ESP32 - MAC ADDRESS

ESP32 MAC Address Example

Introduction

MAC Address stands for Media Access Control Address and it is a hardware unique identifier that identifies each device on a network. MAC Addresses are made up of six groups of two hexadecimal digits, separated by colons, for example: AA:AE:AA:AA:AA:AA. MAC Addresses are assigned by manufacturers and can not be changed, but user can programmatically give a custom MAC Address. However, every time the board resets, it will return to its original MAC Address.

MAC Address -

Step 1: Connect Board to Laptop

Step 2: MAC Address Example Code

Select boar ESP32 DEV Module from Tools >> Boards menu, then select appropriate com port. Upload this program to ESP32.

After uploading the code, open the Serial Monitor at a baud rate of 115200. Press the on-board RESET or EN button.

The MAC Address should be printed in the Serial Monitor

#include <WiFi.h>

void setup(){

Serial.begin(115200);

Serial.print("ESP Board MAC Address: ");

Serial.println(WiFi.macAddress());

}

void loop(){

}

Download Code

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