#include <SoftwareSerial.h> //to create another serial port on different pins.
SoftwareSerial ArduinoSerial(10, 11); // RX, TX

void setup() {
  Serial.begin(9600);
  ArduinoSerial.begin(9600);
  Serial.println("Arduino ready");

}

void loop() {
  ArduinoSerial.println("Hello from Arduino!");
  delay(1000);
}