const int potPin = A0;
const int ledPin = 9;

int potValue = 0;
int pwmValue = 0;
void setup() {
  // put your setup code here, to run once:
  pinMode(ledPin, OUTPUT);
  Serial.begin(9600);

}

void loop() {
  // put your main code here, to run repeatedly:
  potValue = analogRead(potPin);
  pwmValue = map(potValue, 0, 1023, 0, 255);
  analogWrite(ledPin,pwmValue);
  Serial.print("Potentiometer value:");
  Serial.print(potValue);
  Serial.print("Pwm: ");
  Serial.println(pwmValue);

  delay(1000);

}