Ks0259 keyestudio PN532 NFC/RFID Controller Shield

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keyestudio PN532 NFC/RFID Controller Shield



Introduction

Keyestudio PN532 NFC/RFID Controller Shield based on PN532 chip is used for field communication close to 13.56MHz. This shield is equipped with an antenna onboard, so there is no external antenna coil. It is compatible with SPI, IIC, UART interface to communicate. When using it, directly stack it onto UNO R3 control board.


Specifications

  • Chip:NXP PN532
  • Working Voltage:3.3V
  • Power Voltage:3.3~5.5V
  • Max Power Current:150mA
  • Working Current (standby mode): 100 mA
  • Working Current (write mode): 120 mA
  • Working Current (read mode): 120 mA
  • Pointer: PWR
  • The longest effective communication distance is 5 cm
  • Support SPI, IIC, UART interface switching.
  • Can be used for 13.56M non-contact communication.
  • Compatible with ISO14443 TYPE A and B standard.


Details

  • Dimensions: 69mm x 54mm x 24mm
  • Weight: 18.3g


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Interface Explanation


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Interface Control

There are two slide switches on the shield for you to select the interface mode:

SET0 SET1
UART L L
SPI L H
IIC H L



Simple Hookup

Simply stack the shield onto UNO R3 board .
It uses SPI communication. Connect SCK, MI, MO and NSS on the shield with jumper cap. Then slide SET0 to L, SET1 to H.
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Sample Code

Note: Before compile the code, do remember to add the libraries inside the libraries folder of Arduino IDE.

//This example reads a MIFARE memory block. It is tested with a new MIFARE 1K cards. Uses default keys.
//Contributed by Seeed Technology Inc (www.seeedstudio.com)

#include <PN532.h>
#include <SPI.h>

/*Chip select pin can be connected to D10 or D9 which is hareware optional*/
/*if you the version of NFC Shield from SeeedStudio is v2.0.*/
#define PN532_CS 10

PN532 nfc(PN532_CS);
#define  NFC_DEMO_DEBUG 1

void setup(void) {
#ifdef NFC_DEMO_DEBUG
  Serial.begin(9600);
  Serial.println("Hello!");
#endif
  nfc.begin();

  uint32_t versiondata = nfc.getFirmwareVersion();
  if (! versiondata) {
#ifdef NFC_DEMO_DEBUG
    Serial.print("Didn't find PN53x board");
#endif
    while (1); // halt
  }
#ifdef NFC_DEMO_DEBUG
  // Got ok data, print it out!
  Serial.print("Found chip PN5"); 
  Serial.println((versiondata>>24) & 0xFF, HEX);
  Serial.print("Firmware ver. "); 
  Serial.print((versiondata>>16) & 0xFF, DEC);
  Serial.print('.'); 
  Serial.println((versiondata>>8) & 0xFF, DEC);
  Serial.print("Supports "); 
  Serial.println(versiondata & 0xFF, HEX);
#endif
  // configure board to read RFID tags and cards
  nfc.SAMConfig();
}

void loop(void) {
  uint32_t id;
  // look for MiFare type cards
  id = nfc.readPassiveTargetID(PN532_MIFARE_ISO14443A);

  if (id != 0) 
  {
#ifdef NFC_DEMO_DEBUG
    Serial.print("Read card #"); 
    Serial.println(id);
#endif  
    uint8_t keys[]= { 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF };
    if(nfc.authenticateBlock(1, id ,0x08,KEY_A,keys)) //authenticate block 0x08
    {
      //if authentication successful
      uint8_t block[16];
      //read memory block 0x08
      if(nfc.readMemoryBlock(1,0x08,block))
      {
#ifdef NFC_DEMO_DEBUG
        //if read operation is successful
        for(uint8_t i=0;i<16;i++)
        {
          //print memory block
          Serial.print(block[i],HEX);
          Serial.print(" ");
        }
        Serial.println();
#endif
      }
    }
  }
 delay(500);
}

Note: Before compile the code above, do remember to add the libraries inside the libraries folder of Arduino IDE.
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Test Result

Done uploading the above code, open the serial monitor.
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Then respectively use S50 white card and key chain to test the shield, you will get the information shown below.
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Resources

Download the PDF:
https://drive.google.com/open?id=1c96oFlawsJ3k-vWRw6Gkzhc3mhX13sZf

Download the code:
https://drive.google.com/open?id=1_iMEuSfUs63LtBlmL5ZnWWNIwk95Yyns

Get the libraries PN532.h and SPI.h
https://drive.google.com/open?id=1sP1TKdzJ1Ia_kCsPey7d7aFXGOIj8F2q



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Official Website: http://www.keyestudio.com/ks0259.html

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