Use Morse Code on an LED!!

This example shows S.O.S in Morse code!

Mar 10, 2021

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Devices & Components

Arduino Uno Rev3

LED (generic)

Hardware & Tools

10 Pc. Jumper Wire Kit, 5 cm Long

Breadboard, 170 Pin

Software & Tools

Arduino IDE

Project description

Code

S.O.S Code

arduino

1int ledPin = 13;
2
3void setup()
4{
5pinMode(ledPin, OUTPUT);
6   
7}
8void flash(int duration)
9{
10digitalWrite(ledPin, HIGH);
11delay(duration);
12digitalWrite(ledPin,   LOW);
13delay(duration);
14
15}
16
17void loop()
18{
19flash(200); flash(200);   flash(200);
20
21delay(300);
22
23flash(500); flash(500); flash(500);
24
25flash(200);   flash(200); flash(200);
26
27delay(1000);
28
29}

int ledPin = 13;

void setup()
{
pinMode(ledPin, OUTPUT);
   
}
void flash(int duration)
{
digitalWrite(ledPin, HIGH);
delay(duration);
digitalWrite(ledPin,   LOW);
delay(duration);

}

void loop()
{
flash(200); flash(200);   flash(200);

delay(300);

flash(500); flash(500); flash(500);

flash(200);   flash(200); flash(200);

delay(1000);

}

S.O.S Code

arduino

1int ledPin = 13;
2
3void setup()
4{
5pinMode(ledPin, OUTPUT);
6  
7}
8void flash(int duration)
9{
10digitalWrite(ledPin, HIGH);
11delay(duration);
12digitalWrite(ledPin,  LOW);
13delay(duration);
14
15}
16
17void loop()
18{
19flash(200); flash(200);  flash(200);
20
21delay(300);
22
23flash(500); flash(500); flash(500);
24
25flash(200);  flash(200); flash(200);
26
27delay(1000);
28
29}

int ledPin = 13;

void setup()
{
pinMode(ledPin, OUTPUT);
  
}
void flash(int duration)
{
digitalWrite(ledPin, HIGH);
delay(duration);
digitalWrite(ledPin,  LOW);
delay(duration);

}

void loop()
{
flash(200); flash(200);  flash(200);

delay(300);

flash(500); flash(500); flash(500);

flash(200);  flash(200); flash(200);

delay(1000);

}

Downloadable files

The schematic

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