Smart IOT Propane Monitoring Pedestal

{
  "languageModel": {
    "intents": [
      {
        "name": "AMAZON.CancelIntent",
        "samples": []
      },
      {
        "name": "AMAZON.HelpIntent",
        "samples": []
      },
      {
        "name": "AMAZON.StopIntent",
        "samples": []
      },
      {
        "name": "GetPropane",
        "samples": [
          "check propane",
          "tell me propane",
          "get propane",
          "get current propane",
          "check current propane"
        ],
        "slots": []
      }
    ],
    "invocationName": "check propane"
  }
}

File Transfer: PropaneMeasurement.ino
#include <WiFi101.h>
#include <MQTTClient.h>
#include <Bridge.h>
#include "HX711.h"

const char ssid[] = "";
const char pass[] = "";

#define DOUT 3
#define CLK 2

HX711 scale(DOUT, CLK);

char username[] = "";
char password[] = "";
char clientID[] = "";

float calibration_factor = -11100;

WiFiClient net;
MQTTClient client;

unsigned long lastMillis = 0;

void setup() {
  Serial.begin(115200);
 
  WiFi.begin(ssid, pass);
  
  scale.set_scale();
  long zero_factor = scale.read_average();
  // Note: Local domain names (e.g. "Computer.local" on OSX) are not supported by Arduino.
  // You need to set the IP address directly.
  client.begin("broker.shiftr.io", net);
  client.onMessage(messageReceived);

  connect();
}

void connect() {
  Serial.print("checking wifi...");
  while (WiFi.status() != WL_CONNECTED) {
    Serial.print(".");
    delay(1000);
  }

  Serial.print("\nconnecting...");
  while (!client.connect("arduino", "try", "try")) {
    Serial.print(".");
    delay(1000);
  }

  Serial.println("\nconnected!");

  client.subscribe("/hello");
  // client.unsubscribe("/hello");
}

void loop() {
  client.loop();
  Serial.print(scale.get_units(), 1);
  Serial.print(" lbs");
  Serial.print(" calibration_factor: ");
  Serial.print(calibration_factor);
  Serial.println();
  if (!client.connected()) {
    connect();
  }

  // publish a message roughly every second.
  if (millis() - lastMillis > 1000) {
    lastMillis = millis();
    client.publish("/hello", "world");
  }
}

void messageReceived(String &topic, String &payload) {
  Serial.println("incoming: " + topic + " - " + payload);
}