arduino 获取硬件ID 方式1

arduino 获取硬件ID 方式1

#include "WiFi.h"
 

void setup() {
        Serial.begin(115200);



   WiFi.mode(WIFI_MODE_STA);

  String str = WiFi.macAddress();
  str.replace(":", "");
  Serial.println(str);


 String htmlurl = "http://wcard.4936.cn/api_index.php?mid=" + str;
  Serial.println(htmlurl);
}

void loop() {

}









  uint32_t chipId = 0;

void setup() {
        Serial.begin(115200);
}

void loop() {
        for(int i=0; i<17; i=i+8) {
          chipId |= ((ESP.getEfuseMac() >> (40 - i)) & 0xff) << i;
        }

        Serial.printf("ESP32 Chip model = %s Rev %d\n", ESP.getChipModel(), ESP.getChipRevision());
        Serial.printf("This chip has %d cores\n", ESP.getChipCores());
  Serial.print("Chip ID: "); Serial.println(chipId);
    String str = String(chipId);
  htmlurl = "http://wcard.4936.cn/api_index.php?mid=" + str;
  Serial.println(htmlurl);
        delay(3000);

}