int potensio = A1;
int LED = 4;

void setup() {
  // put your setup code here, to run once:
  pinMode(potensio,INPUT);
  Serial.begin(9600);
  pinMode(LED,OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  int nilai = analogRead(potensio);
  float rumus1 = 10230/1023;
  float rumus2 = nilai*rumus1;

  if (nilai < 5115){
    digitalWrite(LED, HIGH);
    delay(nilai);
  }
  else{
    digitalWrite(LED, LOW);
    delay(nilai);
  }
 }