Arduino Uno; For More Information - Parallax 29132 Manual

Arduino Uno

int sound = 0;
void setup() {
Serial.begin(9600);
}
void loop() {
sound = digitalRead(2);
if (sound == 1) {
Serial.println("Sound detected!");
delay(100);
}
Note: To view the results of the demonstration, after uploading is complete click the Serial
Monitor icon in the Arduino IDE. This displays the Serial Monitor window. Momentarily
depress the Reset button on the Arduino board to restart the sketch.

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// If loud sound
// Wait 1/10 second
// Repeat
Sound Impact Sensor (#29132).
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