ISUM
Published

Bluetooth Car

This project shows you how to make an Arduino Robot Car Bluetooth Controlled with Arduino, HC-05 Bluetooth Module, and L293D Motor Drive Shi

BeginnerFull instructions provided3,977
Bluetooth Car

Things used in this project

Hardware components

HC-06 Bluetooth Module
×1
L293d Motor shield
×1
Arduino UNO
Arduino UNO
×1
Jumper wires (generic)
Jumper wires (generic)
×24
9V battery (generic)
9V battery (generic)
×1
9V Battery Clip
9V Battery Clip
×1
5 mm LED: Red
5 mm LED: Red
×2
5 mm LED: Green
5 mm LED: Green
×2
Buzzer
Buzzer
×1
Geared AC Motor, 12 rpm
Geared AC Motor, 12 rpm
×4
Breadboard (generic)
Breadboard (generic)
×1

Software apps and online services

Arduino IDE
Arduino IDE
bluetooth rc controller

Story

Read more

Schematics

arduino-robot-car-bluetooth-controlled-schematics_0rEEciOOtM.jpg

Code

Untitled file

Arduino
#include <AFMotor.h>
#define light_FR  14    //LED Front Right   pin A0 for Arduino Uno
#define light_FL  15    //LED Front Left    pin A1 for Arduino Uno
#define light_BR  16    //LED Back Right    pin A2 for Arduino Uno
#define light_BL  17    //LED Back Left     pin A3 for Arduino Uno
#define horn_Buzz 18    //Horn Buzzer       pin A4 for Arduino Uno

AF_DCMotor motor1(1);
AF_DCMotor motor2(2);
AF_DCMotor motor3(3);
AF_DCMotor motor4(4);

int command; //Int to store app command state.
int speedCar = 255; // Initial car speed set 0 to 255.
boolean lightFront = false;
boolean lightBack = false;
boolean horn = false;
void setup()
{
    pinMode(light_FR, OUTPUT);
    pinMode(light_FL, OUTPUT);
    pinMode(light_BR, OUTPUT);
    pinMode(light_BL, OUTPUT);
    pinMode(horn_Buzz, OUTPUT);

    Serial.begin(9600);

  Stop();
}

void forward()
{
  motor1.run(FORWARD);
  motor2.run(FORWARD);
  motor3.run(FORWARD);
  motor4.run(FORWARD);
    motor1.setSpeed(speedCar);
  motor2.setSpeed(speedCar);
  motor3.setSpeed(speedCar);
  motor4.setSpeed(speedCar);
}

void backward()
{
  motor1.run(BACKWARD);
  motor2.run(BACKWARD);
  motor3.run(BACKWARD);
  motor4.run(BACKWARD);
  motor1.setSpeed(speedCar);
  motor2.setSpeed(speedCar);
  motor3.setSpeed(speedCar);
  motor4.setSpeed(speedCar);
}
void left()
{
  motor1.run(FORWARD);
  motor2.run(RELEASE);
  motor3.run(RELEASE);
  motor4.run(FORWARD);
  motor1.setSpeed(speedCar);
  motor4.setSpeed(speedCar);
}
void right()
{
  motor1.run(RELEASE);
  motor2.run(FORWARD);
  motor3.run(FORWARD);
  motor4.run(RELEASE);
  motor2.setSpeed(speedCar);
  motor3.setSpeed(speedCar);
}

void forwardRight()
{
  motor1.run(FORWARD);
  motor2.run(FORWARD);
  motor3.run(FORWARD);
  motor4.run(RELEASE);
  
  motor1.setSpeed(speedCar);
  motor2.setSpeed(speedCar);
  motor3.setSpeed(speedCar);
}

void forwardLeft()
{
  motor1.run(FORWARD);
  motor2.run(FORWARD);
  motor3.run(RELEASE);
  motor4.run(FORWARD);
  
  motor1.setSpeed(speedCar);
  motor2.setSpeed(speedCar);
  motor4.setSpeed(speedCar);
}
void backwardRight()
{
  motor1.run(BACKWARD);
  motor2.run(BACKWARD);
  motor3.run(BACKWARD);
  motor4.run(RELEASE);
     motor1.setSpeed(speedCar);
  motor2.setSpeed(speedCar);
  motor3.setSpeed(speedCar);
}
void backwardLeft()
{
  motor1.run(BACKWARD);
  motor2.run(BACKWARD);
  motor3.run(RELEASE);
  motor4.run(BACKWARD);
  motor1.setSpeed(speedCar);
  motor2.setSpeed(speedCar);
  motor4.setSpeed(speedCar);
}
void Stop()
{
  motor1.run(RELEASE);
  motor2.run(RELEASE);
  motor3.run(RELEASE);
  motor4.run(RELEASE);
}

void loop(){
  
if (Serial.available() > 0) {
  command = Serial.read();
  Stop();       //Initialize with motors stopped.

if (lightFront) {digitalWrite(light_FR, HIGH); digitalWrite(light_FL, HIGH);}
if (!lightFront) {digitalWrite(light_FR, LOW); digitalWrite(light_FL, LOW);}
if (lightBack) {digitalWrite(light_BR, HIGH); digitalWrite(light_BL, HIGH);}
if (!lightBack) {digitalWrite(light_BR, LOW); digitalWrite(light_BL, LOW);}
if (horn) {digitalWrite(horn_Buzz, HIGH);}
if (!horn) {digitalWrite(horn_Buzz, LOW);}

switch (command) {
case 'F':forward();break;
case 'B':backward();break;
case 'L':left();break;
case 'R':right();break;
case 'I':forwardRight();break;
case 'G':forwardLeft();break;
case 'J':backwardRight();break;
case 'H':backwardLeft();break;
case 'S':Stop();break;
case '0':speedCar = 0;break;
case '1':speedCar = 25;break;
case '2':speedCar = 50;break;
case '3':speedCar = 75;break;
case '4':speedCar = 100;break;
case '5':speedCar = 125;break;
case '6':speedCar = 150;break;
case '7':speedCar = 175;break;
case '8':speedCar = 200;break;
case '9':speedCar = 225;break;
case 'q':speedCar = 255;break;
case 'W':lightFront = true;break;
case 'w':lightFront = false;break;
case 'U':lightBack = true;break;
case 'u':lightBack = false;break;
case 'V':horn = true;break;
case 'v':horn = false;break;
}}}

Credits

Isum Sathmira

Posted by ISUM

Comments

Please log in or sign up to comment.

Related channels and tags