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

Components and supplies

HC-05 Bluetooth Module

Arduino UNO

DC Motor, 12 V

Battery Holder, 18650 x 2

18650 battery

jamper wires

Motor driver L298N

Tools and machines

Hot glue gun (generic)

Soldering iron (generic)

Apps and platforms

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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