IOT 16

#include <WiFi.h>
#include "Adafruit_MQTT.h"
#include "Adafruit_MQTT_Client.h"

#define WLAN_SSID       "Your_WiFi_SSID"
#define WLAN_PASS       "Your_WiFi_Password"

#define AIO_SERVER      "io.adafruit.com"
#define AIO_SERVERPORT  1883
#define AIO_USERNAME    "Your_AdafruitIO_Username"
#define AIO_KEY         "Your_AdafruitIO_Key"

WiFiClient client;
Adafruit_MQTT_Client mqtt(&client, AIO_SERVER, AIO_SERVERPORT, AIO_USERNAME, AIO_KEY);

Adafruit_MQTT_Publish data = Adafruit_MQTT_Publish(&mqtt, AIO_USERNAME "/feeds/your_feed_name"); // Change "your_feed_name" to your Adafruit IO feed name

void connectWiFi() {
  WiFi.begin(WLAN_SSID, WLAN_PASS);
  while (WiFi.status() != WL_CONNECTED) {
    delay(1000);
    Serial.println("Connecting to WiFi...");
  }
  Serial.println("Connected to WiFi");
}

void MQTT_connect() {
  int8_t ret;

  if (mqtt.connected()) {
    return;
  }

  Serial.print("Connecting to Adafruit IO... ");
  while ((ret = mqtt.connect()) != 0) {
    Serial.println(mqtt.connectErrorString(ret));
    Serial.println("Retrying MQTT connection in 5 seconds...");
    mqtt.disconnect();
    delay(5000);
  }
  Serial.println("MQTT Connected!");
}

void setup() {
  Serial.begin(115200);
  delay(100);

  connectWiFi();
}

void loop() {
  MQTT_connect();

  // Your logic to obtain sensor data or any variable
  float yourData = 25.5; // Replace this with your actual data source

  Serial.print("Sending data: ");
  Serial.println(yourData);

  if (!data.publish(yourData)) {
    Serial.println("Failed to publish data!");
  }

  delay(5000); // Adjust delay as needed
}