Blink 6 (SOS)

Blink 6 + Loudspeaker

Blink 6 (Juan Antonio)

Blink 6 (Joel)

Here is the entire code:

const int led = 12;
String code = "";
int len = 0;
char ch;
char new_char;
int unit_delay = 250;
void dot()
{
Serial.print(".");
we define the .
digitalWrite(led, HIGH);
tone(8, 262, 200);
the pin, the hz(how sharp it is), the time
delay(unit_delay);
digitalWrite(led, LOW);
delay(unit_delay);
}
void dash()
{
Serial.print("-");
we define the -
digitalWrite(led, HIGH);
tone(8, 440, 600);
delay(unit_delay * 3);
digitalWrite(led, LOW);
delay(unit_delay);
}
void A()
we define all letters with dots and dashes from A-Z
{
dot();
delay(unit_delay);
dash();
delay(unit_delay);
}
void B()
{
dash();
delay(unit_delay);
dot();
delay(unit_delay);
dot();
delay(unit_delay);
dot();
delay(unit_delay);
}
void C()
{
dash();
delay(unit_delay);
dot();
delay(unit_delay);
dash();
delay(unit_delay);
dot();
delay(unit_delay);
}
void D()
{
dash();
delay(unit_delay);
dot();
delay(unit_delay);
dot();
delay(unit_delay);
}
void E()
{
dot();
delay(unit_delay);
}
void f()
{
dot();
delay(unit_delay);
dot();
delay(unit_delay);
dash();
delay(unit_delay);
dot();
delay(unit_delay);
}
void G()
{
dash();
delay(unit_delay);
dash();
delay(unit_delay);
dot();
delay(unit_delay);
}
void H()
{
dot();
delay(unit_delay);
dot();
delay(unit_delay);
dot();
delay(unit_delay);
dot();
delay(unit_delay);
}
void I()
{
dot();
delay(unit_delay);
dot();
delay(unit_delay);
}
void J()
{
dot();
delay(unit_delay);
dash();
delay(unit_delay);
dash();
delay(unit_delay);
dash();
delay(unit_delay);
}
void K()
{
dash();
delay(unit_delay);
dot();
delay(unit_delay);
dash();
delay(unit_delay);
}
void L()
{
dot();
delay(unit_delay);
dash();
delay(unit_delay);
dot();
delay(unit_delay);
dot();
delay(unit_delay);
}
void M()
{
dash();
delay(unit_delay);
dash();
delay(unit_delay);
}
void N()
{
dash();
delay(unit_delay);
dot();
delay(unit_delay);
}
void O()
{
dash();
delay(unit_delay);
dash();
delay(unit_delay);
dash();
delay(unit_delay); }
void P()
{
dot();
delay(unit_delay);
dash();
delay(unit_delay);
dash();
delay(unit_delay);
dot();
}
void Q()
{
dash();
delay(unit_delay);
dash();
delay(unit_delay);
dot();
delay(unit_delay);
dash();
delay(unit_delay);
}
void R()
{
dot();
delay(unit_delay);
dash();
delay(unit_delay);
dot();
delay(unit_delay);
}
void S()
{
dot();
delay(unit_delay);
dot();
delay(unit_delay);
dot();
delay(unit_delay);
}
void T()
{
dash();
delay(unit_delay);
}
void U()
{
dot();
delay(unit_delay);
dot();
delay(unit_delay);
dash();
delay(unit_delay);
}
void V()
{
dot();
delay(unit_delay);
dot();
delay(unit_delay);
dot();
delay(unit_delay);
dash();
delay(unit_delay);
}
void W()
{
dot();
delay(unit_delay);
dash();
delay(unit_delay);
dash();
delay(unit_delay);
}
void X()
{
dash();
delay(unit_delay);
dot();
delay(unit_delay);
dot();
delay(unit_delay);
dash();
delay(unit_delay);
}
void Y()
{
dash();
delay(unit_delay);
dot();
delay(unit_delay);
dash();
delay(unit_delay);
dash();
delay(unit_delay);
}
void Z()
{
dash();
delay(unit_delay);
dash();
delay(unit_delay);
dot();
delay(unit_delay);
dot();
delay(unit_delay);
}
void one()
//we define all letters with dots and dashes from 0-9
{
dot();
delay(unit_delay);
dash();
delay(unit_delay);
dash();
delay(unit_delay);
dash();
delay(unit_delay);
dash();
delay(unit_delay);
}
void two()
{
dot();
delay(unit_delay);
dot();
delay(unit_delay);
dash();
delay(unit_delay);
dash();
delay(unit_delay);
dash();
delay(unit_delay);
}
void three()
{
dot();
delay(unit_delay);
dot();
delay(unit_delay);
dot();
delay(unit_delay);
dash();
delay(unit_delay);
dash();
delay(unit_delay);
}
void four()
{
dot();
delay(unit_delay);
dot();
delay(unit_delay);
dot();
delay(unit_delay);
dot();
delay(unit_delay);
dash();
delay(unit_delay);
}
void five()
{
dot();
delay(unit_delay);
dot();
delay(unit_delay);
dot();
delay(unit_delay);
dot();
delay(unit_delay);
dot();
delay(unit_delay);
}
void six()
{
dash();
delay(unit_delay);
dot();
delay(unit_delay);
dot();
delay(unit_delay);
dot();
delay(unit_delay);
dot();
delay(unit_delay);
}
void seven()
{
dash();
delay(unit_delay);
dash();
delay(unit_delay);
dot();
delay(unit_delay);
dot();
delay(unit_delay);
dot();
delay(unit_delay);
}
void eight()
{
dash();
delay(unit_delay);
dash();
delay(unit_delay);
dash();
delay(unit_delay);
dot();
delay(unit_delay);
dot();
delay(unit_delay);
}
void nine()
{
dash();
delay(unit_delay);
dash();
delay(unit_delay);
dash();
delay(unit_delay);
dash();
delay(unit_delay);
dot();
delay(unit_delay);
}
void zero()
{
dash();
delay(unit_delay);
dash();
delay(unit_delay);
dash();
delay(unit_delay);
dash();
delay(unit_delay);
dash();
delay(unit_delay);
}
void morse()
{
if (ch == 'A' || ch == 'a')
we say that upper case letters are the same as lower case letters
{
A();
Serial.print(" ");
}
else if (ch == 'B' || ch == 'b')
{
B();
Serial.print(" ");
}
else if (ch == 'C' || ch == 'c')
{
C();
Serial.print(" ");
}
else if (ch == 'D' || ch == 'd')
{
D();
Serial.print(" ");
}
else if (ch == 'E' || ch == 'e')
{
E();
Serial.print(" ");
}
else if (ch == 'f' || ch == 'f')
{
f();
Serial.print(" ");
}
else if (ch == 'G' || ch == 'g')
{
G();
Serial.print(" ");
}
else if (ch == 'H' || ch == 'h')
{
H();
Serial.print(" ");
}
else if (ch == 'I' || ch == 'i')
{
I();
Serial.print(" ");
}
else if (ch == 'J' || ch == 'j')
{
J();
Serial.print(" ");
}
else if (ch == 'K' || ch == 'k')
{
K();
Serial.print(" ");
}
else if (ch == 'L' || ch == 'l')
{
L();
Serial.print(" ");
}
else if (ch == 'M' || ch == 'm')
{
M();
Serial.print(" ");
}
else if (ch == 'N' || ch == 'n')
{
N();
Serial.print(" ");
}
else if (ch == 'O' || ch == 'o')
{
O();
Serial.print(" ");
}
else if (ch == 'P' || ch == 'p')
{
P();
Serial.print(" ");
}
else if (ch == 'Q' || ch == 'q')
{
Q();
Serial.print(" ");
}
else if (ch == 'R' || ch == 'r')
{
R();
Serial.print(" ");
}
else if (ch == 'S' || ch == 's')
{
S();
Serial.print(" ");
}
else if (ch == 'T' || ch == 't')
{
T();
Serial.print(" ");
}
else if (ch == 'U' || ch == 'u')
{
U();
Serial.print(" ");
}
else if (ch == 'V' || ch == 'v')
{
V();
Serial.print(" ");
}
else if (ch == 'W' || ch == 'w')
{
W();
Serial.print(" ");
}
else if (ch == 'X' || ch == 'x')
{
X();
Serial.print(" ");
}
else if (ch == 'Y' || ch == 'y')
{
Y();
Serial.print(" ");
}
else if (ch == 'Z' || ch == 'z')
{
Z();
Serial.print(" ");
}
else if (ch == '0')
{
zero();
si pones los números en letras ex: zero
Serial.print(" ");
}
else if (ch == '1')
{
one();
Serial.print(" ");
}
else if (ch == '2')
{
two();
Serial.print(" ");
}
else if (ch == '3')
{
three();
Serial.print(" ");
}
else if (ch == '4')
{
four();
Serial.print(" ");
}
else if (ch == '5')
{
five();
Serial.print(" ");
}
else if (ch == '6')
{
six();
Serial.print(" ");
}
else if (ch == '7')
{
seven();
Serial.print(" ");
}
else if (ch == '8')
{
eight();
Serial.print(" ");
}
else if (ch == '9')
{
nine();
Serial.print(" ");
}
else if(ch == ' ')
{
delay(unit_delay*7);
Serial.print("/ ");
}
else
Serial.println("Unknown symbol!");
}
void String2Morse()
{
len = code.length();
for (int i = 0; i < len; i++)
{
ch = code.charAt(i);
morse();
}
}
void setup() {
Serial.begin(9600);
pinMode(led, OUTPUT);
pinMode(tone, OUTPUT);
Serial.println("I am ready...");
}
void loop() {
while (Serial.available())
{
code = Serial.readString();
Serial.print(code);
Serial.print(" = ");
String2Morse();
Serial.println("");
}
delay(1000);
}

By: Juan Antonio Calvete and Joel Poderós.