Code for Motor Speed Control with a Pot

// motor speed control with a pot

const int MOTOR=9; //motor on digital pin 9
const int POT=0; //POT on Analog Pin 0

int val = 0;

void setup() {

  pinMode (MOTOR, OUTPUT);

}

void loop() {

  val = analogRead (POT);
  val = map (val, 0, 1023, 0, 255);
  analogWrite (MOTOR, val);

}