如何在 ESP32 (Arduino) 上将 WiFi MAC 地址打印到串口?

就这么简单

print_mac.cpp
Serial.println(WiFi.macAddress());

完整示例

esp32_print_mac_example.cpp
#include <Arduino.h>

void setup() {
    Serial.begin(115200);
    Serial.println(WiFi.macAddress());
}

void loop() {
    // ...
}

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