 char* willTopic = "clients/power";
 char* willMessage = "0";
 
+char* subtopic = "esp8266/check";
+
 IPAddress server(192, 168, 10, 10);
 
 // pin : using line tracker

int average = 0;

WiFiClient wifiClient;
PubSubClient client(wifiClient);

long lastReconnectAttempt = 0;


  }
  //timemillis = millis();
  return client.connected();
}

void callback(char* intopic, byte* inpayload, unsigned int length)
{
  String receivedtopic = intopic;
  String receivedpayload ;

  for (int i = 0; i < length; i++) {
    receivedpayload += (char)inpayload[i];
  }

  if (EVENT_PRINT) {
    Serial.print(intopic);
    Serial.print(" => ");
    Serial.println(receivedpayload);
  }

  if ( receivedpayload == "{\"DOOR\":\"CHECKING\"}") {

    String check_doorpayload = "{\"DOOR\":";
    if ( doorStatus == 0 ) {
      check_doorpayload += "\"CHECK_CLOSED\"";
    }
    else {
      check_doorpayload += "\"CHECK_OPEN\"";
    }
    check_doorpayload += "}";
    sendmqttMsg(doortopic, check_doorpayload);
  }

}

void setup() {
