#define biruLED 3
#define pinBuzzer 4

int potpin=1;
int val,z;

void setup() {
  // put your setup code here, to run once:
 pinMode(biruLED, OUTPUT);
 pinMode(pinBuzzer, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
 val=analogRead(potpin);
 z=map(val,0,1023,0,360);
 if(z>180){
   digitalWrite(biruLED, HIGH);
    tone(pinBuzzer, 150);
  delay(1000);

  noTone(pinBuzzer);

  delay(1000);

  tone(pinBuzzer, 100, 1000);
  delay(2000);
 } else {
   digitalWrite(biruLED, LOW);
   noTone(pinBuzzer);
   delay(100);
 }
}