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Are you too lazy to use a remote control car? Create a new one!

May 19, 2019

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vallauri

cars

4bmecc

Components and supplies

HC-05 Bluetooth Module

Breadboard (generic)

SparkFun Full-Bridge Motor Driver Breakout - L298N

car chassis + dc motor with wheels

Arduino UNO

Jumper wires (generic)

9V battery (generic)

Tools and machines

Hot glue gun (generic)

Multitool, Screwdriver

Apps and platforms

Arduino IDE

Project description

Code

Relazione_listato.ino

arduino

You have to download an application form the play store or the apple store. The app is called "ARDUINO BLUETOOTH RC CAR"

1#include <SoftwareSerial.h>
2
3char data = 0; 
4
5void setup()   {
6 
7Serial.begin(9600);        
8
9  // Impostazione canale A
10  
11pinMode(5,   OUTPUT); 
12
13pinMode(6, OUTPUT);  
14
15  // Impostazione canale B
16  
17pinMode(10,   OUTPUT);
18
19pinMode(11, OUTPUT); 
20
21}
22
23void loop() {
24
25   
26
27   if (Serial.available() > 0) 
28  
29  {
30    
31    data = Serial.read();       
32    
33    Serial.print(data);        
34    
35    Serial.print("\
36");        
37    
38    switch (data) {
39      
40      case '1':
41        //   Motor A
42        digitalWrite(5, HIGH);  
43        digitalWrite(6, LOW);   
44         analogWrite(3, 255);    
45        // Motor B 
46        digitalWrite(10,   HIGH);  
47        digitalWrite(11, LOW);   
48        analogWrite(9, 255);   
49           break;
50      case '2':
51        // Motor A
52        digitalWrite(5,   HIGH);  
53        digitalWrite(6, LOW);   
54        analogWrite(3, 0);      
55         // Motor B
56        digitalWrite(10, LOW);    
57        digitalWrite(11,   LOW);    
58        analogWrite(9, 0);      
59        break;
60      case '3':
61         // Motor A
62        digitalWrite(5, HIGH);  
63        digitalWrite(6,   LOW);   
64        analogWrite(3, 255);    
65        // Motor B
66        digitalWrite(10,   HIGH); 
67        digitalWrite(11, LOW);    
68        analogWrite(9, 127);     
69         break;
70      case '4':
71        // Motor A
72        digitalWrite(5,   HIGH);   
73        digitalWrite(6, LOW);    
74        analogWrite(3, 127);     
75         // Motor B
76        digitalWrite(10, HIGH);  
77        digitalWrite(11,   LOW);    
78        analogWrite(9, 255);    
79        break;
80        
81
82   }
83}
84}
85

#include <SoftwareSerial.h>

char data = 0; 

void setup()   {
 
Serial.begin(9600);        

  // Impostazione canale A
  
pinMode(5,   OUTPUT); 

pinMode(6, OUTPUT);  

  // Impostazione canale B
  
pinMode(10,   OUTPUT);

pinMode(11, OUTPUT); 

}

void loop() {

   

   if (Serial.available() > 0) 
  
  {
    
    data = Serial.read();       
    
    Serial.print(data);        
    
    Serial.print("\
");        
    
    switch (data) {
      
      case '1':
        //   Motor A
        digitalWrite(5, HIGH);  
        digitalWrite(6, LOW);   
         analogWrite(3, 255);    
        // Motor B 
        digitalWrite(10,   HIGH);  
        digitalWrite(11, LOW);   
        analogWrite(9, 255);   
           break;
      case '2':
        // Motor A
        digitalWrite(5,   HIGH);  
        digitalWrite(6, LOW);   
        analogWrite(3, 0);      
         // Motor B
        digitalWrite(10, LOW);    
        digitalWrite(11,   LOW);    
        analogWrite(9, 0);      
        break;
      case '3':
         // Motor A
        digitalWrite(5, HIGH);  
        digitalWrite(6,   LOW);   
        analogWrite(3, 255);    
        // Motor B
        digitalWrite(10,   HIGH); 
        digitalWrite(11, LOW);    
        analogWrite(9, 127);     
         break;
      case '4':
        // Motor A
        digitalWrite(5,   HIGH);   
        digitalWrite(6, LOW);    
        analogWrite(3, 127);     
         // Motor B
        digitalWrite(10, HIGH);  
        digitalWrite(11,   LOW);    
        analogWrite(9, 255);    
        break;
        

   }
}
}

Relazione_listato.ino

arduino

You have to download an application form the play store or the apple store. The app is called "ARDUINO BLUETOOTH RC CAR"

1#include <SoftwareSerial.h>
2
3char data = 0; 
4
5void setup()  {
6 
7Serial.begin(9600);        
8
9  // Impostazione canale A
10  
11pinMode(5,  OUTPUT); 
12
13pinMode(6, OUTPUT);  
14
15  // Impostazione canale B
16  
17pinMode(10,  OUTPUT);
18
19pinMode(11, OUTPUT); 
20
21}
22
23void loop() {
24
25   
26
27  if (Serial.available() > 0) 
28  
29  {
30    
31    data = Serial.read();      
32    
33    Serial.print(data);        
34    
35    Serial.print("\
36");       
37    
38    switch (data) {
39      
40      case '1':
41        //  Motor A
42        digitalWrite(5, HIGH);  
43        digitalWrite(6, LOW);   
44        analogWrite(3, 255);    
45        // Motor B 
46        digitalWrite(10,  HIGH);  
47        digitalWrite(11, LOW);   
48        analogWrite(9, 255);   
49          break;
50      case '2':
51        // Motor A
52        digitalWrite(5,  HIGH);  
53        digitalWrite(6, LOW);   
54        analogWrite(3, 0);      
55        // Motor B
56        digitalWrite(10, LOW);    
57        digitalWrite(11,  LOW);    
58        analogWrite(9, 0);      
59        break;
60      case '3':
61        // Motor A
62        digitalWrite(5, HIGH);  
63        digitalWrite(6,  LOW);   
64        analogWrite(3, 255);    
65        // Motor B
66        digitalWrite(10,  HIGH); 
67        digitalWrite(11, LOW);    
68        analogWrite(9, 127);     
69        break;
70      case '4':
71        // Motor A
72        digitalWrite(5,  HIGH);   
73        digitalWrite(6, LOW);    
74        analogWrite(3, 127);     
75        // Motor B
76        digitalWrite(10, HIGH);  
77        digitalWrite(11,  LOW);    
78        analogWrite(9, 255);    
79        break;
80        
81
82  }
83}
84}
85

#include <SoftwareSerial.h>

char data = 0; 

void setup()  {
 
Serial.begin(9600);        

  // Impostazione canale A
  
pinMode(5,  OUTPUT); 

pinMode(6, OUTPUT);  

  // Impostazione canale B
  
pinMode(10,  OUTPUT);

pinMode(11, OUTPUT); 

}

void loop() {

   

  if (Serial.available() > 0) 
  
  {
    
    data = Serial.read();      
    
    Serial.print(data);        
    
    Serial.print("\
");       
    
    switch (data) {
      
      case '1':
        //  Motor A
        digitalWrite(5, HIGH);  
        digitalWrite(6, LOW);   
        analogWrite(3, 255);    
        // Motor B 
        digitalWrite(10,  HIGH);  
        digitalWrite(11, LOW);   
        analogWrite(9, 255);   
          break;
      case '2':
        // Motor A
        digitalWrite(5,  HIGH);  
        digitalWrite(6, LOW);   
        analogWrite(3, 0);      
        // Motor B
        digitalWrite(10, LOW);    
        digitalWrite(11,  LOW);    
        analogWrite(9, 0);      
        break;
      case '3':
        // Motor A
        digitalWrite(5, HIGH);  
        digitalWrite(6,  LOW);   
        analogWrite(3, 255);    
        // Motor B
        digitalWrite(10,  HIGH); 
        digitalWrite(11, LOW);    
        analogWrite(9, 127);     
        break;
      case '4':
        // Motor A
        digitalWrite(5,  HIGH);   
        digitalWrite(6, LOW);    
        analogWrite(3, 127);     
        // Motor B
        digitalWrite(10, HIGH);  
        digitalWrite(11,  LOW);    
        analogWrite(9, 255);    
        break;
        

  }
}
}

Downloadable files

img_jG64RstiCd.png

We use another motor driver because on http://fritzing.org/home/ there was not the L298N Dual H Bridge

img_jG64RstiCd.png

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