PWM Motor Drive

CODE FOR PWM DRIVE

int motor = 9;
int speed = 0;

void setup() {
  pinMode(motor, OUTPUT);
}

void loop() {
  analogWrite(motor, speed);

  speed = speed + 31;
 
  if (speed > 250)
  {
    speed = 255;
  }

  delay(4000);
 
  if (speed > 250)
  {
    speed = 0;
  }

}