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RFID writer

發表於 2012-8-10 01:56:18 | 顯示全部樓層 |閱讀模式
你好上星期我向貴公司購買一組RFID Writer和tag卡


//Code to write data to Parallax RFID reader/writer 28440 from Arduino
//Program writes to one of the 29 user-defined addresses (3-31) as define by whichSpace
//The four bytes to be written are defined by first, second, third, and fourth
//Coded by vgrhcp, adapted to arduino 1.0 by sebflippers

#include <SoftwareSerial.h>
#define RFID_WRITE 0x02
#define txPin 6
#define rxPin 8

#define whichSpace 4

#define first 1                 // first, second, thrid, and fourth are four arbitrary values which will be written to the RFID tag at address whichSpace
#define second 26
#define third 3
#define fourth 27

SoftwareSerial mySerial(rxPin, txPin);

void setup()
  Serial.println("RFID Write Test");
  pinMode(txPin, OUTPUT);     
  pinMode(rxPin, INPUT);      

void suppressAll()                                      //Keeps error code & the "write confirmation" codes from being printed in the serial monitor      
    if(mySerial.available() > 0)

void loop()
  int val;


if(mySerial.available() > 0) {        
    val =;
    if (val == 1)                                        //If data was written successfully
      { Serial.println("Data written succesfully!");
    else suppressAll();                                  //If an error occured during writing, discard all data recieved from the RFID writer
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