how to get HEX code or UID code from RF tag in tamil

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codings for this video

/*
PINOUT:
RC522 MODULE    Uno/Nano     MEGA
SDA             D10          D9
SCK             D13          D52
MOSI            D11          D51
MISO            D12          D50
IRQ             N/A          N/A
GND             GND          GND
RST             D9           D8
3.3V            3.3V         3.3V
*/
#include <MFRC522.h>
#include <SPI.h>

MFRC522 rfid(10,9);  //ss pin(SDA pin) and rst pin
void setup() {
  Serial.begin(9600);
  SPI.begin();
  rfid.PCD_Init();

  Serial.println("scaning");
}

void loop() {
  if(!rfid.PICC_IsNewCardPresent())
  {
    return;
  }
  if(!rfid.PICC_ReadCardSerial())
  {
    return;
 }
  
 rfid.PICC_DumpToSerial(&(rfid.uid));
}
*******************************************************************************
copy the codings and upload 

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