(19,2);
    lcd.print("C");

    lcd.setCursor(0,3);
    lcd.print("Kelembapan :");
    lcd.setCursor(13,3);
    lcd.print(hum);
    lcd.setCursor(19,3);
    lcd.print("%");

  if(temp >= 15 && temp <=22, hum > 80){
    myStepper.step(stepsPerRevolution);
  } 
    File sd_file = SD.open("data.txt", FILE_WRITE);
    if (sd_file)  {
      senddata();
    }
    else  {
      Serial.println("Card initialization failed!");
}
}

void senddata()  {
  for(long seconds = 00; seconds < 60; seconds=seconds+2)  {
    float temp = dht.readTemperature();
    float hum = dht.readHumidity();  
    sd_file.println(hum);
    sd_file.println(temp);
    Serial.print("Kelembapan: ");
    Serial.println(hum);
    Serial.print("Suhu: ");
    Serial.print(temp);
    Serial.println("°C");
    sd_file.flush(); 
   if(temp > 22, hum > 80){
    myStepper.step(stepsPerRevolution);
  sd_file.close();  
   }
}
}