Arduino Car

1/*
2Code by NGX aka Clover aka 123lYT
3Atom Development @ Google Play
4
5Feel  free to add whatever you like to this code and present it to anyone
6*/
7
8#include  <SoftwareSerial.h>
9 
10SoftwareSerial blueToothSerial(0, 1);
11 
12int IN1  = 9;   //IN1 pin
13int IN2 = 10;  //IN2 pin
14int IN3 = 11;  //IN3 pin
15int  IN4 = 12;  //IN4 pin
16int ENA = 6;   //ENA pin
17int ENB = 5;   //ENB pin
18char  t;
19 
20/*BT module HC-05 connect by the rule:
21   TX --> RX
22   RX --> TX
23   because T(ransmit)X - sends information
24           R(ecieve)X - recieves information
25  */
26 
27void setup() {
28  pinMode(IN1, OUTPUT); //IN1 pin
29  pinMode(IN2,  OUTPUT); //IN2 pin
30  pinMode(IN3, OUTPUT); //IN3 pin
31  pinMode(IN4, OUTPUT);  //IN4 pin  
32  pinMode(ENA, OUTPUT); //ENA pin
33  pinMode(ENB, OUTPUT); //ENB  pin
34  Serial.begin (9600);
35}
36 
37void loop() {
38 while (Serial.available()  > 0) { //writes out the recieved information from the app
39    t = Serial.read();
40  }
41//Serial.print ("C: ");
42  Serial.println (t);
43   //Serial.print ("D:  ");
44       switch (t) {   
45    case 'F': //command Forward
46      digitalWrite(ENA,  HIGH);
47      digitalWrite(ENB, HIGH);
48      digitalWrite(IN4, HIGH);
49      digitalWrite(IN3,  LOW);
50      digitalWrite(IN2, HIGH);
51      digitalWrite(IN1, LOW);  
52    break;
53    case 'B': //command Backward
54      digitalWrite(ENA, HIGH);
55      digitalWrite(ENB,  HIGH);
56      digitalWrite(IN4, LOW);
57      digitalWrite(IN3, HIGH);
58      digitalWrite(IN2,  LOW);
59      digitalWrite(IN1, HIGH); 
60    break;
61    case 'L': //command  Left
62      digitalWrite(ENA, HIGH);
63      digitalWrite(ENB, LOW);
64      digitalWrite(IN4,  LOW);
65      digitalWrite(IN3, LOW);
66      digitalWrite(IN2, HIGH);
67      digitalWrite(IN1,  LOW);
68    break;
69    case 'R': //command Right
70      digitalWrite(ENA,  LOW);
71      digitalWrite(ENB, HIGH);
72      digitalWrite(IN4, HIGH);
73      digitalWrite(IN3,  LOW);
74      digitalWrite(IN2, LOW);
75      digitalWrite(IN1, LOW); 
76    break;
77    case 'S': //Stop
78      digitalWrite(ENA, LOW);
79      digitalWrite(ENB,  LOW);
80      digitalWrite(IN4, LOW);
81      digitalWrite(IN3, LOW);
82      digitalWrite(IN2,  LOW);
83      digitalWrite(IN1, LOW); 
84    break;
85    }
86}