Morse Code Communication Using Arduino

Translation of Morse code to text.

Aug 29, 2018

•

57692 views

•

43 respects

lights

security

communication

Components and supplies

LED (generic)

Buzzer

Pushbutton switch 12mm

Jumper wires (generic)

Breadboard (generic)

Resistor 330 ohm

Arduino UNO

Apps and platforms

Arduino IDE

Project description

Code

Morse Code Source CODE

c_cpp

Now you ready to upload Sketch Simply Open Your Arduino IDE and go to toolbar File->Open->MorseCode.io and click upload button

1/*
2  This Program is for demonstration of MORSE CODE Communication   
3  which was use to send information secretly using codes of combinations dots   .  and dashes - 
4  Thanks to open source community
5
6  By Jalal Mansoori
7*/
8
9
10#define   SIZE 26
11const int ledPin=8;
12const int speakerPin=12;
13const int dotButton=2;
14const   int dashButton=7;
15
16String morseCode="";
17String text="";
18int characterAscii=0;
19int   startPos=0, endPos=0;
20int startPos1=0, endPos1=0;
21String characterCode="";
22int   dashButtonState=0;
23int dotButtonState=0;
24
25
26//Array of MorseCode for   letters of English Language A to Z
27String letters[SIZE]={
28
29// A to I
30".-",   "-...", "-.-.", "-..", ".", "..-.", "--.", "....", "..",
31// J   to R 
32".---", "-.-", ".-..", "--", "-.", "---", ".--.", "--.-",   ".-.",
33// S to Z
34"...", "-", "..-", "...-", ".--", "-..-", "-.--",   "--.." 
35};
36
37        
38void setup() {
39  // put your setup code here,   to run once:
40//Getting things Ready
41pinMode(ledPin, OUTPUT);
42pinMode(dotButton,   INPUT);
43pinMode(dashButton, INPUT);
44Serial.begin(9600);
45
46Serial.println("*************************************************************");
47Serial.println("                     Demonstration of Morse Code              ");
48Serial.println("*************************************************************   ");
49Serial.println("\
50Instructions");
51Serial.println("1. First Write   Your Morse code");
52Serial.println("2. When you are done  Write 1 on above input   box and Press Enter or click Send Button ");
53Serial.println("3. For Space between   letters write 2 and Press Enter ");
54Serial.println("4. For Space between words    write 3 and Press Enter ");
55
56Serial.println("5. Thats all Translation   of Morse Code  will then be Shown ");
57
58Serial.println("\
59\
60Enter Your   Morse Code Here  ");
61
62}
63
64
65void loop() {
66  // put your main code   here, to run repeatedly:
67
68while(Serial.available() > 0 ) 
69{
70      int   ascii=Serial.read();
71
72      switch(ascii)
73      {
74        case 49: //   49 is Ascii value of 1
75
76        Serial.print("\
77");
78        morseCode.concat('#');//   Placeing # at the end of morseCode to simplify further processing
79
80         Serial.print("\
81Your   Morse code Translation :  ");
82         
83        endPos1=morseCode.indexOf('#');
84
85         while(endPos1 < morseCode.length() )
86        {
87            extractLetters(morseCode.substring(startPos1,   endPos1)); // This function would extract Letter as name suggest and would convert   code to text SIMPLE!
88           startPos1=endPos1+1;
89           if(startPos1   == morseCode.length() )
90           {
91              break; 
92           }
93            endPos1= morseCode.indexOf('#', startPos1);
94        }
95        startPos1=0;
96         endPos1=0;
97
98        text=""; //  For New Translation   
99        morseCode="";
100         Serial.println("\
101\
102Enter Your Morse Code Here ");
103        
104              
105         break;
106
107        case 50: // 50 is Ascii value of 2
108        
109         morseCode.concat("@");
110        Serial.print("@");
111        delay(200);
112         
113        break;
114
115        case 51: // 51 is Ascii value of 3
116           
117        morseCode.concat("#");
118        Serial.print("#");
119         delay(200);
120        
121        break;
122        
123      }
124      
125}
126
127process();
128
129}
130
131void   turnONLedSpeaker()
132{
133  //Turn ON LED
134  digitalWrite(ledPin, HIGH);
135   tone(speakerPin, 4699, 300); // tone(speakerPin, frequency, duration in milliSec)
136   
137}
138
139void process()
140{
141  
142  dotButtonState=digitalRead(dotButton);
143dashButtonState=digitalRead(dashButton);
144
145
146
147
148   if(dashButtonState == HIGH)
149  {
150    turnONLedSpeaker();
151   
152    morseCode.concat("-");   // Storing code in variable morseCode with the help of concatenation function
153     Serial.print("-");//Prints User entered Code
154    delay(200);
155  }
156   else if(dotButtonState == HIGH)
157  {
158   turnONLedSpeaker();
159  
160   morseCode.concat(".");
161    Serial.print(".");
162   delay(200);
163    
164  }
165  else
166  {
167    //Turn   OFF LED
168    digitalWrite(ledPin, LOW);
169     
170  }
171
172}
173
174char convertIntoText(String   characterCode)
175{
176  characterAscii=65;
177  
178  for(int index=0; index<SIZE;   index++)
179  {
180    if(characterCode == letters[index])
181    {
182      return   characterAscii;   
183    }
184    characterAscii++;  
185  }
186
187}
188
189void   extractLetters(String words)
190{
191        words.concat('@'); // Placeing @ at   the end of word to simplify further processing
192
193        endPos=words.indexOf('@');
194
195         
196        //Loop to extracting single character morse Code from string   of word        
197        while( endPos<words.length() )
198       {
199         characterCode=words.substring(startPos,   endPos);
200         
201         //Now CharacterCode will now convert in text
202
203          text.concat(convertIntoText(characterCode));
204         
205         startPos=endPos+1;
206          characterCode="";
207         
208          // if condition is just to   terminate loop when our extracting single character code is complete thats all
209          if(startPos == words.length() )
210         {
211           break;
212          }
213         
214         endPos=words.indexOf('@', startPos);   
215        
216       }
217                
218        
219        Serial.print(text);
220         Serial.print(" ");
221        startPos=0;
222        endPos=0;
223        text="";     
224  
225}
226
227

/*
  This Program is for demonstration of MORSE CODE Communication   
  which was use to send information secretly using codes of combinations dots   .  and dashes - 
  Thanks to open source community

  By Jalal Mansoori
*/


#define   SIZE 26
const int ledPin=8;
const int speakerPin=12;
const int dotButton=2;
const   int dashButton=7;

String morseCode="";
String text="";
int characterAscii=0;
int   startPos=0, endPos=0;
int startPos1=0, endPos1=0;
String characterCode="";
int   dashButtonState=0;
int dotButtonState=0;


//Array of MorseCode for   letters of English Language A to Z
String letters[SIZE]={

// A to I
".-",   "-...", "-.-.", "-..", ".", "..-.", "--.", "....", "..",
// J   to R 
".---", "-.-", ".-..", "--", "-.", "---", ".--.", "--.-",   ".-.",
// S to Z
"...", "-", "..-", "...-", ".--", "-..-", "-.--",   "--.." 
};

        
void setup() {
  // put your setup code here,   to run once:
//Getting things Ready
pinMode(ledPin, OUTPUT);
pinMode(dotButton,   INPUT);
pinMode(dashButton, INPUT);
Serial.begin(9600);

Serial.println("*************************************************************");
Serial.println("                     Demonstration of Morse Code              ");
Serial.println("*************************************************************   ");
Serial.println("\
Instructions");
Serial.println("1. First Write   Your Morse code");
Serial.println("2. When you are done  Write 1 on above input   box and Press Enter or click Send Button ");
Serial.println("3. For Space between   letters write 2 and Press Enter ");
Serial.println("4. For Space between words    write 3 and Press Enter ");

Serial.println("5. Thats all Translation   of Morse Code  will then be Shown ");

Serial.println("\
\
Enter Your   Morse Code Here  ");

}


void loop() {
  // put your main code   here, to run repeatedly:

while(Serial.available() > 0 ) 
{
      int   ascii=Serial.read();

      switch(ascii)
      {
        case 49: //   49 is Ascii value of 1

        Serial.print("\
");
        morseCode.concat('#');//   Placeing # at the end of morseCode to simplify further processing

         Serial.print("\
Your   Morse code Translation :  ");
         
        endPos1=morseCode.indexOf('#');

         while(endPos1 < morseCode.length() )
        {
            extractLetters(morseCode.substring(startPos1,   endPos1)); // This function would extract Letter as name suggest and would convert   code to text SIMPLE!
           startPos1=endPos1+1;
           if(startPos1   == morseCode.length() )
           {
              break; 
           }
            endPos1= morseCode.indexOf('#', startPos1);
        }
        startPos1=0;
         endPos1=0;

        text=""; //  For New Translation   
        morseCode="";
         Serial.println("\
\
Enter Your Morse Code Here ");
        
              
         break;

        case 50: // 50 is Ascii value of 2
        
         morseCode.concat("@");
        Serial.print("@");
        delay(200);
         
        break;

        case 51: // 51 is Ascii value of 3
           
        morseCode.concat("#");
        Serial.print("#");
         delay(200);
        
        break;
        
      }
      
}

process();

}

void   turnONLedSpeaker()
{
  //Turn ON LED
  digitalWrite(ledPin, HIGH);
   tone(speakerPin, 4699, 300); // tone(speakerPin, frequency, duration in milliSec)
   
}

void process()
{
  
  dotButtonState=digitalRead(dotButton);
dashButtonState=digitalRead(dashButton);




   if(dashButtonState == HIGH)
  {
    turnONLedSpeaker();
   
    morseCode.concat("-");   // Storing code in variable morseCode with the help of concatenation function
     Serial.print("-");//Prints User entered Code
    delay(200);
  }
   else if(dotButtonState == HIGH)
  {
   turnONLedSpeaker();
  
   morseCode.concat(".");
    Serial.print(".");
   delay(200);
    
  }
  else
  {
    //Turn   OFF LED
    digitalWrite(ledPin, LOW);
     
  }

}

char convertIntoText(String   characterCode)
{
  characterAscii=65;
  
  for(int index=0; index<SIZE;   index++)
  {
    if(characterCode == letters[index])
    {
      return   characterAscii;   
    }
    characterAscii++;  
  }

}

void   extractLetters(String words)
{
        words.concat('@'); // Placeing @ at   the end of word to simplify further processing

        endPos=words.indexOf('@');

         
        //Loop to extracting single character morse Code from string   of word        
        while( endPos<words.length() )
       {
         characterCode=words.substring(startPos,   endPos);
         
         //Now CharacterCode will now convert in text

          text.concat(convertIntoText(characterCode));
         
         startPos=endPos+1;
          characterCode="";
         
          // if condition is just to   terminate loop when our extracting single character code is complete thats all
          if(startPos == words.length() )
         {
           break;
          }
         
         endPos=words.indexOf('@', startPos);   
        
       }
                
        
        Serial.print(text);
         Serial.print(" ");
        startPos=0;
        endPos=0;
        text="";     
  
}

Morse Code Source CODE

c_cpp

Now you ready to upload Sketch Simply Open Your Arduino IDE and go to toolbar File->Open->MorseCode.io and click upload button

1/*
2  This Program is for demonstration of MORSE CODE Communication  
3  which was use to send information secretly using codes of combinations dots  .  and dashes - 
4  Thanks to open source community
5
6  By Jalal Mansoori
7*/
8
9
10#define  SIZE 26
11const int ledPin=8;
12const int speakerPin=12;
13const int dotButton=2;
14const  int dashButton=7;
15
16String morseCode="";
17String text="";
18int characterAscii=0;
19int  startPos=0, endPos=0;
20int startPos1=0, endPos1=0;
21String characterCode="";
22int  dashButtonState=0;
23int dotButtonState=0;
24
25
26//Array of MorseCode for  letters of English Language A to Z
27String letters[SIZE]={
28
29// A to I
30".-",  "-...", "-.-.", "-..", ".", "..-.", "--.", "....", "..",
31// J  to R 
32".---", "-.-", ".-..", "--", "-.", "---", ".--.", "--.-",  ".-.",
33// S to Z
34"...", "-", "..-", "...-", ".--", "-..-", "-.--",  "--.." 
35};
36
37        
38void setup() {
39  // put your setup code here,  to run once:
40//Getting things Ready
41pinMode(ledPin, OUTPUT);
42pinMode(dotButton,  INPUT);
43pinMode(dashButton, INPUT);
44Serial.begin(9600);
45
46Serial.println("*************************************************************");
47Serial.println("                    Demonstration of Morse Code              ");
48Serial.println("*************************************************************  ");
49Serial.println("\
50Instructions");
51Serial.println("1. First Write  Your Morse code");
52Serial.println("2. When you are done  Write 1 on above input  box and Press Enter or click Send Button ");
53Serial.println("3. For Space between  letters write 2 and Press Enter ");
54Serial.println("4. For Space between words   write 3 and Press Enter ");
55
56Serial.println("5. Thats all Translation  of Morse Code  will then be Shown ");
57
58Serial.println("\
59\
60Enter Your  Morse Code Here  ");
61
62}
63
64
65void loop() {
66  // put your main code  here, to run repeatedly:
67
68while(Serial.available() > 0 ) 
69{
70      int  ascii=Serial.read();
71
72      switch(ascii)
73      {
74        case 49: //  49 is Ascii value of 1
75
76        Serial.print("\
77");
78        morseCode.concat('#');//  Placeing # at the end of morseCode to simplify further processing
79
80         Serial.print("\
81Your  Morse code Translation :  ");
82         
83        endPos1=morseCode.indexOf('#');
84
85        while(endPos1 < morseCode.length() )
86        {
87            extractLetters(morseCode.substring(startPos1,  endPos1)); // This function would extract Letter as name suggest and would convert  code to text SIMPLE!
88           startPos1=endPos1+1;
89           if(startPos1  == morseCode.length() )
90           {
91              break; 
92           }
93           endPos1= morseCode.indexOf('#', startPos1);
94        }
95        startPos1=0;
96        endPos1=0;
97
98        text=""; //  For New Translation   
99        morseCode="";
100        Serial.println("\
101\
102Enter Your Morse Code Here ");
103        
104              
105        break;
106
107        case 50: // 50 is Ascii value of 2
108        
109        morseCode.concat("@");
110        Serial.print("@");
111        delay(200);
112        
113        break;
114
115        case 51: // 51 is Ascii value of 3
116          
117        morseCode.concat("#");
118        Serial.print("#");
119        delay(200);
120        
121        break;
122        
123      }
124      
125}
126
127process();
128
129}
130
131void  turnONLedSpeaker()
132{
133  //Turn ON LED
134  digitalWrite(ledPin, HIGH);
135  tone(speakerPin, 4699, 300); // tone(speakerPin, frequency, duration in milliSec)
136  
137}
138
139void process()
140{
141  
142  dotButtonState=digitalRead(dotButton);
143dashButtonState=digitalRead(dashButton);
144
145
146
147
148  if(dashButtonState == HIGH)
149  {
150    turnONLedSpeaker();
151   
152    morseCode.concat("-");  // Storing code in variable morseCode with the help of concatenation function
153    Serial.print("-");//Prints User entered Code
154    delay(200);
155  }
156  else if(dotButtonState == HIGH)
157  {
158   turnONLedSpeaker();
159  
160   morseCode.concat(".");
161   Serial.print(".");
162   delay(200);
163    
164  }
165  else
166  {
167    //Turn  OFF LED
168    digitalWrite(ledPin, LOW);
169     
170  }
171
172}
173
174char convertIntoText(String  characterCode)
175{
176  characterAscii=65;
177  
178  for(int index=0; index<SIZE;  index++)
179  {
180    if(characterCode == letters[index])
181    {
182      return  characterAscii;   
183    }
184    characterAscii++;  
185  }
186
187}
188
189void  extractLetters(String words)
190{
191        words.concat('@'); // Placeing @ at  the end of word to simplify further processing
192
193        endPos=words.indexOf('@');
194
195        
196        //Loop to extracting single character morse Code from string  of word        
197        while( endPos<words.length() )
198       {
199         characterCode=words.substring(startPos,  endPos);
200         
201         //Now CharacterCode will now convert in text
202
203         text.concat(convertIntoText(characterCode));
204         
205         startPos=endPos+1;
206         characterCode="";
207         
208          // if condition is just to  terminate loop when our extracting single character code is complete thats all
209         if(startPos == words.length() )
210         {
211           break;
212         }
213         
214         endPos=words.indexOf('@', startPos);   
215       
216       }
217                
218        
219        Serial.print(text);
220        Serial.print(" ");
221        startPos=0;
222        endPos=0;
223        text="";    
224  
225}
226
227

/*
  This Program is for demonstration of MORSE CODE Communication  
  which was use to send information secretly using codes of combinations dots  .  and dashes - 
  Thanks to open source community

  By Jalal Mansoori
*/


#define  SIZE 26
const int ledPin=8;
const int speakerPin=12;
const int dotButton=2;
const  int dashButton=7;

String morseCode="";
String text="";
int characterAscii=0;
int  startPos=0, endPos=0;
int startPos1=0, endPos1=0;
String characterCode="";
int  dashButtonState=0;
int dotButtonState=0;


//Array of MorseCode for  letters of English Language A to Z
String letters[SIZE]={

// A to I
".-",  "-...", "-.-.", "-..", ".", "..-.", "--.", "....", "..",
// J  to R 
".---", "-.-", ".-..", "--", "-.", "---", ".--.", "--.-",  ".-.",
// S to Z
"...", "-", "..-", "...-", ".--", "-..-", "-.--",  "--.." 
};

        
void setup() {
  // put your setup code here,  to run once:
//Getting things Ready
pinMode(ledPin, OUTPUT);
pinMode(dotButton,  INPUT);
pinMode(dashButton, INPUT);
Serial.begin(9600);

Serial.println("*************************************************************");
Serial.println("                    Demonstration of Morse Code              ");
Serial.println("*************************************************************  ");
Serial.println("\
Instructions");
Serial.println("1. First Write  Your Morse code");
Serial.println("2. When you are done  Write 1 on above input  box and Press Enter or click Send Button ");
Serial.println("3. For Space between  letters write 2 and Press Enter ");
Serial.println("4. For Space between words   write 3 and Press Enter ");

Serial.println("5. Thats all Translation  of Morse Code  will then be Shown ");

Serial.println("\
\
Enter Your  Morse Code Here  ");

}


void loop() {
  // put your main code  here, to run repeatedly:

while(Serial.available() > 0 ) 
{
      int  ascii=Serial.read();

      switch(ascii)
      {
        case 49: //  49 is Ascii value of 1

        Serial.print("\
");
        morseCode.concat('#');//  Placeing # at the end of morseCode to simplify further processing

         Serial.print("\
Your  Morse code Translation :  ");
         
        endPos1=morseCode.indexOf('#');

        while(endPos1 < morseCode.length() )
        {
            extractLetters(morseCode.substring(startPos1,  endPos1)); // This function would extract Letter as name suggest and would convert  code to text SIMPLE!
           startPos1=endPos1+1;
           if(startPos1  == morseCode.length() )
           {
              break; 
           }
           endPos1= morseCode.indexOf('#', startPos1);
        }
        startPos1=0;
        endPos1=0;

        text=""; //  For New Translation   
        morseCode="";
        Serial.println("\
\
Enter Your Morse Code Here ");
        
              
        break;

        case 50: // 50 is Ascii value of 2
        
        morseCode.concat("@");
        Serial.print("@");
        delay(200);
        
        break;

        case 51: // 51 is Ascii value of 3
          
        morseCode.concat("#");
        Serial.print("#");
        delay(200);
        
        break;
        
      }
      
}

process();

}

void  turnONLedSpeaker()
{
  //Turn ON LED
  digitalWrite(ledPin, HIGH);
  tone(speakerPin, 4699, 300); // tone(speakerPin, frequency, duration in milliSec)
  
}

void process()
{
  
  dotButtonState=digitalRead(dotButton);
dashButtonState=digitalRead(dashButton);




  if(dashButtonState == HIGH)
  {
    turnONLedSpeaker();
   
    morseCode.concat("-");  // Storing code in variable morseCode with the help of concatenation function
    Serial.print("-");//Prints User entered Code
    delay(200);
  }
  else if(dotButtonState == HIGH)
  {
   turnONLedSpeaker();
  
   morseCode.concat(".");
   Serial.print(".");
   delay(200);
    
  }
  else
  {
    //Turn  OFF LED
    digitalWrite(ledPin, LOW);
     
  }

}

char convertIntoText(String  characterCode)
{
  characterAscii=65;
  
  for(int index=0; index<SIZE;  index++)
  {
    if(characterCode == letters[index])
    {
      return  characterAscii;   
    }
    characterAscii++;  
  }

}

void  extractLetters(String words)
{
        words.concat('@'); // Placeing @ at  the end of word to simplify further processing

        endPos=words.indexOf('@');

        
        //Loop to extracting single character morse Code from string  of word        
        while( endPos<words.length() )
       {
         characterCode=words.substring(startPos,  endPos);
         
         //Now CharacterCode will now convert in text

         text.concat(convertIntoText(characterCode));
         
         startPos=endPos+1;
         characterCode="";
         
          // if condition is just to  terminate loop when our extracting single character code is complete thats all
         if(startPos == words.length() )
         {
           break;
         }
         
         endPos=words.indexOf('@', startPos);   
       
       }
                
        
        Serial.print(text);
        Serial.print(" ");
        startPos=0;
        endPos=0;
        text="";    
  
}

Downloadable files

Circuit Designing on Breadboard

Instructions for Digital Pins From Arduino to breadboard: -> pin D2 is connected to one leg of pushButton1 . -> pin D7 is connected to one leg of pushButton2. -> pin D8 is connected to +ive terminal leg LED through resistor -> And Finally pin D12 is connected to +ive terminal leg Buzzer through resistor And other Connection Look at Schematic Picture and YOU ARE DONE !

Circuit Designing on Breadboard

Comments

Only logged in users can leave comments

Jalal_Mansoori

0 Followers

•

0 Projects

Intro