const int suara=5;
int bacaSuara;
const int relay=5;
bool on = LOW;
bool off = HIGH;
int batas=200;

void setup() {
  Serial.begin(9600);
  pinMode(suara,INPUT);
  pinMode(relay,OUTPUT);
}

void loop() {
  bacaSuara=analogRead (suara);
  Serial.println(bacaSuara);
  if (bacaSuara>=batas);
    digitalWrite(relay, on);
    delay(1000);
    digitalWrite(relay, off);
    delay(1000);
}