MQTT_test

MQTT_test.ino

#include <ESP8266WiFi.h>
#include <PubSubClient.h>

// Update these with values suitable for your network.


//const char *ssid = "localwifi";
//const char *password = "localpassword";

const char *ssid = "MyAP";
const char *password = "";

//const char* mqtt_server = "192.168.1.104";
//const char* mqtt_server = "192.168.1.250";
const char* mqtt_server = "192.168.4.1";



WiFiClient espClient;
PubSubClient client(espClient);


void setup() {
  Serial.begin(115200);
  setup_wifi();
  client.setServer(mqtt_server, 1883);
}

void setup_wifi() {

  delay(10);
  // We start by connecting to a WiFi network
  Serial.println();
  Serial.print("Connecting to ");
  Serial.println(ssid);
  WiFi.mode(WIFI_STA); //Adding this command the ESP now work with uMQTT AP!!!
  WiFi.begin(ssid, password);

  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }

  Serial.println("");
  Serial.println("WiFi connected");
  Serial.println("IP address: ");
  Serial.println(WiFi.localIP());
}


void reconnect() {
  // Loop until we're reconnected
  while (!client.connected()) {
    Serial.print("Attempting MQTT connection...");
    // Attempt to connect
    if (client.connect("ESP8266Client")) {
      Serial.println("connected");
    } else {
      Serial.print("failed, rc=");
      Serial.print(client.state());
      Serial.println(" try again in 5 seconds");
      // Wait 5 seconds before retrying
      delay(5000);
    }
  }
}
void loop() {

  if (!client.connected()) {
    reconnect();
  }
  client.loop();
}