Morse Code Communication Using Laser Module (Both)

1int led13 = 13;      // blink an led on output 13
2
3/*
4  Set the  speed of your morse code
5  Here are the ratios code elements:
6    Dash length  = Dot length x 3
7    Pause between elements = Dot length    
8*/
9int dotLen  = 200;     // length of the morse code 'dot'
10int dashLen = dotLen * 3;    //  length of the morse code 'dash'
11int elemPause = dotLen;// length of the pause  between elements of a character
12int Spaces = dotLen * 3;     // length of the  spaces between characters
13int wordPause = dotLen * 7;  // length of the pause  between words
14
15void setup() {                
16  // initialize the digital  pin as an output for LED lights.
17  pinMode(led13, OUTPUT); 
18}
19
20// Create  a loop of the letters/words you want to output in morse code (defined in string  at top of code)
21void loop()
22{ 
23 
24  // Loop through the string and get  each character one at a time until the end is reached
25  for (int i = 0; i < sizeof(stringToMorseCode)  - 1; i++)
26  {
27    // Get the character in the current position
28  char tmpChar  = stringToMorseCode[i];
29  // Set the case to lower case
30  tmpChar = toLowerCase(tmpChar);
31  // Call the subroutine to get the morse code equivalent for this character
32  GetChar(tmpChar);
33  }
34  
35  // At the end of the string long pause before  looping and starting again
36  LightsOff(8000);      
37}
38
39// DOT
40void  MorseDot()
41{
42  digitalWrite(led13, HIGH);    // turn the LED on 
43  delay(dotLen);              // hold in this position
44}
45
46// DASH
47void MorseDash()
48{
49  digitalWrite(led13, HIGH);    // turn the LED on 
50  delay(dashLen);               //  hold in this position
51}
52
53// Turn Off
54void LightsOff(int delayTime)
55{
56  digitalWrite(led13, LOW);     // turn the LED off   
57  delay(delayTime);             //  hold in this position
58}
59
60// *** Characters to Morse Code Conversion ***  //
61void GetChar(char tmpChar)
62{
63  // Take the passed character and use  a switch case to find the morse code for that character
64  switch (tmpChar) {
65    case 'a': 
66    MorseDot();
67    LightsOff(elemPause);
68    MorseDash();
69    LightsOff(elemPause);
70    break;
71    case 'b':
72    MorseDash();
73    LightsOff(elemPause);
74    MorseDot();
75    LightsOff(elemPause);
76    MorseDot();
77    LightsOff(elemPause);
78    MorseDot();
79    LightsOff(elemPause);
80    break;
81    case 'c':
82      MorseDash();
83    LightsOff(elemPause);
84    MorseDot();
85    LightsOff(elemPause);
86    MorseDash();
87    LightsOff(elemPause);
88    MorseDot();
89    LightsOff(elemPause);
90    break;
91    case 'd':
92    MorseDash();
93    LightsOff(elemPause);
94    MorseDash();
95    LightsOff(elemPause);
96    MorseDot();
97    LightsOff(elemPause);
98    break;
99    case 'e':
100    MorseDot();
101    LightsOff(elemPause);
102    break;
103    case 'f':
104      MorseDot();
105    LightsOff(elemPause);
106    MorseDot();
107    LightsOff(elemPause);
108    MorseDash();
109    LightsOff(elemPause);
110    MorseDot();
111    LightsOff(elemPause);
112    break;
113    case 'g':
114    MorseDash();
115    LightsOff(elemPause);
116    MorseDash();
117    LightsOff(elemPause);
118    MorseDot();
119    LightsOff(elemPause);
120    break;
121    case 'h':
122      MorseDot();
123    LightsOff(elemPause);
124    MorseDot();
125    LightsOff(elemPause);
126    MorseDot();
127    LightsOff(elemPause);
128    MorseDot();
129    LightsOff(elemPause);
130    break;
131    case 'i':
132      MorseDot();
133    LightsOff(elemPause);
134    MorseDot();
135    LightsOff(elemPause);
136    break;
137    case 'j':
138      MorseDot();
139    LightsOff(elemPause);
140    MorseDash();
141    LightsOff(elemPause);
142    MorseDash();
143    LightsOff(elemPause);
144    MorseDash();
145    LightsOff(elemPause);
146    break;
147      case 'k':
148      MorseDash();
149    LightsOff(elemPause);
150    MorseDot();
151    LightsOff(elemPause);
152    MorseDash();
153    LightsOff(elemPause);
154    break;
155    case 'l':
156      MorseDot();
157    LightsOff(elemPause);
158    MorseDash();
159    LightsOff(elemPause);
160    MorseDot();
161    LightsOff(elemPause);
162    MorseDot();
163    LightsOff(elemPause);
164    break;
165      case 'm':
166      MorseDash();
167    LightsOff(elemPause);
168    MorseDash();
169    LightsOff(elemPause);
170    break;
171    case 'n':
172      MorseDash();
173    LightsOff(elemPause);
174    MorseDot();
175    LightsOff(elemPause);
176    break;
177    case 'o':
178      MorseDash();
179    LightsOff(elemPause);
180    MorseDash();
181    LightsOff(elemPause);
182    MorseDash();
183    LightsOff(elemPause);
184    break;
185    case 'p':
186      MorseDot();
187    LightsOff(elemPause);
188    MorseDash();
189    LightsOff(elemPause);
190    MorseDash();
191    LightsOff(elemPause);
192    MorseDot();
193    LightsOff(elemPause);
194    break;
195    case 'q':
196      MorseDash();
197    LightsOff(elemPause);
198    MorseDash();
199    LightsOff(elemPause);
200    MorseDot();
201    LightsOff(elemPause);
202    MorseDash();
203    LightsOff(elemPause);
204    break;
205    case 'r':
206      MorseDot();
207    LightsOff(elemPause);
208    MorseDash();
209    LightsOff(elemPause);
210    MorseDot();
211    LightsOff(elemPause);
212    break;
213    case 's':
214      MorseDot();
215    LightsOff(elemPause);
216    MorseDot();
217    LightsOff(elemPause);
218    MorseDot();
219    LightsOff(elemPause);
220    break;
221    case 't':
222      MorseDash();
223    LightsOff(elemPause);
224    break;
225    case 'u':
226      MorseDot();
227    LightsOff(elemPause);
228    MorseDot();
229    LightsOff(elemPause);
230    MorseDash();
231    LightsOff(elemPause);
232    break;
233    case 'v':
234      MorseDot();
235    LightsOff(elemPause);
236    MorseDot();
237    LightsOff(elemPause);
238    MorseDot();
239    LightsOff(elemPause);
240    MorseDash();
241    LightsOff(elemPause);
242    break;
243    case 'w':
244      MorseDot();
245    LightsOff(elemPause);
246    MorseDash();
247    LightsOff(elemPause);
248    MorseDash();
249    LightsOff(elemPause);
250    break;
251    case 'x':
252      MorseDash();
253    LightsOff(elemPause);
254    MorseDot();
255    LightsOff(elemPause);
256    MorseDot();
257    LightsOff(elemPause);
258    MorseDash();
259    LightsOff(elemPause);
260    break;
261    case 'y':
262      MorseDash();
263    LightsOff(elemPause);
264    MorseDot();
265    LightsOff(elemPause);
266    MorseDash();
267    LightsOff(elemPause);
268    MorseDash();
269    LightsOff(elemPause);
270    break;
271    case 'z':
272      MorseDash();
273    LightsOff(elemPause);
274    MorseDash();
275    LightsOff(elemPause);
276    MorseDot();
277    LightsOff(elemPause);
278    MorseDot();
279    LightsOff(elemPause);
280    break;
281    default: 
282    // If a matching character was not found it will default to  a blank space
283    LightsOff(Spaces);      
284  }
285}
286

1int sensorPin = 0; // select the input pin for ldr
2int sensorValue  = 0; // variable to store the value coming from the sensor
3int a, f; // flags
4void  setup() {
5Serial.begin(9600); //sets serial port for communication
6}
7void  loop() {
8
9sensorValue = analogRead(sensorPin); // read the value from the  sensor
10//Serial.println(sensorValue);
11if(sensorValue>1000)// calculating the  number of dots and dashes
12{
13  for(int i=0;i<=13;i++)
14  {
15    sensorValue=analogRead(sensorPin);
16    if(sensorValue>1000)
17    {
18      a++; //calculating the number of dots  and dashes in the character
19     delay(200);
20    }
21  else
22  {
23    f++;  // calculating the number of spaces in dots and dashes
24   delay(200);
25  }
26  
27  }
28}
29//Serial.print("a= "+a);
30//Serial.println("f= "+f);
31//Serial.println();
32/*
33  * Checking the set of dots, dashes and spaces
34 */
35
36if(a==4 && f==10)
37{
38  Serial.print("a");
39}
40if(a==6 && f==8)
41{
42  Serial.print("b");
43}
44if(a==8  && f==6)
45{
46  Serial.print("c");  
47}
48if(a==1 && f==13)
49{
50  Serial.print("e");
51}
52if(a==2  && f==12)
53{
54  Serial.print("i");
55}
56if(a==10 && f==4)
57{
58  Serial.print("j");
59}
60if(a==7  && f==7)
61{
62  Serial.print("g");
63}
64if(a==9 && f==5)
65{
66  Serial.print("o");
67}
68if(a==3  && f==11)
69{
70  Serial.print("s");
71}
72f=a=0;
73delay(200);
74
75}

1int led13 = 13;      // blink an led on output 13
2
3/*
4  Set the   speed of your morse code
5  Here are the ratios code elements:
6    Dash length   = Dot length x 3
7    Pause between elements = Dot length    
8*/
9int dotLen   = 200;     // length of the morse code 'dot'
10int dashLen = dotLen * 3;    //   length of the morse code 'dash'
11int elemPause = dotLen;// length of the pause   between elements of a character
12int Spaces = dotLen * 3;     // length of the   spaces between characters
13int wordPause = dotLen * 7;  // length of the pause   between words
14
15void setup() {                
16  // initialize the digital   pin as an output for LED lights.
17  pinMode(led13, OUTPUT); 
18}
19
20// Create   a loop of the letters/words you want to output in morse code (defined in string   at top of code)
21void loop()
22{ 
23 
24  // Loop through the string and get   each character one at a time until the end is reached
25  for (int i = 0; i < sizeof(stringToMorseCode)   - 1; i++)
26  {
27    // Get the character in the current position
28  char tmpChar   = stringToMorseCode[i];
29  // Set the case to lower case
30  tmpChar = toLowerCase(tmpChar);
31   // Call the subroutine to get the morse code equivalent for this character
32   GetChar(tmpChar);
33  }
34  
35  // At the end of the string long pause before   looping and starting again
36  LightsOff(8000);      
37}
38
39// DOT
40void   MorseDot()
41{
42  digitalWrite(led13, HIGH);    // turn the LED on 
43  delay(dotLen);               // hold in this position
44}
45
46// DASH
47void MorseDash()
48{
49   digitalWrite(led13, HIGH);    // turn the LED on 
50  delay(dashLen);               //   hold in this position
51}
52
53// Turn Off
54void LightsOff(int delayTime)
55{
56   digitalWrite(led13, LOW);     // turn the LED off   
57  delay(delayTime);             //   hold in this position
58}
59
60// *** Characters to Morse Code Conversion ***   //
61void GetChar(char tmpChar)
62{
63  // Take the passed character and use   a switch case to find the morse code for that character
64  switch (tmpChar) {
65     case 'a': 
66    MorseDot();
67    LightsOff(elemPause);
68    MorseDash();
69     LightsOff(elemPause);
70    break;
71    case 'b':
72    MorseDash();
73     LightsOff(elemPause);
74    MorseDot();
75    LightsOff(elemPause);
76    MorseDot();
77     LightsOff(elemPause);
78    MorseDot();
79    LightsOff(elemPause);
80    break;
81     case 'c':
82      MorseDash();
83    LightsOff(elemPause);
84    MorseDot();
85     LightsOff(elemPause);
86    MorseDash();
87    LightsOff(elemPause);
88    MorseDot();
89     LightsOff(elemPause);
90    break;
91    case 'd':
92    MorseDash();
93     LightsOff(elemPause);
94    MorseDash();
95    LightsOff(elemPause);
96    MorseDot();
97     LightsOff(elemPause);
98    break;
99    case 'e':
100    MorseDot();
101     LightsOff(elemPause);
102    break;
103    case 'f':
104      MorseDot();
105     LightsOff(elemPause);
106    MorseDot();
107    LightsOff(elemPause);
108    MorseDash();
109     LightsOff(elemPause);
110    MorseDot();
111    LightsOff(elemPause);
112    break;
113     case 'g':
114    MorseDash();
115    LightsOff(elemPause);
116    MorseDash();
117     LightsOff(elemPause);
118    MorseDot();
119    LightsOff(elemPause);
120    break;
121     case 'h':
122      MorseDot();
123    LightsOff(elemPause);
124    MorseDot();
125     LightsOff(elemPause);
126    MorseDot();
127    LightsOff(elemPause);
128    MorseDot();
129     LightsOff(elemPause);
130    break;
131    case 'i':
132      MorseDot();
133     LightsOff(elemPause);
134    MorseDot();
135    LightsOff(elemPause);
136    break;
137     case 'j':
138      MorseDot();
139    LightsOff(elemPause);
140    MorseDash();
141     LightsOff(elemPause);
142    MorseDash();
143    LightsOff(elemPause);
144    MorseDash();
145     LightsOff(elemPause);
146    break;
147      case 'k':
148      MorseDash();
149     LightsOff(elemPause);
150    MorseDot();
151    LightsOff(elemPause);
152    MorseDash();
153     LightsOff(elemPause);
154    break;
155    case 'l':
156      MorseDot();
157     LightsOff(elemPause);
158    MorseDash();
159    LightsOff(elemPause);
160    MorseDot();
161     LightsOff(elemPause);
162    MorseDot();
163    LightsOff(elemPause);
164    break;
165       case 'm':
166      MorseDash();
167    LightsOff(elemPause);
168    MorseDash();
169     LightsOff(elemPause);
170    break;
171    case 'n':
172      MorseDash();
173     LightsOff(elemPause);
174    MorseDot();
175    LightsOff(elemPause);
176    break;
177     case 'o':
178      MorseDash();
179    LightsOff(elemPause);
180    MorseDash();
181     LightsOff(elemPause);
182    MorseDash();
183    LightsOff(elemPause);
184    break;
185     case 'p':
186      MorseDot();
187    LightsOff(elemPause);
188    MorseDash();
189     LightsOff(elemPause);
190    MorseDash();
191    LightsOff(elemPause);
192    MorseDot();
193     LightsOff(elemPause);
194    break;
195    case 'q':
196      MorseDash();
197     LightsOff(elemPause);
198    MorseDash();
199    LightsOff(elemPause);
200    MorseDot();
201     LightsOff(elemPause);
202    MorseDash();
203    LightsOff(elemPause);
204    break;
205     case 'r':
206      MorseDot();
207    LightsOff(elemPause);
208    MorseDash();
209     LightsOff(elemPause);
210    MorseDot();
211    LightsOff(elemPause);
212    break;
213     case 's':
214      MorseDot();
215    LightsOff(elemPause);
216    MorseDot();
217     LightsOff(elemPause);
218    MorseDot();
219    LightsOff(elemPause);
220    break;
221     case 't':
222      MorseDash();
223    LightsOff(elemPause);
224    break;
225     case 'u':
226      MorseDot();
227    LightsOff(elemPause);
228    MorseDot();
229     LightsOff(elemPause);
230    MorseDash();
231    LightsOff(elemPause);
232    break;
233     case 'v':
234      MorseDot();
235    LightsOff(elemPause);
236    MorseDot();
237     LightsOff(elemPause);
238    MorseDot();
239    LightsOff(elemPause);
240    MorseDash();
241     LightsOff(elemPause);
242    break;
243    case 'w':
244      MorseDot();
245     LightsOff(elemPause);
246    MorseDash();
247    LightsOff(elemPause);
248    MorseDash();
249     LightsOff(elemPause);
250    break;
251    case 'x':
252      MorseDash();
253     LightsOff(elemPause);
254    MorseDot();
255    LightsOff(elemPause);
256    MorseDot();
257     LightsOff(elemPause);
258    MorseDash();
259    LightsOff(elemPause);
260    break;
261     case 'y':
262      MorseDash();
263    LightsOff(elemPause);
264    MorseDot();
265     LightsOff(elemPause);
266    MorseDash();
267    LightsOff(elemPause);
268    MorseDash();
269     LightsOff(elemPause);
270    break;
271    case 'z':
272      MorseDash();
273     LightsOff(elemPause);
274    MorseDash();
275    LightsOff(elemPause);
276    MorseDot();
277     LightsOff(elemPause);
278    MorseDot();
279    LightsOff(elemPause);
280    break;
281     default: 
282    // If a matching character was not found it will default to   a blank space
283    LightsOff(Spaces);      
284  }
285}
286

1int sensorPin = 0; // select the input pin for ldr
2int sensorValue   = 0; // variable to store the value coming from the sensor
3int a, f; // flags
4void   setup() {
5Serial.begin(9600); //sets serial port for communication
6}
7void   loop() {
8
9sensorValue = analogRead(sensorPin); // read the value from the   sensor
10//Serial.println(sensorValue);
11if(sensorValue>1000)// calculating the   number of dots and dashes
12{
13  for(int i=0;i<=13;i++)
14  {
15    sensorValue=analogRead(sensorPin);
16     if(sensorValue>1000)
17    {
18      a++; //calculating the number of dots   and dashes in the character
19     delay(200);
20    }
21  else
22  {
23    f++;   // calculating the number of spaces in dots and dashes
24   delay(200);
25  }
26   
27  }
28}
29//Serial.print("a= "+a);
30//Serial.println("f= "+f);
31//Serial.println();
32/*
33   * Checking the set of dots, dashes and spaces
34 */
35
36if(a==4 && f==10)
37{
38   Serial.print("a");
39}
40if(a==6 && f==8)
41{
42  Serial.print("b");
43}
44if(a==8   && f==6)
45{
46  Serial.print("c");  
47}
48if(a==1 && f==13)
49{
50  Serial.print("e");
51}
52if(a==2   && f==12)
53{
54  Serial.print("i");
55}
56if(a==10 && f==4)
57{
58  Serial.print("j");
59}
60if(a==7   && f==7)
61{
62  Serial.print("g");
63}
64if(a==9 && f==5)
65{
66  Serial.print("o");
67}
68if(a==3   && f==11)
69{
70  Serial.print("s");
71}
72f=a=0;
73delay(200);
74
75}