RFID-RC522 NFC Kit MFRC522 S50 Mifare incl. RFID Fudan Card and Key Tag

/*
 * ==================================================================
 *  Generated by Codey.online  —  https://www.codey.online
 * ==================================================================
 *  Project   : RC522 RFID Card Reader UID Scanner
 *  Board     : Arduino UNO (arduino:avr:uno)
 *  Parts     : RFID RC522 Module 13.56MHz
 *  Libraries : MFRC522 1.4.12
 *
 *  Codey Online is an AI-powered browser IDE for Arduino and ESP32.
 *  Describe your project and Codey writes the code, draws the wiring
 *  diagram and uploads it to your board, straight from the browser.
 *  This code is free to use, modify and share, without warranty.
 * ==================================================================
 */

#include <SPI.h>
#include <MFRC522.h>

#define SS_PIN 10
#define RST_PIN 9

MFRC522 rfid(SS_PIN, RST_PIN);

void setup() {
  Serial.begin(115200);
  while (!Serial) {
    ; // Wait for serial port
  }

  SPI.begin();
  rfid.PCD_Init();

  Serial.println(F("RC522 RFID Reader Ready."));
  Serial.println(F("Place an RFID card/tag near the antenna..."));
}

void loop() {
  // Look for new RFID cards
  if (!rfid.PICC_IsNewCardPresent() || !rfid.PICC_ReadCardSerial()) {
    return;
  }

  Serial.print(F("Card UID: "));
  for (byte i = 0; i < rfid.uid.size; i++) {
    if (rfid.uid.uidByte[i] < 0x10) {
      Serial.print(F("0"));
    }
    Serial.print(rfid.uid.uidByte[i], HEX);
    if (i < rfid.uid.size - 1) {
      Serial.print(F(" "));
    }
  }
  Serial.println();

  // Print card type
  MFRC522::PICC_Type piccType = rfid.PICC_GetType(rfid.uid.sak);
  Serial.print(F("Card Type: "));
  Serial.println(rfid.PICC_GetTypeName(piccType));
  Serial.println();

  // Stop reading current card
  rfid.PICC_HaltA();
  rfid.PCD_StopCrypto1();
}

/*
 * ==================================================================
 *  Generated by Codey.online  —  https://www.codey.online
 * ==================================================================
 *  Project   : RFID RC522 Card UID Reader with ESP32
 *  Board     : ESP32 DEVKIT V1 (esp32:esp32:esp32doit-devkit-v1)
 *  Parts     : RFID RC522 Module 13.56MHz
 *  Libraries : MFRC522 1.4.12
 *
 *  Codey Online is an AI-powered browser IDE for Arduino and ESP32.
 *  Describe your project and Codey writes the code, draws the wiring
 *  diagram and uploads it to your board, straight from the browser.
 *  This code is free to use, modify and share, without warranty.
 * ==================================================================
 */

#include <SPI.h>
#include <MFRC522.h>

#define SS_PIN  5
#define RST_PIN 4

MFRC522 rfid(SS_PIN, RST_PIN);

void setup() {
  Serial.begin(115200);
  while (!Serial);

  SPI.begin();     // Initialize SPI bus
  rfid.PCD_Init(); // Initialize MFRC522 reader

  Serial.println("--- RFID RC522 Initialized ---");
  Serial.println("Hold an RFID card or key fob near the reader...");
}

void loop() {
  // Look for new RFID cards
  if (!rfid.PICC_IsNewCardPresent()) {
    return;
  }

  // Select one of the cards
  if (!rfid.PICC_ReadCardSerial()) {
    return;
  }

  // Print Card UID
  Serial.print("Card UID: ");
  for (byte i = 0; i < rfid.uid.size; i++) {
    if (rfid.uid.uidByte[i] < 0x10) {
      Serial.print(" 0");
    } else {
      Serial.print(" ");
    }
    Serial.print(rfid.uid.uidByte[i], HEX);
  }
  Serial.println();

  // Print PICC type
  MFRC522::PICC_Type piccType = rfid.PICC_GetType(rfid.uid.sak);
  Serial.print("Card Type: ");
  Serial.println(rfid.PICC_GetTypeName(piccType));

  // Halt PICC and stop encryption
  rfid.PICC_HaltA();
  rfid.PCD_StopCrypto1();

  delay(1000);
}