How to find ESP8266/ESP32/ESP32CAM MAC Address (Arduino IDE)

Upload the code to ESP8266 / ESP32 / ESP32CAM boards using Arduino IDE.

#ifdef ESP32
  #include <WiFi.h>
#else
  #include <ESP8266WiFi.h>
#endif

void setup(){
  Serial.begin(115200);
  Serial.println();
  Serial.print("ESP Board MAC Address:  ");
  Serial.println(WiFi.macAddress());
}
 
void loop(){

}

After uploading the code MAC Address show in the Serial Monitor Arduino IDE.

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