int MoPin = 2;
  // vibrator Grove connected to digital pin 2
const int TouchPin=4;
  // touch Grove Connected to digital pin 4
 
void setup() {
 pinMode(TouchPin, INPUT);
 pinMode( MoPin, OUTPUT );
}
 
void loop() {
 int sensorValue = digitalRead(TouchPin);
 if(sensorValue==1)
 {
 digitalWrite(MoPin,HIGH);
 }
 else
 {
  digitalWrite(MoPin,LOW);
 }
 
}