    LoRaLib FSK Modem Example
 
    This example shows how to use FSK modem in SX127x chips.
+   NOTE: The code below is just a guide, do not attempt
+         to run it!
 
    For more detailed information, see the LoRaLib Wiki
    https://github.com/jgromes/LoRaLib/wiki

  // transmit FM note at 500 Hz for 1 second
  tone(4, 500);
  delay(1000);
}

  if (state != ERR_NONE) {
    Serial.println(F("Unable to start direct mode, code "));
  }

  // using the direct mode, it is possible to transmit
  // FM notes with Arduino tone() function
