LulaBot: Arduino Rolling Robot!

1/****LulBot***/
2
3/* Arduino Rolling robot
4 *  by Ashraf Minhaj
5
6  *  mail me at ashraf_minhaj@yahoo.com
7 *  tutorial- ashrafminhajfb.blogspot.com
8
9  */
10
11//Declare the arduino pins
12
13int lm1 = 10; //declare 1st motor pins
14int
15  lm2 = 9;
16
17int rm1 = 8;   //right motor pins
18int rm2 = 7;
19
20
21void
22  setup()
23{
24  //initlize the mode of the pins
25   pinMode(lm1,OUTPUT);
26
27   pinMode(lm2,OUTPUT);
28   pinMode(rm1,OUTPUT);
29   pinMode(rm2,OUTPUT);
30
31
32   //set the serial communication rate
33  Serial.begin(9600);
34}
35
36void
37  loop()
38{
39  //check whether arduino is reciving signal or not 
40  while(Serial.available()
41  == 0);
42  char val = Serial.read() ;//reads the signal
43  Serial.print(val);
44
45
46  /*********For Forward motion*********/
47  
48  if (val == 'F')
49  {
50    Serial.println("FORWARD");
51
52    digitalWrite(lm1,HIGH);  
53    digitalWrite(rm1,HIGH);
54    digitalWrite(lm2,LOW);
55       
56    digitalWrite(rm2,LOW);
57    
58  }
59
60 
61    /*********For
62  Backward Motion*********/
63  else if(val == 'B')
64  {
65    Serial.println("BACK");
66
67    digitalWrite(lm2,HIGH);    
68    digitalWrite(rm2,HIGH);
69    digitalWrite(lm1,LOW);
70      
71    digitalWrite(rm1,LOW);
72  
73  }
74   /*********Right*********/
75
76  else if(val == 'R')
77  {
78    Serial.println("RIGHT");
79    digitalWrite(lm1,HIGH);
80  
81    digitalWrite(rm2,HIGH);
82    digitalWrite(lm2,LOW);       
83    digitalWrite(rm1,LOW);
84
85  }
86   /*********Left*********/
87  else if(val == 'L')
88  {
89    Serial.println("LEFT");
90
91    digitalWrite(lm2,HIGH);  
92    digitalWrite(rm1,HIGH);
93    digitalWrite(lm1,LOW);
94       
95    digitalWrite(rm2,LOW);
96  
97  }
98
99  
100  /*********STOP*********/
101
102  else
103  {
104    Serial.println("No data or Invalid!!!");
105    digitalWrite(lm1,LOW);
106  
107    digitalWrite(rm1,LOW);
108    digitalWrite(lm2,LOW);       
109    digitalWrite(rm2,LOW);
110
111
112  }
113  
114}
115

1/****LulBot***/
2
3/* Arduino Rolling robot
4 *  by Ashraf Minhaj
5  *  mail me at ashraf_minhaj@yahoo.com
6 *  tutorial- ashrafminhajfb.blogspot.com
7  */
8
9//Declare the arduino pins
10
11int lm1 = 10; //declare 1st motor pins
12int  lm2 = 9;
13
14int rm1 = 8;   //right motor pins
15int rm2 = 7;
16
17
18void  setup()
19{
20  //initlize the mode of the pins
21   pinMode(lm1,OUTPUT);
22   pinMode(lm2,OUTPUT);
23   pinMode(rm1,OUTPUT);
24   pinMode(rm2,OUTPUT);
25
26   //set the serial communication rate
27  Serial.begin(9600);
28}
29
30void  loop()
31{
32  //check whether arduino is reciving signal or not 
33  while(Serial.available()  == 0);
34  char val = Serial.read() ;//reads the signal
35  Serial.print(val);
36
37  /*********For Forward motion*********/
38  
39  if (val == 'F')
40  {
41    Serial.println("FORWARD");
42    digitalWrite(lm1,HIGH);  
43    digitalWrite(rm1,HIGH);
44    digitalWrite(lm2,LOW);       
45    digitalWrite(rm2,LOW);
46    
47  }
48
49 
50    /*********For  Backward Motion*********/
51  else if(val == 'B')
52  {
53    Serial.println("BACK");
54    digitalWrite(lm2,HIGH);    
55    digitalWrite(rm2,HIGH);
56    digitalWrite(lm1,LOW);      
57    digitalWrite(rm1,LOW);
58  
59  }
60   /*********Right*********/
61  else if(val == 'R')
62  {
63    Serial.println("RIGHT");
64    digitalWrite(lm1,HIGH);  
65    digitalWrite(rm2,HIGH);
66    digitalWrite(lm2,LOW);       
67    digitalWrite(rm1,LOW);
68  }
69   /*********Left*********/
70  else if(val == 'L')
71  {
72    Serial.println("LEFT");
73    digitalWrite(lm2,HIGH);  
74    digitalWrite(rm1,HIGH);
75    digitalWrite(lm1,LOW);       
76    digitalWrite(rm2,LOW);
77  
78  }
79
80  
81  /*********STOP*********/
82  else
83  {
84    Serial.println("No data or Invalid!!!");
85    digitalWrite(lm1,LOW);  
86    digitalWrite(rm1,LOW);
87    digitalWrite(lm2,LOW);       
88    digitalWrite(rm2,LOW);
89
90  }
91  
92}
93