Program arduino lock door with RFID sensor

 PROGRAM ARDUINO LOCK DOOR DENGAN SENSOR RFID CARD

Kali ini saya akan membagikan program arduino project buka tutup pintu dengan menggunakan sensor RFID dan penggerak servo, serta led sebagai notifikasi dan buzzer sebagai alarm, berikut rangkain dan programnya.

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#include <SPI.h>

#include <MFRC522.h>

#include <Servo.h>

 

#define SS_PIN 10

#define RST_PIN 9

#define LED_G 5 //define green LED pin

#define LED_R 4 //define red LED

#define BUZZER 2 //buzzer pin

MFRC522 mfrc522(SS_PIN, RST_PIN);   // Create MFRC522 instance.

Servo myServo; //define servo name

 

void setup()

{

  Serial.begin(9600);   // Initiate a serial communication

  SPI.begin();      // Initiate  SPI bus

  mfrc522.PCD_Init();   // Initiate MFRC522

  myServo.attach(3); //servo pin

  myServo.write(0); //servo start position

  pinMode(LED_G, OUTPUT);

  pinMode(LED_R, OUTPUT);

  pinMode(BUZZER, OUTPUT);

  noTone(BUZZER);

  Serial.println("Put your card to the reader...");

  Serial.println();

}

void loop()

{

  // Look for new cards

  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();

  Serial.print("Message : ");

  content.toUpperCase();

  if (content.substring(1) == "60 BE 40 A8")

  //if (content.substring(2) == "30 85 A2 79")//change here the UID of the card/cards that you want to give access

  {

    Serial.println("Authorized access");

    Serial.println();

    delay(500);

    digitalWrite(LED_G, HIGH);

    tone(BUZZER, 500);

    delay(300);

    noTone(BUZZER);

    myServo.write(180);

    delay(5000);

    myServo.write(0);

    digitalWrite(LED_G, LOW);

  }

 

 else   {

    Serial.println(" Access denied");

    digitalWrite(LED_R, HIGH);

    tone(BUZZER, 300);

    delay(1000);

    digitalWrite(LED_R, LOW);

    noTone(BUZZER);

  }

}

NOTE : perhatikan setiap pin input output yang kalian pasang

Location: Indonesia

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