Bluetooth controlled car with headlight

1// Starting of Program
2int m1a = 9;
3int m1b = 10;
4int m2a = 11;
5int  m2b = 12;
6int b1 = 13;
7int b2 = 8;
8char val;
9
10void setup() 
11{  
12pinMode(m1a, OUTPUT);  // Digital pin 10 set as output Pin
13pinMode(m1b,  OUTPUT);  // Digital pin 11 set as output Pin
14pinMode(m2a, OUTPUT);  // Digital  pin 12 set as output Pin
15pinMode(m2b, OUTPUT);  // Digital pin 13 set as output  Pin
16pinMode(b1,OUTPUT);
17pinMode(b2,OUTPUT);
18
19Serial.begin(9600);
20}
21
22void  loop()
23{
24  while (Serial.available() > 0)
25  {
26  val = Serial.read();
27  Serial.println(val);
28  }
29
30  if( val == 'F') // Forward
31    {
32      digitalWrite(m1a,  HIGH);
33      digitalWrite(m1b, LOW);
34      digitalWrite(m2a, HIGH);
35      digitalWrite(m2b,  LOW);  
36    }
37  else if(val == 'B') // Backward
38    {
39      digitalWrite(m1a,  LOW);
40      digitalWrite(m1b, HIGH);
41      digitalWrite(m2a, LOW);
42      digitalWrite(m2b,  HIGH); 
43    }
44  
45    else if(val == 'L') //Left
46    {
47    digitalWrite(m1a,  LOW);
48    digitalWrite(m1b, LOW);
49    digitalWrite(m2a, HIGH);
50    digitalWrite(m2b,  LOW);
51    }
52    else if(val == 'R') //Right
53    {
54    digitalWrite(m1a,  HIGH);
55    digitalWrite(m1b, LOW);
56    digitalWrite(m2a, LOW);
57    digitalWrite(m2b,  LOW); 
58    }
59    
60  else if(val == 'S') //Stop
61    {
62    digitalWrite(m1a,  LOW);
63    digitalWrite(m1b, LOW);
64    digitalWrite(m2a, LOW);
65    digitalWrite(m2b,  LOW); 
66    }
67  else if(val == 'I') //Forward Right
68    {
69    digitalWrite(m1a,  HIGH);
70    digitalWrite(m1b, LOW);
71    digitalWrite(m2a, LOW);
72    digitalWrite(m2b,  LOW);
73    }
74  else if(val == 'J') //Backward Right
75    {
76    digitalWrite(m1a,  LOW);
77    digitalWrite(m1b, HIGH);
78    digitalWrite(m2a, LOW);
79    digitalWrite(m2b,  LOW);
80    }
81   else if(val == 'G') //Forward Left
82    {
83    digitalWrite(m1a,  LOW);
84    digitalWrite(m1b, LOW);
85    digitalWrite(m2a, HIGH);     digitalWrite(m2b,  LOW);
86    }
87  else if(val == 'H') //Backward Left
88    {
89    digitalWrite(m1a,  LOW);
90    digitalWrite(m1b, LOW);
91    digitalWrite(m2a, LOW);
92    digitalWrite(m2b,  HIGH); 
93    }
94     else if(val == 'W') //Backward Left
95    {
96    digitalWrite(b1,HIGH);
97    digitalWrite(b2,HIGH);
98     
99    }
100    else if(val == 'w') //Backward  Left
101    {
102    digitalWrite(b1,LOW);
103    digitalWrite(b2,LOW);
104    }
105    else if(val == 'X') //RIGHT LIGhT
106    {
107      digitalWrite(b1,HIGH);
108    digitalWrite(b2,HIGH);
109    delay(300); 
110    digitalWrite(b1,LOW);
111    digitalWrite(b2,LOW);
112    delay(300);
113    digitalWrite(b1,HIGH);
114    digitalWrite(b2,HIGH);
115    delay(300); 
116    digitalWrite(b1,LOW);
117    digitalWrite(b2,LOW);
118    delay(300);
119    digitalWrite(b1,HIGH);
120    digitalWrite(b2,HIGH);
121    delay(300); 
122    digitalWrite(b1,LOW);
123    digitalWrite(b2,LOW);
124    delay(300);
125    digitalWrite(b1,HIGH);
126    digitalWrite(b2,HIGH);
127    delay(300); 
128    digitalWrite(b1,LOW);
129    digitalWrite(b2,LOW);
130    
131    
132    
133  
134    
135    
136}}