const int nilailed = 10;
int pinbar [] = { 3,4,5,6,7,8,9,10,11,12};

void setup() {
  // put your setup code here, to run once:
  pinMode(A0, INPUT);
  Serial.begin(9600);

  for ( int led = 0; led < nilailed; led++){
    pinMode(pinbar[led], OUTPUT);
  }
}

void loop() {
  // put your mainode here, to run repeatedly:
  analogRead(A0);
  int potensio = analogRead(A0);
  int level_led = map (potensio,0,1023,0,nilailed);

  for( int led = 0; led < level_led; led++){
    if (led < level_led){
      digitalWrite(pinbar[led], HIGH);
    }
    else{
      digitalWrite(pinbar[led],LOW);
    }
  }

  float tegangan = potensio*(5.0/1024.0);
  // Serial.print("tegangan");
  //  Serial.print(tegangan);
  //  Serial.print(", Analog Value");
  //  Serial.println(analogvalue);
}