#define MQ_SENSOR_PIN 16 // Analog pin for MQ sensor

void setup() {
    Serial.begin(115200);
}

void loop() {
    int sensorValue = analogRead(MQ_SENSOR_PIN);  // Read analog value
    float voltage = sensorValue * (3.3 / 4095.0);  // Convert to voltage
    Serial.print("MQ Sensor Value: ");
    Serial.print(sensorValue);
    Serial.print(" | Voltage: ");
    Serial.println(voltage);
    delay(1000);
}