smartlock.ino

//#include <Adafruit_NeoPixel.h>
#include <SPI.h>
#include <MFRC522.h>
#include <Servo.h>

#define RINGPIN 6
#define SS_PIN 10
#define RST_PIN 9

Servo myservo;  // create servo object to control a servo
// twelve servo objects can be created on most boards

int pos = 0;    // variable to store the servo position

MFRC522 mfrc522(SS_PIN, RST_PIN);

uint8_t NUMPIXELS = 10;      // total number of LED's in the ring display
int ot = 1;

//Tone
const int c = 261;
const int d = 294;
const int e = 329;
const int f = 349;
const int g = 391;
const int gS = 415;
const int a = 440;
const int aS = 455;
const int b = 466;
const int cH = 523;
const int cSH = 554;
const int dH = 587;
const int dSH = 622;
const int eH = 659;
const int fH = 698;
const int fSH = 740;
const int gH = 784;
const int gSH = 830;
const int aH = 880;

const int buzzerPin = 7;

//end Tone

void setup() {
  // put your setup code here, to run once:
  myservo.attach(5);
  //Setup pin modes
  pinMode(buzzerPin, OUTPUT);
  Serial.begin(9600);
  SPI.begin();      // Initiate  SPI bus
  mfrc522.PCD_Init();   // Initiate MFRC522
  Serial.println("Please Scan Your Card...");
  Serial.println();
}

void loop() {

  if ( ! mfrc522.PICC_IsNewCardPresent())
  {
    return;
  }
  // Select one of the cards
  if ( ! mfrc522.PICC_ReadCardSerial())
  {
    return;
  }
  //Show UID on serial monitor
  Serial.print("UID tag :");
  String content = "";
  byte letter;
  for (byte i = 0; i < mfrc522.uid.size; i++)
  {
    Serial.print(mfrc522.uid.uidByte[i] < 0x10 ? " 0" : " ");
    Serial.print(mfrc522.uid.uidByte[i], HEX);
    content.concat(String(mfrc522.uid.uidByte[i] < 0x10 ? " 0" : " "));
    content.concat(String(mfrc522.uid.uidByte[i], HEX));
  }

  Serial.println();
  content.toUpperCase();
  if (content.substring(1) == "9B D2 54 0D") //change here the UID of the card/cards that you want to give access
  {
    Serial.println("Card Identified");
    digitalWrite(7, HIGH);
    delay(200);
    digitalWrite(7, LOW);
    delay(200);
    digitalWrite(7, HIGH);
    delay(200);
    digitalWrite(7, LOW);
    Serial.println();

    myservo.write(180);
    delay(3000);
    myservo.write(90);

  } 

  else if (content.substring(1) == "93 F6 B2 1A")  //change here the UID of the card/cards that you want to give access
  {
    Serial.println("Card Not Identified");
    digitalWrite(7, HIGH);
    delay(200);
    digitalWrite(7, LOW);
    delay(200);
    digitalWrite(7, HIGH);
    delay(200);
    digitalWrite(7, LOW);
    delay(200);
    digitalWrite(7, HIGH);
    delay(200);
    digitalWrite(7, LOW);

    delay(2000);
  }

   //else if (content.substring(1) == "02 A8 5E 81 D0 B8 90")  //Credit Card
  else  {
    Serial.println("Music Time!");
    //Play first section
    firstSection();

    //Play second section
    secondSection();

    //Variant 1
    beep(f, 250);
    beep(gS, 500);
    beep(f, 350);
    beep(a, 125);
    beep(cH, 500);
    beep(a, 375);
    beep(cH, 125);
    beep(eH, 650);

    delay(500);

    //Repeat second section
    secondSection();

    //Variant 2
    beep(f, 250);
    beep(gS, 500);
    beep(f, 375);
    beep(cH, 125);
    beep(a, 500);
    beep(f, 375);
    beep(cH, 125);
    beep(a, 650);

    delay(650);

  }

}

void beep(int note, int duration)
{
  //Play tone on buzzerPin
  tone(buzzerPin, note, duration);

  delay(duration);

  //Stop tone on buzzerPin
  noTone(buzzerPin);

  delay(50);

}

void firstSection()
{
  beep(a, 500);
  beep(a, 500);
  beep(a, 500);
  beep(f, 350);
  beep(cH, 150);
  beep(a, 500);
  beep(f, 350);
  beep(cH, 150);
  beep(a, 650);

  delay(500);

  beep(eH, 500);
  beep(eH, 500);
  beep(eH, 500);
  beep(fH, 350);
  beep(cH, 150);
  beep(gS, 500);
  beep(f, 350);
  beep(cH, 150);
  beep(a, 650);

  delay(500);
}

void secondSection()
{
  beep(aH, 500);
  beep(a, 300);
  beep(a, 150);
  beep(aH, 500);
  beep(gSH, 325);
  beep(gH, 175);
  beep(fSH, 125);
  beep(fH, 125);
  beep(fSH, 250);

  delay(325);

  beep(aS, 250);
  beep(dSH, 500);
  beep(dH, 325);
  beep(cSH, 175);
  beep(cH, 125);
  beep(b, 125);
  beep(cH, 250);

  delay(350);
}