int potensio = A1;
int lampu = 4;
void setup() {

pinMode(potensio, INPUT);
pinMode(lampu, OUTPUT);
Serial.begin(9600);

}

void loop() {
int nilai = analogRead(A1);

float rumus1 = 10230/1023;
float rumus2 = nilai*rumus1;
if (rumus2 < 5115) {

digitalWrite(lampu, HIGH);
delay(nilai);
}
else
{
digitalWrite(lampu, LOW);
delay(nilai);
}
Serial.println(nilai);
Serial.print("ohm");
}