Xadow - NFC Tag
Xadow - NFC Tag is a highly integrated Near Field Communication Tag module, this module is I2C interface, which base on M24LR64E-R,M24LR64E-R have a 64-bit unique identifier and 64 -Kbit EEPROM.Xadow - NFC Tag attach an independent PCB antenna which can easily stretch out of any enclosure you use, leaving more room for you to design the exterior of your project.
Specification
- Working Voltage:5V or 3V3
- Working Current<1mA
- 2CM max effective range
- Serve for contactless communication at 13.56MHz
- ISO 15693 and ISO 18000-3 mode 1 compatible
- 64-bit unique identifier (UID)
- Read Block & Write (32-bit blocks)
- I2C Interface
Usage
Read/Write by Mobile
Download NfcV-reader for Androud and install it
We can Read/Write it by Mobile
3.Place your phone close to a tag.
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Control LED
Download NfcV-reader for Android and install it
Download NFC Tag Librename it to NFC_Tag_M24LR6E and put it into Arduino's library .
Open Arduino IDE. If Arduino IDE is already opened, restart it.
In Arduino IDE, click menus: File -> Example -> NFC_Tag_M24LR6E -> ledControl
Now,you can control LED by you phone.
#include "NfcTag.h"
#include <Wire.h>
NfcTag nfcTag;
int led = 5;
bool flag = false;
bool preFlag = false;
void setup(){
Serial.begin(9600);
pinMode(led,OUTPUT);
nfcTag.init();
}
void loop(){
flag = nfcTag.readByte(EEPROM_I2C_LENGTH-1) == 0xff?true:false;
if(flag != preFlag){
Serial.println("get remote NFC control signal!");
if(flag == true){
Serial.println("led will light up!");
digitalWrite(led,HIGH);
}else{
Serial.println("led will turn dark!");
digitalWrite(led,LOW);
}
preFlag = flag;
}
delay(5*1000);
}
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