invio_seriale_mega

void setup() {
  // put your setup code here, to run once:
Serial.begin(115200);
Serial1.begin(57600);
}

void loop() {
  // put your main code here, to run repeatedly:

     Serial1.println("TEST INVIO");
     Serial1.flush();
     Serial.println("Invio effettuato");
     delay(1000);

}