int pwmPin = 9; // Digital pin 9
#define INB       6 // Digital pin 6
#define INA       5 // Digital pin 5


void setup() {
  Serial.begin(9600);

  Serial.print("Hulkster Monitor");

  //pinModes
  pinMode(INA, OUTPUT);
  pinMode(INB, OUTPUT);
  //-------------------------//
  digitalWrite(INA, LOW); // motor stops
  digitalWrite(INB, LOW);

}//setup

void loop() {

  for (int i = 0; i <= 255; i += 1) {
    analogWrite(pwmPin, i); // increasing speed from 0 to 255
    digitalWrite(INA, HIGH); // to this direction
    digitalWrite(INA, LOW);
    delay(10);
  }

  for (int i = 255; i >= 0; i -= 1) {
    analogWrite(pwmPin, i);
    digitalWrite(INA, LOW);
    digitalWrite(INA, HIGH);// to the other direction (it will reverse)
    delay(10);
  }

  ////////////////////////////////////////////

}//loop