int speedPin = 9;
int directionPin = 8;

void setup() {
  Serial.begin(9600);
  initializeMotor(speedPin,directionPin);
}

void loop() {
  motorForward(100, speedPin, directionPin);
  delay(5000);

  motorReverse(100, speedPin, directionPin);
  delay(5000);

  motorStop( speedPin, directionPin);
  delay(3000);
}