WiFi.macAddress()

Posted by On 02 / 27 / 2014 1 Comment

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 <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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The text of the 86Duino reference is a modification of the Arduino reference, and is licensed under a Creative Commons Attribution-ShareAlike 3.0 License. Code samples in the reference are released into the public domain.