SOFTUART

#include <SoftwareSerial.h>
                     SoftwareSerial mySerial(10, 11); // RX, TX
                     void setup()
                     {
                       mySerial.begin(9600);
                       mySerial.println("Hello, world?");
                     }
                     void loop()
                     {
                       if (mySerial.available())
                         mySerial.write(mySerial.read());
                     }