#define ledmerah 19
#define ledhijau 18
#define potentiometer 34
#define buzzer 2
int sensornilai = 10;

void setup() {
  Serial.begin(9600);
  pinMode(ledmerah, OUTPUT);
  pinMode(buzzer, OUTPUT);

}

void loop() {
  sensornilai = analogRead(potentiometer);
  if(sensornilai >= 400){
    digitalWrite(ledmerah, LOW);
    digitalWrite(ledhijau, LOW);
    tone(buzzer,1000);
    delay(100);
  }else{
    digitalWrite(ledmerah, HIGH);
    digitalWrite(ledmerah, HIGH);
    noTone(buzzer);
    delay(100);
  }
  delay(sensornilai);

  if(sensornilai >=400){
    Serial.println("bahaya" + String(sensornilai));
  }else{
    Serial.println("normal");
  }
  
}