int potipin = A0;
int ledpin = 9;
int potivalue;
int brightness;

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:
potivalue = analogRead(potipin);
Serial.print("Potiwert (10bit) = ");
Serial.println(potivalue);

brightness = map(potivalue,0,1023,0,255);
//analogWrite(ledpin,brightness);

//Serial.print("//  Helligkeit (8bit) = ");
//Serial.println(brightness);
delay(100);

}