int potPin=A5;
int ledPin=0;
int potVolt;
float ledValue;
void setup() {
  // put your setup code here, to run once:
  pinMode(potPin, INPUT);
  pinMode(ledPin, OUTPUT);
  Serial.begin(9600);
}

void loop() {
  // put your main code here, to run repeatedly:
  potVolt = analogRead(potPin);
  ledValue = (255./1023)*potVolt;
  analogWrite(ledPin,ledValue);
  Serial.println(ledValue);
}