int myKeyDot=7;
int myKeyDash=8;

int delayDot=120;
int delayDash= 3 * delayDot;

int delayLetter = 3 * delayDot;
int delayWord = 7 * delayDot;

int spaceDelay = 100;

int valDot = 0;
int valDash = 0;

int oldValDot = 0;
int oldValDash = 0;

int myTone=440;

int myPiezoPin = 11;

void setup() {

  pinMode(myKeyDot, INPUT);
  pinMode(myKeyDash, INPUT);

  // initialize the serial communication:
  Serial.begin(9600);
  Serial.println("Start");

}

void loop() {


  valDot=digitalRead(myKeyDot);
  valDash=digitalRead(myKeyDash);

  if(valDot != oldValDot){
    oldValDot = valDot;
    if(valDot){
      Serial.println("Dot");
      tone(myPiezoPin, myTone, delayDot);
      delay(delayDot);

    }
  }

  if(valDash != oldValDash){
    oldValDash = valDash;
    if(valDash){
      Serial.println("Dash");
      tone(myPiezoPin, myTone, delayDash);
      delay(delayDash);
    }
  }

}