#include <Arduino.h>

  // Define the pin to which the KY-038 sensor is connected
const int sensorPin = A0;

void setup() {
 
  // Start serial communication at 9600 baud
  Serial.begin(9600);
}

void loop() {
  // Read sound sensor value
  int sensorValue = analogRead(sensorPin);

  // Send the sensor value to the serial port
  Serial.println(sensorValue);

  // Wait a short period before taking another reading
  delay(100);
}