#include <ESP8266WiFi.h>
void connection() ;

#include <PubSubClient.h>
const char* mqtt_server = "chrome";
const char* input = "inTopic" ;
const char* output = "outTopic" ;

WiFiClient espClient; // WiFi connection obj
PubSubClient client(espClient); // MQTT client obj

const byte ledPin = 2; // GPIO2 on LoLin Nodemcu

void setup() {
  Serial.begin(115200);
  delay(10);

  pinMode(ledPin, OUTPUT);
  digitalWrite(ledPin, HIGH); // OnBoard LED is inverted

  connection();
  client.setServer(mqtt_server, 1883);  
}

void loop() {
  
if (!client.connected()) { // Keep MQTT connection on
    reconnect();
  }


char msg[50];
 snprintf (msg, 75, "Test message @millis:  %ld", millis());
client.publish(output, msg);
delay(1000);

client.loop();
}