WiFi

localIP()

WiFi.localIP() returns the local IP address assigned to the device as an IPAddress.

SerialLogHandler logHandler;

void setup() {
  // Wait for a USB serial connection for up to 30 seconds
  waitFor(Serial.isConnected, 30000);

  // Prints out the local IP over Serial.
  Log.info("ip address: %s", WiFi.localIP().toString().c_str());
}