// Code for MQ-3 sensor on XIAO ESP32 C3

#define MQ3_PIN 2  // GPIO2, Analog input A0 on XIAO ESP32 C3

void setup() {
  Serial.begin(115200);     // Start serial communication
  pinMode(MQ3_PIN, INPUT);  // Set the pin as input
}

void loop() {
  int sensorValue = analogRead(MQ3_PIN);  // Read the analog value
  Serial.print("MQ-3 Sensor Value: ");
  Serial.println(sensorValue);  // Print the value to the Serial Monitor
  delay(1000);                  // Wait for 1 second before reading again
}