int incomingByte = 0;

void setup(){
  Serial.begin(9600);
}


void loop(){
  //available the bits that are available to read
  if(Serial.available() > 0){
    incomingByte = Serial.read();
    //read the incoming byte
    Serial.print("I received:");
    Serial.println(incomingByte);
  }
  
 Serial.println("----------");

}