L298N MOTOR DRIVER HACK WITH ATMEGA328P MICRO CONTROLLER IC || HC-05 BL...

COMPONENTS LIST:- 1. L298N MOTOR DRIVER. 2. ATMEGA328P IC. 3. 16MHZ CRYSTAL OSCILATOR. 4. 22PF CERAMIC CAPACITORS X 2. 5. ZERO PCB BOARD. 6. MALE AND FEMALE BERGE STRIP PINS.

CIRCUIT:-

CODE:-

int ENABLEAB = 3;//ENAB

int LMT1  = 12;//IN1

int LMT2  = 11;//IN2

int RMT1  = 10;//IN3

int RMT2  = 9;//IN4

char command; 

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();

}

//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 left(){

  digitalWrite(LMT1, LOW);

  digitalWrite(LMT2, HIGH);

  digitalWrite(RMT1, HIGH);

  digitalWrite(RMT2, LOW);

  analogWrite(ENABLEAB, 200);

}

void right(){

  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, 0);

}