void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode(34, OUTPUT);
  pinMode(32, OUTPUT);

}

void loop() {
  
  delay(10);
    int gas_reading= analogRead(34);
      Serial.print("Gas Leakage = ");
      Serial.print(gas_reading);
      if(gas_reading>2000){
        tone(32, 2000);
      }
      else{
        noTone(32);
      }
      
    

}