const int buttonPin = 2;
const int ledPin1 = 4;
const int ledPin2 = 5;
const int ledPin3 = 6;
const int ledPin4 = 7;
const int ledPin5 = 8;

int buttonState = 0;
int buttonPressCount = 0;
int numberOfLED = 5;

void setup() {
  pinMode(ledPin1, OUTPUT);
  pinMode(ledPin2, OUTPUT);
  pinMode(ledPin3, OUTPUT);
  pinMode(ledPin4, OUTPUT);
  pinMode(ledPin5, OUTPUT);
  pinMode(buttonPin, INPUT);
}

void loop() {
  buttonState = digitalRead(buttonPin);
  int potValue = analogRead(A0);
  //if (buttonState == HIGH) {
    if (potValue >= 0){
      digitalWrite(ledPin1, HIGH);
      digitalWrite(ledPin2, LOW);
      digitalWrite(ledPin3, LOW);
      digitalWrite(ledPin4, LOW);
      digitalWrite(ledPin5, LOW);
      tone(9, 1000, 500);
    }
    if (potValue >= 250)
      digitalWrite(ledPin2, HIGH);
    if (potValue >= 500)
      digitalWrite(ledPin3, HIGH);
    if (potValue >= 750)
      digitalWrite(ledPin4, HIGH);
    if (potValue >= 1000)
      digitalWrite(ledPin5, HIGH);
    //buttonPressCount++;
    //delay(300);
  //}
}