Shock Sensor Module Code

/* SETUP

Shock-Sensor   Arduino
S       -      D10
        -      5V
-       -      GND
*/
 
int Led = 13 ;// define LED Interface
int Shock = 10; // define the vibration sensor interface
int val; // define numeric variables val
void setup ()
{
  pinMode (Led, OUTPUT) ; // define LED as output interface
  pinMode (Shock, INPUT) ; // output interface defines vibration sensor
}
void loop ()
{
  val = digitalRead (Shock) ; // read digital interface is assigned a value of 3 val
  if (val == HIGH) // When the shock sensor detects a signal, LED flashes
  {
    digitalWrite (Led, LOW);
  }
  else
  {
    digitalWrite (Led, HIGH);
  }
}