uint32_t chipId = 0;

void setup() {
	Serial.begin(115200);
		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(ESP.getEfuseMac());
	Serial.print("Chip ID: "); Serial.println(chipId);
}

void loop() {

  

}