BLUETOOTH CONTROLLER CAR WITH MIT APP INVENTOR || L298N MOTOR DRIVER

BLUETOOTH CONTROLLER CAR WITH MIT APP INVENTOR || L298N MOTOR DRIVER

CODE:

//BLUETOOTH CONTROL CAR WITH L298N MOTOR DRIVER

///MKINVENTIONS MADHAN KUMAR CHIRUGURI

///FOLLOW ME ON FACEBOOK AND INSTAGRAM

//MADHAN KUMAR CHIRUGURI

char command; 

int LMT1  = 4;//IN1

int LMT2  = 6;//IN2

int RMT1  = 7;//IN3

int RMT2  = 8;//IN4

int ENABLEAB  = 5;//ENABLE AB

void setup() 

{       

  Serial.begin(9600); 

  pinMode(LMT1, OUTPUT);

  pinMode(LMT2, OUTPUT);

  pinMode(RMT1, OUTPUT);

  pinMode(RMT2, OUTPUT);

  pinMode(ENABLEAB, OUTPUT);

}

void loop(){

 if(Serial.available() > 0){ 

    command = Serial.read(); 

    Serial.println(command); 

//FORWARD..............

if(command == 'F' ){

  forward();

}

//BACKWARD..............

else if(command == 'B' ){

  backward();

}

//LEFT..............

else if(command == 'L' ){

  left();

}

//RIGHT..............

else if(command == 'R' ){

  right();

}

//FORWARD LEFT........

else if(command == 'F' && command == 'L' ){

  forwardleft();

}

//FORWARD RIGHT........

else if(command == 'F' && command == 'R' ){

  forwardright();

}

//BACKWARD LEFT........

else if(command == 'B' && command == 'L' ){

  backwardleft();

}

//BACKWARD RIGHT........

else if(command == 'B' && command == 'R' ){

  backwardright();

}

//STOP..............

else{

  stp();

}

 }

}

void forward(){

  digitalWrite(LMT1, HIGH);

  digitalWrite(LMT2, LOW);

  digitalWrite(RMT1, HIGH);

  digitalWrite(RMT2, LOW);

  analogWrite(ENABLEAB, 200);  

}

void backward(){

  digitalWrite(LMT1, LOW);

  digitalWrite(LMT2, HIGH);

  digitalWrite(RMT1, LOW);

  digitalWrite(RMT2, HIGH);

  analogWrite(ENABLEAB, 200);

}

void right(){

  digitalWrite(LMT1, LOW);

  digitalWrite(LMT2, HIGH);

  digitalWrite(RMT1, HIGH);

  digitalWrite(RMT2, LOW);

  analogWrite(ENABLEAB, 200);

}

void left(){

  digitalWrite(LMT1, HIGH);

  digitalWrite(LMT2, LOW);

  digitalWrite(RMT1, LOW);

  digitalWrite(RMT2, HIGH);

  analogWrite(ENABLEAB, 200);

}

void stp(){

  digitalWrite(LMT1, LOW);

  digitalWrite(LMT2, LOW);

  digitalWrite(RMT1, LOW);

  digitalWrite(RMT2, LOW);

  analogWrite(ENABLEAB, 200);

}

void forwardright(){

  digitalWrite(LMT1, LOW);

  digitalWrite(LMT2, LOW);

  digitalWrite(RMT1, HIGH);

  digitalWrite(RMT2, LOW);

  analogWrite(ENABLEAB, 200);

}

void forwardleft(){

  digitalWrite(LMT1, HIGH);

  digitalWrite(LMT2, LOW);

  digitalWrite(RMT1, LOW);

  digitalWrite(RMT2, LOW);

  analogWrite(ENABLEAB, 200);

}

void backwardleft(){

  digitalWrite(LMT1, LOW);

  digitalWrite(LMT2, LOW);

  digitalWrite(RMT1, LOW);

  digitalWrite(RMT2, HIGH);

  analogWrite(ENABLEAB, 200);

  }

void backwardright(){

  digitalWrite(LMT1, LOW);

  digitalWrite(LMT2, HIGH);

  digitalWrite(RMT1, LOW);

  digitalWrite(RMT2, LOW);

  analogWrite(ENABLEAB, 200);

}