#define ANALOG_PIN 34   // Analog output of MQ-2 connected to GPIO34 (ADC1_CH6)
#define DIGITAL_PIN 32  // Digital output of MQ-2 connected to GPIO32

void setup() {
  Serial.begin(115200);  // Start serial communication
  pinMode(DIGITAL_PIN, INPUT);  // Set digital pin as input
}

void loop() {
  int analogValue = analogRead(ANALOG_PIN);  // Read analog gas level
  int digitalValue = digitalRead(DIGITAL_PIN);  // Read digital signal (High/Low)

  Serial.print("Analog Value: ");
  Serial.print(analogValue);
  Serial.print("\t Digital Value: ");
  Serial.println(digitalValue);

  delay(3000);  // Delay 3 second for stable readings
}