Vibration Sensor Module

1int vib_pin=7;
2int led_pin=13;
3void setup() {
4  pinMode(vib_pin,INPUT);
5  pinMode(led_pin,OUTPUT);
6}
7
8void loop() {
9  int val;
10  val=digitalRead(vib_pin);
11  if(val==1)
12  {
13    digitalWrite(led_pin,HIGH);
14    delay(1000);
15    digitalWrite(led_pin,LOW);
16    delay(1000);
17   }
18   else
19   digitalWrite(led_pin,LOW);
20}