Salah Uddin
Published © LGPL

DRY BLE Control RC Rover (Powered by Romeo BLE Quard)

Everyone likes to play with RC car. Lets build our own RC car and play with it. Lets go.

IntermediateFull instructions provided4 hours748
DRY BLE Control RC Rover (Powered by Romeo BLE Quard)

Things used in this project

Hardware components

DFrobot- Rover 5 Tank Chassis
The Rover chassis.
×1
DFRobot Romeo BLE Quad
Motor Driver
×1
Jumper wires (generic)
Jumper wires (generic)
×1

Software apps and online services

DFRobot Bluno Basic Demo (Simple apps)

Story

Read more

Schematics

Connection Diagram

Sorry for paper work. I have not time to draw it using Fritzing.
Thanks

Code

The Arduino sketch

Arduino
/*
* @file BLE-control_motord_rive.ino
* @brief Motor control program for Romeo BLE Quard V1.0 using Mobile Application via Bluethooth
* @Control Command  Use 'F'for Forward 'B' for backwoard 'L' for Left and 'R' for Right
* @ Here i use two Motor noly MA and MC possible to extend with forur Motor
* control motor using BLE via Bluno Test Apps
* 
* @author akash.bangla@gmail.com
* @version  V1.0
* @date  2017-01-05
* pin mapping ref: https://www.dfrobot.com/wiki/index.php/Romeo_BLE_Quad_Robot_Controller_SKU:_DFR0398 
* product wiki: https://www.dfrobot.com/wiki/index.php/Romeo_BLE_Quad_Robot_Controller_SKU:_DFR0398
*/
// motor one
const int IA1=8;  
const int IA2=23;
// motor Two
const int IB1=7;
const int IB2=9;
// motor Three
const int IC1=24;
const int IC2=14;
// motor four
const int ID1=4;
const int ID2=25;

byte byteRead;

void setup() {
  Serial1.begin(115200);  //initial the Serial
  //use four motor
     pinMode(IA1, OUTPUT);
     pinMode(IA2, OUTPUT);
     pinMode(IB1, OUTPUT);
     pinMode(IB2, OUTPUT);
     pinMode(IC1, OUTPUT);
     pinMode(IC2, OUTPUT);
     pinMode(ID1, OUTPUT);
     pinMode(ID2, OUTPUT);

      pinMode(13, OUTPUT);
      pinMode (20,OUTPUT); // place a LED on pin 20 
}
//use slow decay PWM value maximum 100  ref https://www.dfrobot.com/wiki/index.php/Dual_1.5A_Motor_Driver_-_HR8833_SKU:_DRI0040
void loop() {
  digitalWrite(13,LOW);
  digitalWrite(20,LOW);
  
  Motor_reset();
   /*  check if data has been sent from the computer: */
  if (Serial1.available()) {
    /* read the most recent byte */
    byteRead = Serial1.read();
    
    /*Listen for a F which means Forward */
    if(byteRead== 'F'){
      Serial1.println("Moving Forward");
      digitalWrite(13,HIGH);
      digitalWrite(20,HIGH);
      MA_move(50,0);
      MC_move(50,0);
      delay(1000);
    }
    else if (byteRead == 'B')
      {
        Serial1.println("Moving Backword");
        digitalWrite(20,HIGH);
        MA_move(50,1);
        MC_move(50,1);
        delay(1000);
      }
       else if (byteRead == 'L')
        {
          
          Serial1.println("Moving Left");
          digitalWrite(20,HIGH);
          MA_move(50,0);
          MC_move(50,1);
          delay(1000);
          }
          else if (byteRead == 'R')
          {
            
            Serial1.println("Moving Right");
            digitalWrite(20,HIGH);
            MA_move(50,1);
            MC_move(50,0);
            delay(1000);
            }
            else{
      /*ECHO the value that was read, back to the serial port. */
      Serial1.write(byteRead);
    }
  }

}
  

//fuction that reset all the motor 
void Motor_reset()
{
  //reset the motor A
  digitalWrite(IA1,LOW);
  digitalWrite(IA2,LOW);
  
  //reset the motor B
  digitalWrite(IB1,LOW);
  digitalWrite(IB2,LOW);
  
  //reset the motor C
  digitalWrite(IC1,LOW);
  digitalWrite(IC2,LOW);
  
  //reset the motor D
  digitalWrite(ID1,LOW);
  digitalWrite(ID2,LOW);
}
  
  

void MA_move(int Speed,int dir)  //for dir FALSE move forward, otherwise Backword 
{
     if (dir == 0)
     {
      analogWrite(IA1,Speed);    //set the PWM value
      digitalWrite(IA2,HIGH);  
     }
     else 
     {
      analogWrite(IA2,Speed);    //set the PWM value
      digitalWrite(IA1,HIGH);
     }
  }


void MB_move(int Speed,bool dir)  //for dir FALSE move forward, otherwise Backword 
{
     if (dir == 0)
     {
      analogWrite(IB1,Speed);    //set the PWM value
      digitalWrite(IB2,HIGH);  
     }
     else 
     {
      analogWrite(IB2,Speed);    //set the PWM value
      digitalWrite(IB1,HIGH);
     }
  }


void MC_move(int Speed,bool dir)  //for dir FALSE move forward, otherwise Backword 
{
     if (dir == 0)
     {
      analogWrite(IC1,Speed);    //set the PWM value
      digitalWrite(IC2,HIGH);  
     }
     else 
     {
      analogWrite(IC2,Speed);    //set the PWM value
      digitalWrite(IC1,HIGH);
     }
  }


void MD_move(int Speed,bool dir)  //for dir FALSE move forward, otherwise Backword 
{
     if (dir == 0)
     {
      analogWrite(ID1,Speed);    //set the PWM value
      digitalWrite(ID2,HIGH);  
     }
     else 
     {
      analogWrite(ID2,Speed);    //set the PWM value
      digitalWrite(ID1,HIGH);
     }
  }

Credits

Salah Uddin

Salah Uddin

35 projects • 103 followers
Technology and IoT Hacker, Robot Killer and Drone lover.

Comments