Bluetooth Car 4WD

This car is a Bluetooth controlled car and it is controlled by a phone. we want to download a app as a remote to control the car.

Sep 21, 2019

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18670 views

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1 respects

cars

Components and supplies

Development Board, Motor Control Shield

Arduino UNO

Jumper wires (generic)

Breadboard (generic)

HC-05 Bluetooth Module

Tools and machines

Soldering iron (generic)

Hot glue gun (generic)

Project description

Code

code_for_arduino_blootooth_controlled_rc_car.ino

arduino

1char t;
2 
3void setup() {
4pinMode(13,OUTPUT);   //left motors  forward
5pinMode(12,OUTPUT);   //left motors reverse
6pinMode(11,OUTPUT);   //right  motors forward
7pinMode(10,OUTPUT);   //right motors reverse
8pinMode(9,OUTPUT);   //Led
9Serial.begin(9600);
10 
11}
12 
13void loop() {
14if(Serial.available()){
15  t = Serial.read();
16  Serial.println(t);
17}
18 
19if(t == 'F'){            //move  forward(all motors rotate in forward direction)
20  digitalWrite(13,HIGH);
21  digitalWrite(11,HIGH);
22}
23 
24else if(t == 'B'){      //move reverse (all  motors rotate in reverse direction)
25  digitalWrite(12,HIGH);
26  digitalWrite(10,HIGH);
27}
28  
29else if(t == 'L'){      //turn right (left side motors rotate in forward direction,  right side motors doesn't rotate)
30  digitalWrite(11,HIGH);
31}
32 
33else  if(t == 'R'){      //turn left (right side motors rotate in forward direction, left  side motors doesn't rotate)
34  digitalWrite(13,HIGH);
35}
36
37else if(t ==  'W'){    //turn led on or off)
38  digitalWrite(9,HIGH);
39}
40else if(t == 'w'){
41  digitalWrite(9,LOW);
42}
43 
44else if(t == 'S'){      //STOP (all motors stop)
45  digitalWrite(13,LOW);
46  digitalWrite(12,LOW);
47  digitalWrite(11,LOW);
48  digitalWrite(10,LOW);
49}
50delay(100);
51}

char t;
 
void setup() {
pinMode(13,OUTPUT);   //left motors  forward
pinMode(12,OUTPUT);   //left motors reverse
pinMode(11,OUTPUT);   //right  motors forward
pinMode(10,OUTPUT);   //right motors reverse
pinMode(9,OUTPUT);   //Led
Serial.begin(9600);
 
}
 
void loop() {
if(Serial.available()){
  t = Serial.read();
  Serial.println(t);
}
 
if(t == 'F'){            //move  forward(all motors rotate in forward direction)
  digitalWrite(13,HIGH);
  digitalWrite(11,HIGH);
}
 
else if(t == 'B'){      //move reverse (all  motors rotate in reverse direction)
  digitalWrite(12,HIGH);
  digitalWrite(10,HIGH);
}
  
else if(t == 'L'){      //turn right (left side motors rotate in forward direction,  right side motors doesn't rotate)
  digitalWrite(11,HIGH);
}
 
else  if(t == 'R'){      //turn left (right side motors rotate in forward direction, left  side motors doesn't rotate)
  digitalWrite(13,HIGH);
}

else if(t ==  'W'){    //turn led on or off)
  digitalWrite(9,HIGH);
}
else if(t == 'w'){
  digitalWrite(9,LOW);
}
 
else if(t == 'S'){      //STOP (all motors stop)
  digitalWrite(13,LOW);
  digitalWrite(12,LOW);
  digitalWrite(11,LOW);
  digitalWrite(10,LOW);
}
delay(100);
}

Downloadable files

The circuit diagram

Documentation

arduino_uno_-_r3_Y7wuctaGJ0.jpg