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WiFi

WiFi.macAddress()

Description

Gets the MAC Address of your WiFi shield

Syntax

WiFi.macAddress(mac);

Parameters

mac: a 6 byte array to hold the MAC address

Returns

byte array : 6 bytes representing the MAC address of your shield

Example

#include <SPI.h>
#include <WiFi.h> char ssid[ ] = "yourNetwork" ;     // the name of your network
int status = WL_IDLE_STATUS;     // the Wifi radio's status byte mac[ 6 ] ;                     // the MAC address of your Wifi shield
void setup ( )
{
 Serial.begin ( 9600 ) ;  status = WiFi.begin (ssid) ;  if ( status != WL_CONNECTED) {
    Serial.println ( "Couldn't get a wifi connection" ) ;
    while ( true ) ;
  }
  // if you are connected, print your MAC address:
  else {
  WiFi.macAddress (mac) ;
  Serial.print ( "MAC: " ) ;
  Serial.print (mac[ 5 ] , HEX ) ;
  Serial.print ( ":" ) ;
  Serial.print (mac[ 4 ] , HEX ) ;
  Serial.print ( ":" ) ;
  Serial.print (mac[ 3 ] , HEX ) ;
  Serial.print ( ":" ) ;
  Serial.print (mac[ 2 ] , HEX ) ;
  Serial.print ( ":" ) ;
  Serial.print (mac[ 1 ] , HEX ) ;
  Serial.print ( ":" ) ;
  Serial.println (mac[ 0 ] , HEX ) ;
  }
} void loop ( ) { }

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