// Get ESP8266 MAC Address

#include <ESP8266WiFi.h>

void setup()
  {
    Serial.begin(115200);
    WiFi.mode(WIFI_AP_STA);
    Serial.println(); Serial.println();
    Serial.print("Mac Address = ");
    Serial.println(WiFi.macAddress());
  }

void loop()
  {
      // nothing here
  }