// #include <LiquidCrystal_I2C.h>
#include <Stepper.h>
#include <Servo.h>
#include <DHT.h>

#define DHTTYPE DHT22 
#define DHTPIN 2  
DHT dht(DHTPIN, DHTTYPE);
#define pushButton 12
#define LDR_PIN 5
#define LAMPU 7
#define BEBAN 6
#define SERVO_PIN 3
int inputPIR = 4; // choose the input pin (for PIR sensor)
int val = 0;
int vert, temp, humi;   

// LiquidCrystal_I2C lcd(0x27, 24, 4);

const int stepsPerRevolution = 200;  // change this to fit the number of steps per revolution
// for your motor

// initialize the stepper library on pins 8 through 11:
Stepper myStepper(stepsPerRevolution, 8, 9, 10, 11);

Servo myServo;

void airCond(){
  temp = dht.readTemperature();
  humi = dht.readHumidity();
  if ( temp < 25 ){
    Serial.print("Suhu : ");
    Serial.print(temp);
    Serial.print(" Celcius\n");
    // myStepper.setSpeed(0);
    myStepper.step(20); 
  } else if ( temp >= 26 && temp < 31 ){
    Serial.print("Suhu : ");
    Serial.print(temp);
    Serial.print(" Celcius\n");
    // myStepper.setSpeed(30);
    myStepper.step(70); 
  } else if( temp >= 31 ){
    Serial.print("Suhu : ");
    Serial.print(temp);
    Serial.print(" Celcius\n");
    // myStepper.setSpeed(70);
    myStepper.step(150);    
  }
}

void ldrTrigger(){
  if (digitalRead(LDR_PIN) == LOW) {
    myServo.write(0);
  } else if(digitalRead(LDR_PIN) == HIGH){
    myServo.write(180); 
  }
 
}

void roomTrigger(){
  val = digitalRead(inputPIR);
  int relay = digitalRead((12));
  if(relay){
      digitalWrite(LAMPU, HIGH);
      digitalWrite(BEBAN, HIGH);
  }
  if(val == HIGH){
    Serial.print("Tidak Ada Pergerakan\n");
    digitalWrite(LAMPU, HIGH);
    digitalWrite(BEBAN, HIGH);
  }
  if(val == LOW){
    Serial.print("Tidak Ada Pergerakan\n");
    digitalWrite(LAMPU, LOW);
    digitalWrite(BEBAN, LOW);
  }
}

void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  pinMode(pushButton, INPUT_PULLUP);
  pinMode(LAMPU, OUTPUT);
  pinMode(BEBAN, OUTPUT);
  pinMode(inputPIR, INPUT);
  myServo.attach(SERVO_PIN);
  myStepper.setSpeed(50);
  dht.begin();
}

void loop() {
  // put your main code here, to run repeatedly:
  airCond();
  ldrTrigger();
  roomTrigger();
  delay(1000);
}