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Use the LED that is connected to digital 13, and connect the vibration sensor output to digital pin 3. When the vibration sensor detects vibration, the LED will blink.

Sample Code:

int Led=13;//define LED interface

int Shock=3//define vibration sensor interface

int val;//define digital varible val

void setup()

{

pinMode(Led,OUTPUT);//define LED as output 

pinMode(Shock,INPUT);//define shock as input

}

void loop()

{

val=digitalRead(Shock);//

if(val==HIGH)//

{

digitalWrite(Led,LOW);

}

else

{

digitalWrite(Led,HIGH);

}

}

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