Arduino DIY Mobile Bluetooth (HC-05) Controlled RC Car

1//Note - Disconnect the Bluetooth Module before hiting the upload button  otherwise you'll get compilation error message.
2//AFMotor Library https://learn.adafruit.com/adafruit-motor-shield/library-install  
3//After downloading the library open Arduino IDE >> go to sketch >> Include  Libray >> ADD. ZIP Libray >> Select the downloaded 
4//ZIP File >> Open it >>  Done
5//Now You Can Upload the Code without any problem but make sure the bt module  isn't connected with Arduino while uploading code
6
7
8
9/*
10 * Devloper  Krishna Agarwal (DIY Inventor)
11Coder Krishna Agarwal (DIY Inventor)
12Inventor  Krishna Agarwal (DIY Inventor)
13Idea By Krishna Agarwal (DIY Inventor)
14 */
15#include  <AFMotor.h>
16  
17//initial motors pin
18AF_DCMotor motor1(1, MOTOR12_1KHZ);
19AF_DCMotor  motor2(2, MOTOR12_1KHZ);
20AF_DCMotor motor3(3, MOTOR34_1KHZ);
21AF_DCMotor motor4(4,  MOTOR34_1KHZ);
22  
23int val;
24int Speeed = 255;
25
26  
27void setup()
28{
29  Serial.begin(9600);  //Set the baud rate to your Bluetooth module.
30Serial.println("Krishna");
31  Serial.println("Mr.Robo is Redy");
32}
33void loop(){
34  if(Serial.available()  > 0){
35    val = Serial.read();
36      
37    Stop(); //initialize with motors  stoped
38      
39          if (val == 'F'){
40          forward();
41          }
42  
43          if (val == 'B'){
44          back();
45          }
46  
47          if  (val == 'L'){
48          left();
49          }
50  
51          if (val ==  'R'){
52          right();
53          }
54          if (val == 'I'){
55          topright();
56          }
57  
58          if (val == 'J'){
59          topleft();
60          }
61  
62          if (val == 'K'){
63          bottomright();
64          }
65  
66          if (val == 'M'){
67          bottomleft();
68          }
69          if  (val == 'T'){
70          Stop();
71          }
72  }
73}
74           
75  
76            
77  
78  
79  
80void forward()
81{
82   Serial.println("Forward");
83  motor1.setSpeed(Speeed); //Define maximum velocity
84  motor1.run(FORWARD); //rotate  the motor clockwise
85  motor2.setSpeed(Speeed); //Define maximum velocity
86  motor2.run(FORWARD); //rotate the motor clockwise
87  motor3.setSpeed(Speeed);//Define  maximum velocity
88  motor3.run(FORWARD); //rotate the motor clockwise
89  motor4.setSpeed(Speeed);//Define  maximum velocity
90  motor4.run(FORWARD); //rotate the motor clockwise
91  
92  
93}
94  
95void back()
96{
97 Serial.println("Bacward");
98  motor1.setSpeed(Speeed);  //Define maximum velocity
99  motor1.run(BACKWARD); //rotate the motor anti-clockwise
100  motor2.setSpeed(Speeed); //Define maximum velocity
101  motor2.run(BACKWARD);  //rotate the motor anti-clockwise
102  motor3.setSpeed(Speeed); //Define maximum  velocity
103  motor3.run(BACKWARD); //rotate the motor anti-clockwise
104  motor4.setSpeed(Speeed);  //Define maximum velocity
105  motor4.run(BACKWARD); //rotate the motor anti-clockwise
106}
107  
108void left()
109{
110 Serial.println("Left");
111 
112  motor1.setSpeed(Speeed);  //Define maximum velocity
113  motor1.run(BACKWARD); //rotate the motor anti-clockwise
114  motor2.setSpeed(Speeed); //Define maximum velocity
115  motor2.run(BACKWARD);  //rotate the motor anti-clockwise
116  motor3.setSpeed(Speeed); //Define maximum  velocity
117  motor3.run(FORWARD);  //rotate the motor clockwise
118  motor4.setSpeed(Speeed);  //Define maximum velocity
119  motor4.run(FORWARD);  //rotate the motor clockwise
120}
121  
122void right()
123{
124  Serial.println("Right");
125 motor1.setSpeed(Speeed);  //Define maximum velocity
126  motor1.run(FORWARD); //rotate the motor clockwise
127  motor2.setSpeed(Speeed); //Define maximum velocity
128  motor2.run(FORWARD); //rotate  the motor clockwise
129  motor3.setSpeed(Speeed); //Define maximum velocity
130  motor3.run(BACKWARD); //rotate the motor anti-clockwise
131  motor4.setSpeed(Speeed);  //Define maximum velocity
132  motor4.run(BACKWARD); //rotate the motor anti-clockwise
133}
134  
135void topleft(){
136  Serial.println("Top Left");
137 motor1.setSpeed(Speeed);  //Define maximum velocity
138  motor1.run(FORWARD); //rotate the motor clockwise
139  motor2.setSpeed(Speeed); //Define maximum velocity
140  motor2.run(FORWARD); //rotate  the motor clockwise
141  motor3.setSpeed(Speeed/3.1);//Define maximum velocity
142  motor3.run(FORWARD); //rotate the motor clockwise
143  motor4.setSpeed(Speeed/3.1);//Define  maximum velocity
144  motor4.run(FORWARD); //rotate the motor clockwise
145}
146  
147void topright()
148{
149  Serial.println("Top Right");
150 motor1.setSpeed(Speeed/3.1);  //Define maximum velocity
151  motor1.run(FORWARD); //rotate the motor clockwise
152  motor2.setSpeed(Speeed/3.1); //Define maximum velocity
153  motor2.run(FORWARD);  //rotate the motor clockwise
154  motor3.setSpeed(Speeed);//Define maximum velocity
155  motor3.run(FORWARD); //rotate the motor clockwise
156  motor4.setSpeed(Speeed);//Define  maximum velocity
157  motor4.run(FORWARD); //rotate the motor clockwise
158}
159  
160void bottomleft()
161{
162  Serial.println("Botom Left");
163 motor1.setSpeed(Speeed);  //Define maximum velocity
164  motor1.run(BACKWARD); //rotate the motor anti-clockwise
165  motor2.setSpeed(Speeed); //Define maximum velocity
166  motor2.run(BACKWARD);  //rotate the motor anti-clockwise
167  motor3.setSpeed(Speeed/3.1); //Define maximum  velocity
168  motor3.run(BACKWARD); //rotate the motor anti-clockwise
169  motor4.setSpeed(Speeed/3.1);  //Define maximum velocity
170  motor4.run(BACKWARD); //rotate the motor anti-clockwise
171}
172  
173void bottomright()
174{
175  Serial.println("Bottom Right");
176 motor1.setSpeed(Speeed/3.1);  //Define maximum velocity
177  motor1.run(BACKWARD); //rotate the motor anti-clockwise
178  motor2.setSpeed(Speeed/3.1); //Define maximum velocity
179  motor2.run(BACKWARD);  //rotate the motor anti-clockwise
180  motor3.setSpeed(Speeed); //Define maximum  velocity
181  motor3.run(BACKWARD); //rotate the motor anti-clockwise
182  motor4.setSpeed(Speeed);  //Define maximum velocity
183  motor4.run(BACKWARD); //rotate the motor anti-clockwise
184}
185  
186  
187void Stop()
188{
189 Serial.println("Stop");
190 
191  motor1.setSpeed(0);  //Define minimum velocity
192  motor1.run(RELEASE); //stop the motor when release  the button
193  motor2.setSpeed(0); //Define minimum velocity
194  motor2.run(RELEASE);  //rotate the motor clockwise
195  motor3.setSpeed(0); //Define minimum velocity
196  motor3.run(RELEASE); //stop the motor when release the button
197  motor4.setSpeed(0);  //Define minimum velocity
198  motor4.run(RELEASE); //stop the motor when release  the button
199}
200

1//Note - Disconnect the Bluetooth Module before hiting the upload button   otherwise you'll get compilation error message.
2//AFMotor Library https://learn.adafruit.com/adafruit-motor-shield/library-install   
3//After downloading the library open Arduino IDE >> go to sketch >> Include   Libray >> ADD. ZIP Libray >> Select the downloaded 
4//ZIP File >> Open it >>   Done
5//Now You Can Upload the Code without any problem but make sure the bt module   isn't connected with Arduino while uploading code
6
7
8
9/*
10 * Devloper   Krishna Agarwal (DIY Inventor)
11Coder Krishna Agarwal (DIY Inventor)
12Inventor   Krishna Agarwal (DIY Inventor)
13Idea By Krishna Agarwal (DIY Inventor)
14 */
15#include   <AFMotor.h>
16  
17//initial motors pin
18AF_DCMotor motor1(1, MOTOR12_1KHZ);
19AF_DCMotor   motor2(2, MOTOR12_1KHZ);
20AF_DCMotor motor3(3, MOTOR34_1KHZ);
21AF_DCMotor motor4(4,   MOTOR34_1KHZ);
22  
23int val;
24int Speeed = 255;
25
26  
27void setup()
28{
29   Serial.begin(9600);  //Set the baud rate to your Bluetooth module.
30Serial.println("Krishna");
31   Serial.println("Mr.Robo is Redy");
32}
33void loop(){
34  if(Serial.available()   > 0){
35    val = Serial.read();
36      
37    Stop(); //initialize with motors   stoped
38      
39          if (val == 'F'){
40          forward();
41          }
42   
43          if (val == 'B'){
44          back();
45          }
46  
47          if   (val == 'L'){
48          left();
49          }
50  
51          if (val ==   'R'){
52          right();
53          }
54          if (val == 'I'){
55          topright();
56           }
57  
58          if (val == 'J'){
59          topleft();
60          }
61   
62          if (val == 'K'){
63          bottomright();
64          }
65   
66          if (val == 'M'){
67          bottomleft();
68          }
69          if   (val == 'T'){
70          Stop();
71          }
72  }
73}
74           
75   
76            
77  
78  
79  
80void forward()
81{
82   Serial.println("Forward");
83   motor1.setSpeed(Speeed); //Define maximum velocity
84  motor1.run(FORWARD); //rotate   the motor clockwise
85  motor2.setSpeed(Speeed); //Define maximum velocity
86   motor2.run(FORWARD); //rotate the motor clockwise
87  motor3.setSpeed(Speeed);//Define   maximum velocity
88  motor3.run(FORWARD); //rotate the motor clockwise
89  motor4.setSpeed(Speeed);//Define   maximum velocity
90  motor4.run(FORWARD); //rotate the motor clockwise
91  
92   
93}
94  
95void back()
96{
97 Serial.println("Bacward");
98  motor1.setSpeed(Speeed);   //Define maximum velocity
99  motor1.run(BACKWARD); //rotate the motor anti-clockwise
100   motor2.setSpeed(Speeed); //Define maximum velocity
101  motor2.run(BACKWARD);   //rotate the motor anti-clockwise
102  motor3.setSpeed(Speeed); //Define maximum   velocity
103  motor3.run(BACKWARD); //rotate the motor anti-clockwise
104  motor4.setSpeed(Speeed);   //Define maximum velocity
105  motor4.run(BACKWARD); //rotate the motor anti-clockwise
106}
107   
108void left()
109{
110 Serial.println("Left");
111 
112  motor1.setSpeed(Speeed);   //Define maximum velocity
113  motor1.run(BACKWARD); //rotate the motor anti-clockwise
114   motor2.setSpeed(Speeed); //Define maximum velocity
115  motor2.run(BACKWARD);   //rotate the motor anti-clockwise
116  motor3.setSpeed(Speeed); //Define maximum   velocity
117  motor3.run(FORWARD);  //rotate the motor clockwise
118  motor4.setSpeed(Speeed);   //Define maximum velocity
119  motor4.run(FORWARD);  //rotate the motor clockwise
120}
121   
122void right()
123{
124  Serial.println("Right");
125 motor1.setSpeed(Speeed);   //Define maximum velocity
126  motor1.run(FORWARD); //rotate the motor clockwise
127   motor2.setSpeed(Speeed); //Define maximum velocity
128  motor2.run(FORWARD); //rotate   the motor clockwise
129  motor3.setSpeed(Speeed); //Define maximum velocity
130   motor3.run(BACKWARD); //rotate the motor anti-clockwise
131  motor4.setSpeed(Speeed);   //Define maximum velocity
132  motor4.run(BACKWARD); //rotate the motor anti-clockwise
133}
134   
135void topleft(){
136  Serial.println("Top Left");
137 motor1.setSpeed(Speeed);   //Define maximum velocity
138  motor1.run(FORWARD); //rotate the motor clockwise
139   motor2.setSpeed(Speeed); //Define maximum velocity
140  motor2.run(FORWARD); //rotate   the motor clockwise
141  motor3.setSpeed(Speeed/3.1);//Define maximum velocity
142   motor3.run(FORWARD); //rotate the motor clockwise
143  motor4.setSpeed(Speeed/3.1);//Define   maximum velocity
144  motor4.run(FORWARD); //rotate the motor clockwise
145}
146   
147void topright()
148{
149  Serial.println("Top Right");
150 motor1.setSpeed(Speeed/3.1);   //Define maximum velocity
151  motor1.run(FORWARD); //rotate the motor clockwise
152   motor2.setSpeed(Speeed/3.1); //Define maximum velocity
153  motor2.run(FORWARD);   //rotate the motor clockwise
154  motor3.setSpeed(Speeed);//Define maximum velocity
155   motor3.run(FORWARD); //rotate the motor clockwise
156  motor4.setSpeed(Speeed);//Define   maximum velocity
157  motor4.run(FORWARD); //rotate the motor clockwise
158}
159   
160void bottomleft()
161{
162  Serial.println("Botom Left");
163 motor1.setSpeed(Speeed);   //Define maximum velocity
164  motor1.run(BACKWARD); //rotate the motor anti-clockwise
165   motor2.setSpeed(Speeed); //Define maximum velocity
166  motor2.run(BACKWARD);   //rotate the motor anti-clockwise
167  motor3.setSpeed(Speeed/3.1); //Define maximum   velocity
168  motor3.run(BACKWARD); //rotate the motor anti-clockwise
169  motor4.setSpeed(Speeed/3.1);   //Define maximum velocity
170  motor4.run(BACKWARD); //rotate the motor anti-clockwise
171}
172   
173void bottomright()
174{
175  Serial.println("Bottom Right");
176 motor1.setSpeed(Speeed/3.1);   //Define maximum velocity
177  motor1.run(BACKWARD); //rotate the motor anti-clockwise
178   motor2.setSpeed(Speeed/3.1); //Define maximum velocity
179  motor2.run(BACKWARD);   //rotate the motor anti-clockwise
180  motor3.setSpeed(Speeed); //Define maximum   velocity
181  motor3.run(BACKWARD); //rotate the motor anti-clockwise
182  motor4.setSpeed(Speeed);   //Define maximum velocity
183  motor4.run(BACKWARD); //rotate the motor anti-clockwise
184}
185   
186  
187void Stop()
188{
189 Serial.println("Stop");
190 
191  motor1.setSpeed(0);   //Define minimum velocity
192  motor1.run(RELEASE); //stop the motor when release   the button
193  motor2.setSpeed(0); //Define minimum velocity
194  motor2.run(RELEASE);   //rotate the motor clockwise
195  motor3.setSpeed(0); //Define minimum velocity
196   motor3.run(RELEASE); //stop the motor when release the button
197  motor4.setSpeed(0);   //Define minimum velocity
198  motor4.run(RELEASE); //stop the motor when release   the button
199}
200