int ledmerah =12;
int ledorange = 11;
int ledkuning = 10;
int ledtoska = 9;
int buzzer = 3;
int potensio = A1;
int value;

void setup() {
  // put your setup code here, to run once:
Serial.begin(9600);
pinMode(ledmerah, OUTPUT);
pinMode(ledorange, OUTPUT);
pinMode(ledkuning, OUTPUT);
pinMode(ledtoska, OUTPUT);
pinMode(buzzer, OUTPUT);
pinMode(potensio, INPUT);

}

void loop() {
  // put your main code here, to run repeatedly:
value = analogRead(potensio);
tone(buzzer, value);

if(value > 200){
  digitalWrite(ledtoska, HIGH);
}
else{
  digitalWrite(ledtoska, LOW);
}

if(value > 400){
  digitalWrite(ledkuning, HIGH);
}
else{
  digitalWrite(ledkuning, LOW);
}

if(value > 600){
  digitalWrite(ledorange, HIGH);
}
else{
  digitalWrite(ledorange, LOW);
}

if(value > 800){
  digitalWrite(ledmerah, HIGH);
}
else{
  digitalWrite(ledmerah, LOW);
}



}