#define gasPin A0
void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode(gasPin, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  int sensorValue = analogRead(gasPin); // Read analog value
  Serial.print("Gas Level: ");
  Serial.print(sensorValue);
  Serial.println("ppm");
  delay(5000);
}