int pinpotensio = 0;
void setup() {
  // put your setup code here, to run once:
Serial.begin(9600);
}

void loop() {
  // put your main code here, to run repeatedly:
int potensio = analogRead(pinpotensio);
float voltage = potensio * (5.0 / 1023.0);
int outputValue = map (potensio,0,1023,0,255);

Serial.print("tegangan = ");
Serial.print(voltage);
Serial.print("\t potensio = ");
Serial.print(potensio);
Serial.print("\t output = ");
Serial.println(outputValue);
delay(3000);
}