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#include <WiFi.h>
#include <PubSubClient.h>
const char* ssid = "Familia 2.4G";
const char* password = "rr20072015";
const char* mqttServer = "192.168.1.17";
const int mqttPort = 1883;
const char* mqttUser = "";
const char* mqttPassword = "";
WiFiClient espClient;
PubSubClient client(espClient);
void OnMqttReceived(char *topic, byte *payload, unsigned int length)
{
Serial.print("Received on ");
Serial.print(topic);
Serial.print(": ");
String content = "";
for (size_t i = 0; i < length; i++)
{
content.concat((char)payload[i]);
}
Serial.print(content);
Serial.println();
}
void setup()
{ Serial.begin(115200);
WiFi.begin(ssid, password);
Serial.println("...................................");
Serial.print("Connecting to WiFi.");
while (WiFi.status() != WL_CONNECTED)
{ delay(500);
Serial.print(".") ;
}
Serial.println("Connected to the WiFi network");
client.setServer(mqttServer, mqttPort);
while (!client.connected())
{ Serial.println("Connecting to MQTT...");
if (client.connect("prueba", mqttUser, mqttPassword ))
{Serial.println("connected");
client.subscribe("prueba/xd");
client.setCallback(OnMqttReceived);
}
else
{ Serial.print("failed with state ");
Serial.print(client.state());
delay(2000);
}
}
}
void loop()
{ client.loop();
char str[16];
if(Serial.read()>0)
{
sprintf(str, "%u", random(100));
client.publish("prueba/xd", str);
Serial.println(str);
delay(100);
}
}