RFID Tag 125khz Buton

#include "SoftwareSerial.h"
SoftwareSerial rfid(7, 6); // RX, TX

boolean stare = false;
int reading = 0;

void setup() {
  Serial.begin(9600); // initializeaza portul serial la 9600 baud
  rfid.begin(9600);   // initializeaza modulul rfid la 9600 baud
}

void loop() {  
  while (rfid.available()) {
    reading = rfid.read(); // citeste byte-ul
    if (reading == 2) {
      stare = true;  // '2' reprezinta inceput de string 
      Serial.print("Serie RFID tag: ");
    }
    if (reading == 3) {
      stare = false; // '3' reprezinta sfarsit de string 
      Serial.println(""); 
      delay(5000);
    }
    if (stare && reading != 2 && reading != 10 && reading != 13) { // transmite fiecare byte la serial monitor
      Serial.write(reading); 
    } 
  }
}

Specificatii:

EM4102 64 bit 

Temperatura de operare : -40 °C ~ +85 °C

Frecventa : 125Khz