int pinLed1 = 13;
int pinLed2 = 12;
int pinLed3 = 8;
int pinLed4 = 7;
int pinLed5 = 4;

void setup() {
  Serial.begin(115200);
  pinMode(A1, INPUT);
  pinMode(pinLed1, OUTPUT);
  pinMode(pinLed2, OUTPUT);
  pinMode(pinLed3, OUTPUT);
  pinMode(pinLed4, OUTPUT);
  pinMode(pinLed5, OUTPUT);
}

void loop() {
  int value = analogRead(A1);
  Serial.println(value);
  delay(100);

  int persen = map(value, 0, 1023, 0, 100);

  if (persen >=0 && persen <=20) {
    digitalWrite(pinLed1, HIGH);
    digitalWrite(pinLed2, LOW);
    digitalWrite(pinLed3, LOW);
    digitalWrite(pinLed4, LOW);
    digitalWrite(pinLed5, LOW);
  }

  if (persen >=21 && persen <=40) {
    digitalWrite(pinLed1, HIGH);
    digitalWrite(pinLed2, HIGH);
    digitalWrite(pinLed3, LOW);
    digitalWrite(pinLed4, LOW);
    digitalWrite(pinLed5, LOW);
  }

  if (persen >=41 && persen <=60) {
    digitalWrite(pinLed1, HIGH);
    digitalWrite(pinLed2, HIGH);
    digitalWrite(pinLed3, HIGH);
    digitalWrite(pinLed4, LOW);
    digitalWrite(pinLed5, LOW);
  }

  if (persen >=61 && persen <=80) {
    digitalWrite(pinLed1, HIGH);
    digitalWrite(pinLed2, HIGH);
    digitalWrite(pinLed3, HIGH);
    digitalWrite(pinLed4, HIGH);
    digitalWrite(pinLed5, LOW);
  }

  if (persen >=81 && persen <=100) {
    digitalWrite(pinLed1, HIGH);
    digitalWrite(pinLed2, HIGH);
    digitalWrite(pinLed3, HIGH);
    digitalWrite(pinLed4, HIGH);
    digitalWrite(pinLed5, HIGH);
  }
}