#define potentiometer 4
#define led 13
void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  pinMode(potentiometer, INPUT);
  pinMode(led, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  int maxAnalogue = 4095;
  int maxDutyCycle = 255;
  int reading = analogRead(potentiometer);
  int analogue = map(reading, 0, maxAnalogue, 0, 100);
  int brightness = map(analogRead(potentiometer), 0, maxAnalogue, 0, 100);
  analogWrite(led, brightness);
  Serial.print("Potentiometer: ");
  Serial.print(analogue);
  Serial.print(" ");
  Serial.print("Cycle:" );
  Serial.print(brightness);
  Serial.println();
  delay(10);
}