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	- Project: RFID Reader
	- Source Code NOT compiled for: ESP32 DevKit V1
	- Source Code created on: 2024-05-09 10:54:01

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/****** SYSTEM REQUIREMENTS *****/
/****** SYSTEM REQUIREMENT 1 *****/
	/* RC522 scan cards */
/****** END SYSTEM REQUIREMENTS *****/

/****** DEFINITION OF LIBRARIES *****/
#include <Wire.h>
#include <MFRC522.h>  // Include the MFRC522 library

/****** FUNCTION PROTOTYPES *****/
void setup(void);
void loop(void);

/***** DEFINITION OF I2C PINS *****/
const uint8_t Sceen_LCD1602I2C_I2C_PIN_SDA_D21 = 21;
const uint8_t Sceen_LCD1602I2C_I2C_PIN_SCL_D22 = 22;
const uint8_t Sceen_LCD1602I2C_I2C_SLAVE_ADDRESS = 39;

// Create an instance of the MFRC522 library
MFRC522 mfrc522(/*SS pin*/ 5, /*RST pin*/ 4);  // Change the SS and RST pins as per your wiring

void setup(void)
{
  // put your setup code here, to run once:
  Serial.begin(9600);
  SPI.begin(); // Init SPI bus
  mfrc522.PCD_Init(); // Init MFRC522 card

  Serial.println("Scan RFID card to get the UID...");
}

void loop(void)
{
  // put your main code here, to run repeatedly:
  // Look for new cards
  if (mfrc522.PICC_IsNewCardPresent() && mfrc522.PICC_ReadCardSerial())
  {
    // Show UID on serial monitor
    Serial.print("UID tag :");
    String content = "";
    for (byte i = 0; i < mfrc522.uid.size; i++)
    {
      content.concat(String(mfrc522.uid.uidByte[i] < 0x10 ? " 0" : " "));
      content.concat(String(mfrc522.uid.uidByte[i], HEX));
    }
    content.toUpperCase();
    Serial.println(content);
  }
}

/* END CODE */