Don't forget to put
Serial.begin(your_speed_here); // such as 9600
Serial.flush; // clears out the receive register to start.
in void (setup) on both sides.
and test for
if Serial.available() >0;
before you try reading any characters.
Don't forget to put
Serial.begin(your_speed_here); // such as 9600
Serial.flush; // clears out the receive register to start.
in void (setup) on both sides.
and test for
if Serial.available() >0;
before you try reading any characters.