int led = 8;
int pot = A0;
int sensorWaarde = 0;

void setup() {
  // put your setup code here, to run once: 
  pinMode(8, OUTPUT);

}

void loop() {
  // put your main code here, to run repeatedly:
  sensorWaarde = (4900.0/1023*analogRead(pot)) + 100;
  digitalWrite(led, HIGH);
  delay(sensorWaarde);
  digitalWrite(led, LOW);
  delay(sensorWaarde);
}