View source for Arduino Sound Sensor

== Introduction ==

Simple sound sensor; output True or False.

== Code 1. The simple ==

<syntaxhighlight lang="C">
/*
 * Created by ArduinoGetStarted.com
 * This example code is in the public domain
 * Tutorial page: https://arduinogetstarted.com/tutorials/arduino-sound-sensor
 */

// Arduino's pin connected to OUT pin of the sound sensor
#define SENSOR_PIN 7

int lastState = HIGH;  // the previous state from the input pin
int currentState;      // the current reading from the input pin

void setup() {
  Serial.begin(9600);
  pinMode(SENSOR_PIN, INPUT);
}

void loop() {
  currentState = digitalRead(SENSOR_PIN);
  if (currentState){
     Serial.println( currentState );
  }else{
     Serial.print("Schii");
  }

}
</syntaxhighlight>