const int controlPin = 4;
const int enablePin =3;

void setup() {
pinMode (controlPin, OUTPUT);
pinMode (enablePin, OUTPUT);
digitalWrite(enablePin, LOW);
digitalWrite(controlPin, LOW);
Serial.begin(9600);
Serial.println("Ready");
}

void loop() {
if(Serial.available() > 0){
  int inByte = Serial.read();

  switch (inByte) {
    case '0':
    digitalWrite(enablePin, LOW);
    digitalWrite(controlPin, LOW);
    Serial.println("OFF");
    break;
    case '1':

  digitalWrite(controlPin, HIGH);
    analogWrite(enablePin, 50);
    Serial.println("CW slow");
      break;
          case '2':

  digitalWrite(controlPin, HIGH);
    analogWrite(enablePin, 100);
    Serial.println("CW slow +");
      break;
          case '3':
  digitalWrite(controlPin, HIGH);
    analogWrite(enablePin, 150);
    Serial.println("CW medium");
      break;
          case '4':
  digitalWrite(controlPin, HIGH);
    analogWrite(enablePin, 200);
    Serial.println("CW fast");
      break;
          case '5':
  digitalWrite(controlPin, HIGH);
    analogWrite(enablePin, 250);
    Serial.println("CW fast +");
      break;
    case '6':
  digitalWrite(controlPin, LOW);
    analogWrite(enablePin, 50);
    Serial.println("CCW slow");
      break;
      case '7':
  digitalWrite(controlPin, LOW);
    analogWrite(enablePin, 100);
        Serial.println("CCW slow +");
      break;
      case '8':
  digitalWrite(controlPin, LOW);
    analogWrite(enablePin, 150);
        Serial.println("CCW medium");
      break;
       case '9':
  digitalWrite(controlPin, LOW);
    analogWrite(enablePin, 250);
        Serial.println("CCW fast");
      break;
  }
}

}