Bluetooth-Controlled Car with HC-05 Module

1/* BLUETOOTH CAR WITH ARDUINO UNO AND HC-05
2
3   THIS CODE DEMONSTRATES CONTROLLING A CAR VIA SMARTPHONE USING BLUETOOTH COMMUNICATION.
4
5   NOTE-IT IS ADVISED THAT BLUETOOTH MODULE SHOULD BE ATTACHED TO ARDUINO BOARD AFTER
6        UPLOADING CODE TO AVOID ERRORS AND PREVENT POSSIBLE DAMAGE TO BLUETOOTH MODULE.
7
8   CODE CREATED BY - AMEYA ANGADI
9   LAST MODIFIED ON - 26/07/2024
10   VERSION - 1.3
11*/
12
13#define led1 = 13
14#define in1 = 12
15#define in2 = 11
16#define in3 = 10
17#define in4 = 9
18
19void setup() {
20  Serial.begin(9600);
21  pinMode(9, OUTPUT);
22  pinMode(10, OUTPUT);
23  pinMode(11, OUTPUT);
24  pinMode(12, OUTPUT);
25  pinMode(13, OUTPUT);
26}
27
28void loop() {
29  if (Serial.available() > 0) {
30    char inputvalue = char(Serial.read());
31    if (inputvalue == 'F') {
32      digitalWrite(12, HIGH);
33      digitalWrite(11, LOW);
34      digitalWrite(10, HIGH);
35      digitalWrite(9, LOW);
36    }
37    else if (inputvalue == 'B') {
38      digitalWrite(12, LOW);
39      digitalWrite(11, HIGH);
40      digitalWrite(10, LOW);
41      digitalWrite(9, HIGH);
42    }
43
44    else if (inputvalue == 'R') {
45      digitalWrite(12, LOW);
46      digitalWrite(11, LOW);
47      digitalWrite(10, HIGH);
48      digitalWrite(9, LOW);
49    }
50
51    else if (inputvalue == 'L') {
52      digitalWrite(12, HIGH);
53      digitalWrite(11, LOW);
54      digitalWrite(10, LOW);
55      digitalWrite(9, LOW);
56    }
57
58    else if (inputvalue == 'C') {
59      digitalWrite(12, LOW);
60      digitalWrite(11, HIGH);
61      digitalWrite(10, HIGH);
62      digitalWrite(9, LOW);
63    }
64
65    else if (inputvalue == 'A') {
66      digitalWrite(12, HIGH);
67      digitalWrite(11, LOW);
68      digitalWrite(10, LOW);
69      digitalWrite(9, HIGH);
70    }
71
72    else if (inputvalue == 'O') {
73      digitalWrite(13, HIGH);
74    }
75
76    else if (inputvalue == 's') {
77      digitalWrite(13, LOW);
78    }
79
80    else if (inputvalue == 'S') {
81      digitalWrite(12, LOW);
82      digitalWrite(11, LOW);
83      digitalWrite(10, LOW);
84      digitalWrite(9, LOW);
85    }
86  }
87}