Morse Project with function, parameters and switch
SOS code with 3 functions
const byte ledPin = 13;
void setup(){
// Use ledPin as output
pinMode(ledPin, OUTPUT);
//Create a function for short blink
void shortBlink(){
// Make a single short blin
digitalWrite(ledPin, HIGH);
delay(200);
digitalWrite(ledPin, LOW);
delay(200);
void longBlink(){
// Make a single long blink
digitalWrite(ledPin, HIGH);
delay(600);
digitalWrite(ledPin, LOW);
delay(200);
}
void morseBlink(char character) {
/*morseBlink is a function that only depends on one argument or parameter named character (I choose that name). This parameter is variable of char type,
and char type is a number corresponding to ASCII characters*/
// Translate character to Morse code
switch(character){
/*Switch is a common function in programing languages and is an alternative to "If", "else" statements or instructions equivalent to
if character =="s" and break means stop and end of the code */
case ‘s‘:
shortBlink();
shortBlink();
shortBlink();
break;
case ‘o‘:
longBlink();
longBlink();
longBlink();
break;
}
}
void loop() {
// Start blinking SOS
morseBlink(‘s‘);
morseBlink(‘o‘);
morseBlink(‘s’);
}