Using Arduino Elechouse's NFC to create vCard

nfc_vcard.ino

#if 0
#include <SPI.h>
#include <PN532_SPI.h>
#include <PN532.h>
#include <NfcAdapter.h>

PN532_SPI pn532spi(SPI, 10);
NfcAdapter nfc = NfcAdapter(pn532spi);
#else

#include <Wire.h>
#include <PN532_I2C.h>
#include <PN532.h>
#include <NfcAdapter.h>

PN532_I2C pn532_i2c(Wire);
NfcAdapter nfc = NfcAdapter(pn532_i2c);
#endif

void setup() {
      Serial.begin(9600);
      Serial.println("NDEF Writer");
      nfc.begin();
}

void loop() {
    Serial.println("\nPlace a formatted Mifare Classic NFC tag on the reader.");
    if (nfc.tagPresent()) {
        NdefMessage message = NdefMessage();
        message.addMimeMediaRecord("text/vcard", "BEGIN:VCARD\nVERSION:4.0\nFN:Oseias Arnaldo\nORG:React\nPHOTO;MEDIATYPE=image/png:http://react.ag/logo.png\nTEL;TYPE=work,voice;VALUE=uri:33432779\nEMAIL:oseia@react.ag\nREV:20080424T195243Z\nEND:VCARD");

        bool success = nfc.write(message);
        if (success) {
          Serial.println("Success. Try reading this tag with your phone.");        
        } else {
          Serial.println("Write failed.");
        }
        
        delay(1000);
        digitalWrite(13, LOW); 
    }
    delay(200);
}

Instead of printing lots of business cards, you can lend over your NFC Card with vCard data