arduino-L293D-motor-driver.ino

// Motor Code Adopted From: http://www.instructables.com/id/Control-your-motors-with-L293D-and-Arduino/?ALLSTEPS
int motor_left[] = {2, 3};
int motor_right[] = {7, 8};

void setup() {
  for(int i = 0; i < 2; i++){
    pinMode(motor_left[i], OUTPUT);
    pinMode(motor_right[i], OUTPUT);
  }
}

void loop() {
  delay(50);
  drive_forward(); // Change this line to other methods like drive_backward, turn_left, turn_right to test the rotation of wheels 
}

void drive_forward() {
  digitalWrite(motor_left[0], HIGH); 
  digitalWrite(motor_left[1], LOW); 
  
  digitalWrite(motor_right[0], HIGH); 
  digitalWrite(motor_right[1], LOW); 
}

void drive_backward() {
  digitalWrite(motor_left[0], LOW); 
  digitalWrite(motor_left[1], HIGH); 
  
  digitalWrite(motor_right[0], LOW); 
  digitalWrite(motor_right[1], HIGH); 
}

void turn_left() {
  digitalWrite(motor_left[0], LOW); 
  digitalWrite(motor_left[1], HIGH); 
  
  digitalWrite(motor_right[0], HIGH); 
  digitalWrite(motor_right[1], LOW);
}

void turn_right() {
  digitalWrite(motor_left[0], HIGH); 
  digitalWrite(motor_left[1], LOW); 
  
  digitalWrite(motor_right[0], LOW); 
  digitalWrite(motor_right[1], HIGH); 
}

void motor_stop(){
  digitalWrite(motor_left[0], LOW); 
  digitalWrite(motor_left[1], LOW); 
  
  digitalWrite(motor_right[0], LOW); 
  digitalWrite(motor_right[1], LOW);
}