#include <Arduino.h>

void setup(){
    Serial.begin(115200);
    Serial1.begin(115200);
    delay(200);
 
    Serial.println("Changing ESP8266 baud, if necessary");
    Serial1.println("AT+UART_CUR=9600,8,1,0,0");
    // Wait for and print the response, if it's intelligible
    delay(100);
    while (Serial1.available()){Serial.write(Serial1.read());}
    Serial.println();

    Serial1.end();
    Serial1.begin(9600);

    Serial.println("Asking the ESP for its default station mac address");
    Serial1.println("AT+CIPSTAMAC_DEF?");
    Serial.println("Response:");
    delay(100);
    while (Serial1.available()){Serial.write(Serial1.read());}
    Serial.println();

 Serial.println("Asking the ESP for its current station mac address");
    Serial1.println("AT+CIPSTAMAC_CUR?");
    Serial.println("Response:");
    delay(100);
    while (Serial1.available()){Serial.write(Serial1.read());}
    Serial.println();
}
void loop(){}  // do no more
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