#include <Servo.h>
  #define LDR_PIN A1
  const float GAMMA = 0.7;
  const float RL10 = 50;
  Servo myservo;
  int potpin = 0;
  int val;
  
  int kuning1 = 8;
  int kuning2 = 7;
  int kuning3 = 6;
  int kuning4 = 5;
  int kuning5 = 4;
void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode(A0, INPUT);
  pinMode(kuning1, OUTPUT);
  pinMode(kuning2, OUTPUT);
  pinMode(kuning3, OUTPUT);
  pinMode(kuning4, OUTPUT);
  pinMode(kuning5, OUTPUT);

  myservo.attach(9);

  pinMode(LDR_PIN, INPUT);

}

void loop() {
  // put your main code here, to run repeatedly:
  int value = analogRead(A0);
  Serial.println(value);
  delay(100);

  val = analogRead(potpin);
  val = map(val, 0, 1023, 0, 100);
  myservo.write(val);

  int analogValue = analogRead(A1);
  float voltage = analogValue / 1024. * 5;
  float resistance = 2000 * voltage / (1 -voltage / 5);
  float lux = pow(RL10 * 1e3 * )

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

  if(persen >=0 && persen <= 20) {

    digitalWrite(kuning1, HIGH);
    digitalWrite(kuning2, LOW);
    digitalWrite(kuning3, LOW);
    digitalWrite(kuning4, LOW);
    digitalWrite(kuning5, LOW);
  }

  if(persen >=21 && persen <= 40) {

    digitalWrite(kuning1, HIGH);
    digitalWrite(kuning2, HIGH);
    digitalWrite(kuning3, LOW);
    digitalWrite(kuning4, LOW);
    digitalWrite(kuning5, LOW);
  }

  if(persen >=41 && persen <= 60) {

    digitalWrite(kuning1, HIGH);
    digitalWrite(kuning2, HIGH);
    digitalWrite(kuning3, HIGH);
    digitalWrite(kuning4, LOW);
    digitalWrite(kuning5, LOW);
  }

  if(persen >=61 && persen <= 80) {

    digitalWrite(kuning1, HIGH);
    digitalWrite(kuning2, HIGH);
    digitalWrite(kuning3, HIGH);
    digitalWrite(kuning4, HIGH);
    digitalWrite(kuning5, LOW);
  }

  if(persen >=81 && persen <= 100) {

    digitalWrite(kuning1, HIGH);
    digitalWrite(kuning2, HIGH);
    digitalWrite(kuning3, HIGH);
    digitalWrite(kuning4, HIGH);
    digitalWrite(kuning5, HIGH);
  }

}