Arduino Bluetooth car

This project is Arduino Bluetooth car basically it connect with your smart phone with help of Bluetooth. you can easily control it.

Mar 7, 2021

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arduino bluetooth car

arduino easy project

Devices & Components

Arduino Uno Rev3

HC-05 Bluetooth Module

DC Motor, 12 V

Battery Holder, 18650 x 2

18650 battery

jamper wires

Motor driver L298N

Hardware & Tools

Hot glue gun (generic)

Soldering iron (generic)

Software & Tools

arduino rc car

Project description

Code

Arduino Bluetooth Controlled Car Code

arduino

1#include<SoftwareSerial.h>
2SoftwareSerial bluetooth(10,11);
3char  data;
4int a=150,b=150;
5void setup() {
6  Serial.begin(115200);
7  bluetooth.begin(9600);
8  pinMode(2,OUTPUT);
9  pinMode(3,OUTPUT);
10  pinMode(4,OUTPUT);
11  pinMode(5,OUTPUT);
12  pinMode(6,OUTPUT);
13  pinMode(7,OUTPUT);
14}
15void loop() {
16  if(bluetooth.available()){
17  data=bluetooth.read();
18  Serial.println(data);
19}  
20  if(data=='F'){forward();}
21  if(data=='B'){backward();}
22  if(data=='L'){left();}
23  if(data=='R'){right();}
24  if(data=='S'){stop();}
25}
26void forward(){
27  digitalWrite(2,HIGH);
28  digitalWrite(3,LOW);
29  analogWrite(4,a);
30  
31  digitalWrite(5,HIGH);
32  digitalWrite(6,LOW);
33  analogWrite(7,b);
34  }
35void backward(){
36  digitalWrite(2,LOW);
37  digitalWrite(3,HIGH);
38  analogWrite(4,a);
39  
40  digitalWrite(5,LOW);
41  digitalWrite(6,HIGH);
42  analogWrite(7,b);
43  }
44void right(){
45 digitalWrite(2,HIGH);
46  digitalWrite(3,LOW);
47  analogWrite(4,a);
48  
49  digitalWrite(5,LOW);
50  digitalWrite(6,HIGH);
51  analogWrite(7,b);
52  }
53void left(){
54  digitalWrite(2,LOW);
55  digitalWrite(3,HIGH);
56  analogWrite(4,a);
57  
58  digitalWrite(5,HIGH);
59  digitalWrite(6,LOW);
60  analogWrite(7,b);
61  }
62void stop(){
63 digitalWrite(2,LOW);
64  digitalWrite(3,LOW);
65  analogWrite(4,0);
66  
67  digitalWrite(5,LOW);
68  digitalWrite(6,LOW);
69  analogWrite(7,0);
70  }

#include<SoftwareSerial.h>
SoftwareSerial bluetooth(10,11);
char  data;
int a=150,b=150;
void setup() {
  Serial.begin(115200);
  bluetooth.begin(9600);
  pinMode(2,OUTPUT);
  pinMode(3,OUTPUT);
  pinMode(4,OUTPUT);
  pinMode(5,OUTPUT);
  pinMode(6,OUTPUT);
  pinMode(7,OUTPUT);
}
void loop() {
  if(bluetooth.available()){
  data=bluetooth.read();
  Serial.println(data);
}  
  if(data=='F'){forward();}
  if(data=='B'){backward();}
  if(data=='L'){left();}
  if(data=='R'){right();}
  if(data=='S'){stop();}
}
void forward(){
  digitalWrite(2,HIGH);
  digitalWrite(3,LOW);
  analogWrite(4,a);
  
  digitalWrite(5,HIGH);
  digitalWrite(6,LOW);
  analogWrite(7,b);
  }
void backward(){
  digitalWrite(2,LOW);
  digitalWrite(3,HIGH);
  analogWrite(4,a);
  
  digitalWrite(5,LOW);
  digitalWrite(6,HIGH);
  analogWrite(7,b);
  }
void right(){
 digitalWrite(2,HIGH);
  digitalWrite(3,LOW);
  analogWrite(4,a);
  
  digitalWrite(5,LOW);
  digitalWrite(6,HIGH);
  analogWrite(7,b);
  }
void left(){
  digitalWrite(2,LOW);
  digitalWrite(3,HIGH);
  analogWrite(4,a);
  
  digitalWrite(5,HIGH);
  digitalWrite(6,LOW);
  analogWrite(7,b);
  }
void stop(){
 digitalWrite(2,LOW);
  digitalWrite(3,LOW);
  analogWrite(4,0);
  
  digitalWrite(5,LOW);
  digitalWrite(6,LOW);
  analogWrite(7,0);
  }

Arduino Bluetooth Controlled Car Code

arduino

1#include<SoftwareSerial.h>
2SoftwareSerial bluetooth(10,11);
3char   data;
4int a=150,b=150;
5void setup() {
6  Serial.begin(115200);
7  bluetooth.begin(9600);
8   pinMode(2,OUTPUT);
9  pinMode(3,OUTPUT);
10  pinMode(4,OUTPUT);
11  pinMode(5,OUTPUT);
12   pinMode(6,OUTPUT);
13  pinMode(7,OUTPUT);
14}
15void loop() {
16  if(bluetooth.available()){
17   data=bluetooth.read();
18  Serial.println(data);
19}  
20  if(data=='F'){forward();}
21   if(data=='B'){backward();}
22  if(data=='L'){left();}
23  if(data=='R'){right();}
24   if(data=='S'){stop();}
25}
26void forward(){
27  digitalWrite(2,HIGH);
28   digitalWrite(3,LOW);
29  analogWrite(4,a);
30  
31  digitalWrite(5,HIGH);
32   digitalWrite(6,LOW);
33  analogWrite(7,b);
34  }
35void backward(){
36  digitalWrite(2,LOW);
37   digitalWrite(3,HIGH);
38  analogWrite(4,a);
39  
40  digitalWrite(5,LOW);
41   digitalWrite(6,HIGH);
42  analogWrite(7,b);
43  }
44void right(){
45 digitalWrite(2,HIGH);
46   digitalWrite(3,LOW);
47  analogWrite(4,a);
48  
49  digitalWrite(5,LOW);
50   digitalWrite(6,HIGH);
51  analogWrite(7,b);
52  }
53void left(){
54  digitalWrite(2,LOW);
55   digitalWrite(3,HIGH);
56  analogWrite(4,a);
57  
58  digitalWrite(5,HIGH);
59   digitalWrite(6,LOW);
60  analogWrite(7,b);
61  }
62void stop(){
63 digitalWrite(2,LOW);
64   digitalWrite(3,LOW);
65  analogWrite(4,0);
66  
67  digitalWrite(5,LOW);
68   digitalWrite(6,LOW);
69  analogWrite(7,0);
70  }

#include<SoftwareSerial.h>
SoftwareSerial bluetooth(10,11);
char   data;
int a=150,b=150;
void setup() {
  Serial.begin(115200);
  bluetooth.begin(9600);
   pinMode(2,OUTPUT);
  pinMode(3,OUTPUT);
  pinMode(4,OUTPUT);
  pinMode(5,OUTPUT);
   pinMode(6,OUTPUT);
  pinMode(7,OUTPUT);
}
void loop() {
  if(bluetooth.available()){
   data=bluetooth.read();
  Serial.println(data);
}  
  if(data=='F'){forward();}
   if(data=='B'){backward();}
  if(data=='L'){left();}
  if(data=='R'){right();}
   if(data=='S'){stop();}
}
void forward(){
  digitalWrite(2,HIGH);
   digitalWrite(3,LOW);
  analogWrite(4,a);
  
  digitalWrite(5,HIGH);
   digitalWrite(6,LOW);
  analogWrite(7,b);
  }
void backward(){
  digitalWrite(2,LOW);
   digitalWrite(3,HIGH);
  analogWrite(4,a);
  
  digitalWrite(5,LOW);
   digitalWrite(6,HIGH);
  analogWrite(7,b);
  }
void right(){
 digitalWrite(2,HIGH);
   digitalWrite(3,LOW);
  analogWrite(4,a);
  
  digitalWrite(5,LOW);
   digitalWrite(6,HIGH);
  analogWrite(7,b);
  }
void left(){
  digitalWrite(2,LOW);
   digitalWrite(3,HIGH);
  analogWrite(4,a);
  
  digitalWrite(5,HIGH);
   digitalWrite(6,LOW);
  analogWrite(7,b);
  }
void stop(){
 digitalWrite(2,LOW);
   digitalWrite(3,LOW);
  analogWrite(4,0);
  
  digitalWrite(5,LOW);
   digitalWrite(6,LOW);
  analogWrite(7,0);
  }

Downloadable files

Arduino Bluetooth Controlled Car diagram

Follow the diagram

Arduino Bluetooth Controlled Car diagram

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