#define LEDM 5
#define LEDH 4
#define LEDK 3
#define LEDB 2

#define buzzer 6
#define POTEN A0
int value;

void buzz1() {
  digitalWrite(buzzer, HIGH);
  delay(100);
  digitalWrite(buzzer, LOW);
  delay(100);
}

void buzz2() {
  digitalWrite(buzzer, HIGH);
  delay(200); 
  digitalWrite(buzzer, LOW);
  delay(100);
}

void buzz3() {
  digitalWrite(buzzer, HIGH);
  delay(300);
  digitalWrite(buzzer, LOW);
  delay(100);
}

void buzz4() {
  digitalWrite(buzzer, HIGH);
  delay(400);
  digitalWrite(buzzer, LOW);
  delay(100);
}

void setup() {
  // put your setup code here, to run once:
  pinMode(2, OUTPUT);
  pinMode(3, OUTPUT);
  pinMode(4, OUTPUT);
  pinMode(5, OUTPUT);
  pinMode(6, OUTPUT);

  pinMode(A0, INPUT);
  pinMode(8, INPUT);
  pinMode(9, OUTPUT);
  Serial.begin(9600);
}

void loop() {
  value = analogRead(POTEN);

  Serial.print("Nilai Potensio: ");
  Serial.println(value);

  if (value >= 0 && value <= 0) {
    digitalWrite(LEDM, LOW);
    Serial.print("Semua LED Mati | ");
    delay(400);
  }

  if (value >= 1 && value <= 256) {
    digitalWrite(LEDM, HIGH);
    digitalWrite(LEDH, LOW);
    delay(200);
    digitalWrite(LEDM, LOW);
    delay(200);
    Serial.print("LED 1 Menyala | ");
    buzz1();
  }

  if (value >= 257 && value <= 512) {
    digitalWrite(LEDM, LOW);
    digitalWrite(LEDH, HIGH);
    digitalWrite(LEDK, LOW);
    delay(200);
    digitalWrite(LEDH, LOW);
    delay(200);
    Serial.print("LED 2 Menyala | ");
    buzz2();
  }

  if (value >= 513 && value <= 768) {
    digitalWrite(LEDH, LOW);
    digitalWrite(LEDK, HIGH);
    digitalWrite(LEDB, LOW);
    delay(200);
    digitalWrite(LEDK, LOW);
    delay(200);
    Serial.print("LED 3 Menyala | ");
    buzz3();
  }

  if (value >= 769 && value <= 1023) {
    digitalWrite(LEDK, LOW);
    digitalWrite(LEDB, HIGH);
    delay(200);
    digitalWrite(LEDB, LOW);
    delay(200);
    Serial.print("LED 4 Menyala | ");
    buzz4();
  }
}