zadnje_ocitanje=millis();

void readLIGHT()

{

if ((millis()-zadnje_ocitanje)>8000)

{

zadnje_ocitanje=millis();

String string1 = "Lighting percentage: ";

String string2 = string1 + light;

int value_pir = digitalRead(PIR);

String string3 = "Motion detector: ";

String string4 = string3 + value_pir;

light = map(analogRead(ldrPin) , 0 , 1024 , 1 , 100);

Serial.println(string2);

Serial.println(string4);

if ((light < 60) && ( value_pir == HIGH) )

{

digitalWrite(lightingOutput, HIGH);

Serial.println("Lighting ON");

}

else

{

digitalWrite(lightingOutput, LOW);

Serial.println("Lighting OFF");

}

}

}

#include <Servo.h>
#include "DHT.h"
#include <SPI.h>
#include <MFRC522.h>
#include <Wire.h>


#define SERVO_PIN 8
#define SS_PIN 10
#define RST_PIN 9

#define lightingOutput A2
#define ldrPin A0
#define PIR 7

#define ledGrn 6

#define heatingOutput A3
#define coolingOutput A4

#define DHTPIN 2
#define DHTTYPE DHT11


MFRC522 mfrc522(SS_PIN, RST_PIN); // Create instance of our reader
Servo myservo; // Create instance of our motor /// create servo object to control a servo

DHT dht(DHTPIN, DHTTYPE);     //// Initialize DHT sensor for normal 16mhz Arduino


int pos;
int light;
float h, t;
int soundSensor=A1;
int LED=5;
boolean LEDStatus=false;
const int buzzer = 4;

long zadnje_ocitanje=0;


void setup()
{

  Serial.begin(9600);
  dht.begin();
  SPI.begin();
  mfrc522.PCD_Init();
  myservo.attach(SERVO_PIN);
  myservo.write(0);


  pinMode(heatingOutput, OUTPUT);
  pinMode(coolingOutput, OUTPUT);
  pinMode(ledGrn, OUTPUT);
  pinMode(soundSensor,INPUT);
  pinMode(LED,OUTPUT);
  pinMode(lightingOutput, OUTPUT);

  zadnje_ocitanje=millis();

}
void loop() {

  Serial.println("nHOME AUTOMATIONn");


  readSOUND();
  readRFID();
  readDHT();
  readLIGHT();

delay(1000);

}


////////////////////////////////////////////
void readRFID()

{



  //Look for new cards
  if ( ! mfrc522.PICC_IsNewCardPresent() ) {
    return;
  }
  if ( ! mfrc522.PICC_ReadCardSerial() ) {
    return;
  }
  // If a card is detected, execute the following:
  Serial.println("Time to open");
  // Print the card's ID
  String content = "";
  byte letter;
  for ( byte i = 0; i < mfrc522.uid.size; i++ ) {
    content.concat(String(mfrc522.uid.uidByte[i], HEX));
    if ( i < mfrc522.uid.size - 1 ) content += "-";
  }
  content.toUpperCase();
  Serial.println();
  Serial.println("UID tag :’" + content + "‘");

  if (content == "C0-E5-86-25") {

    Serial.println("Authorized access");

    digitalWrite(ledGrn, HIGH);


    for (pos = 0; pos <= 90; pos += 1) {
      myservo.write(pos);
      delay(25);
    }
    for (pos = 90; pos >= 0; pos -= 1) {
      myservo.write(pos);
      delay(70);

      digitalWrite(ledGrn, LOW);

    }
  }
  else {
    Serial.println("Access Denied");
      tone(buzzer, 1000, 6000);

  }
}

//////////////////////////////////////////////////////

void readDHT()
{




  h = dht.readHumidity();
  t = dht.readTemperature();
  Serial.print("Humidity: ");
  Serial.print(h);
  Serial.print(" %t");
  Serial.print("Temperature: ");
  Serial.print(t);
  Serial.print(" *C ");
  Serial.println();


  if (t < 18) //if temperature is less than 18 celcius
  {
    digitalWrite(heatingOutput, HIGH);
    Serial.print("Heating activatedn");
  }
  else
  {
    digitalWrite(heatingOutput, LOW);
  }

  if (t > 22) //if temperature is more than 22 celcius
  {
    digitalWrite(coolingOutput, HIGH);
    Serial.print("Cooling activatedn");
  }
  else
  {
    digitalWrite(coolingOutput, LOW);
  }

}



//////////////////////////////////////////////////////

void readLIGHT()
{

 if ((millis()-zadnje_ocitanje)>6000)
  {
    zadnje_ocitanje=millis();
  // sadasnje vrijeme postaje zadnje ocitanje

  String string1 = "Lighting percentage: ";
  String string2 = string1 + light;

  int value_pir = digitalRead(PIR);

  String string3 = "Motion detector: ";
  String string4 = string3 + value_pir;
  light = map(analogRead(ldrPin) , 0 , 1024 , 1 , 100);
  Serial.println(string2);
  Serial.println(string4);


  if ((light < 50) && ( value_pir == HIGH) )
  {
    digitalWrite(lightingOutput, HIGH);
    Serial.println("Lighting ON");

  }
  else
  {
    digitalWrite(lightingOutput, LOW);
    Serial.println("Lighting OFF");

  }


  }


}


//////////////////////////////////////////////////////////////

void readSOUND()
{
  int SensorData=analogRead(soundSensor);


  if(SensorData>600){

    if(LEDStatus==false){
        LEDStatus=true;
        digitalWrite(LED,HIGH);
    }
    else{
        LEDStatus=false;
        digitalWrite(LED,LOW);
    }

    delay(50);
  }

}