int vPump = D0;
int atHome = D1;
unsigned lastBusTime = 0;
bool busHere = false;
void setup()
{
  pinMode(vPump, OUTPUT);
  pinMode(atHome, INPUT_PULLUP);
  Particle.subscribe("bustime", callballonpop);
}

void loop()
{
  if (busHere == TRUE)
  { if (millis() - lastBusTime  < 5000)
    {
      balooonpop();
    }
    else
    {
      digitalWrite(vPump, LOW);
      busHere == FALSE;
    }
  }
}


  void callballonpop(const char *event, const char *data)
  {
    lastBusTime = millis();
    busHere = TRUE;
    loop();

  }

  void balooonpop()
    { if (digitalRead(D1) == LOW)
      {
        digitalWrite(vPump, HIGH);
      }
      else
      {

        digitalWrite(vPump, LOW);
      }


  }