Voici le debrief de la semaine: test de la station solaire Sunethic, nouveautés Sunology, suivi de production solaire avec OpenDTU et MQTT, gérer la surproduction solaire, test du robot tondeuse Segway Navimow sans fil périmétrique, utilisation de Switchbot sur Apple Homekit grâce à Matter, utilisation de la serrure connectée Nuki avec MQTT, box Home Assistant en 10min pour 75€, tests de vélos électriques, etc.

Retrouvez le détail et les liens ici 👉 https://m-et-d.link/db192023

#PODCAST #DOMOTIQUE #SMARTHOME #BLOG #ENERGIE #ELECTRICITE #INFORMATIQUE #MATTER #APPLE #KHADAS #RPI #RASPBERRYPI #HOMEASSISTANT #SUNOLOGY #SUNETHIC #SWITCHBOT #SEGWAY #JARDIN #NAVIMOW #HOMEKIT #MQTT #GOGOBEST #URTOPIA

Emission n°26: solaire Sunethic / Sunology, robot tondeuse Segway, Matter et SwitchBot, etc.

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How to Download and Use MQTTBox


If you are working with IoT (Internet of Things) devices or applications, you may have heard of MQTT (Message Queuing Telemetry Transport), a lightweight, publish-subscribe based messaging protocol that is ideal for connecting remote devices with a small code footprint and minimal network bandwidth. MQTT has become the de facto standard for IoT communication because of its efficiency and flexibility.


But how can you develop and test your MQTT based clients, brokers, devices, cloud and apps? That's where MQTTBox comes in. MQTTBox is a helper program that allows you to create multiple MQTT clients with different settings, publish and subscribe to topics, load test MQTT devices or brokers, and much more. It is available as a Chrome app, a web app, and a desktop app for Windows, Linux, and Mac.


In this article, we will show you how to download and use MQTTBox for your MQTT development and testing needs. We will cover the following topics:




How to download MQTTBox


How to create MQTT clients and connect to brokers


How to publish and subscribe to topics


How to load test MQTT devices or brokers




By the end of this article, you will have a better understanding of how to use MQTTBox to supercharge your MQTT workflow.

 
How to Download MQTTBox


MQTTBox is available for different platforms. Depending on your preference, you can choose one of the following options:

 
For Chrome Users


If you are using Chrome as your browser, you can install MQTTBox as a Chrome app from the 
Chrome Web Store
. Just click on the "Add to Chrome" button and follow the instructions. Once installed, you can launch the app from your Chrome Apps page or from your desktop shortcut.


How to download MQTTBox for Chrome

MQTTBox for Linux download link

MQTTBox for Mac download link

MQTTBox for Web download link

MQTTBox for Windows download link

Download MQTTBox Apps from GitHub

Download MQTTBox Apps from HiveMQ

MQTTBox client features and settings

MQTTBox load test features and settings

MQTTBox web app live development mode

MQTTBox web app build and deploy instructions

MQTTBox web app websocket support

MQTTBox web app webworker support

MQTTBox Chrome app installation guide

MQTTBox Chrome app permissions and options

MQTTBox Chrome app reviews and ratings

MQTTBox Linux app installation guide

MQTTBox Linux app dependencies and requirements

MQTTBox Linux app updates and releases

MQTTBox Mac app installation guide

MQTTBox Mac app compatibility and issues

MQTTBox Mac app updates and releases

MQTTBox Web app online demo and trial

MQTTBox Web app browser compatibility and issues

MQTTBox Web app security and privacy

MQTTBox Windows app installation guide

MQTTBox Windows app compatibility and issues

MQTTBox Windows app updates and releases

How to use MQTTBox for testing MQTT clients, brokers, devices, apps and cloud

How to use MQTTBox for documenting MQTT connectivity protocol

How to use MQTTBox for publishing and subscribing to multiple topics at the same time

How to use MQTTBox for connecting to multiple MQTT brokers with TCP or Web Sockets protocols

How to use MQTTBox for running load test with wide range of load test settings

How to use MQTTBox for viewing load test data and results in graphs

How to use MQTTBox for copying and republishing payloads

How to use MQTTBox for viewing history of published/subscribed messages for each topic

How to use MQTTBox for reconnecting client to broker

How to use MQTTBox for supporting single level (+) and multilevel (#) subscription to topics

How to use MQ

Learn MQTT with MQTTBox: A Comprehensive and Interactive MQTT App

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How to Download MQTT: A Guide for Beginners


If you are interested in IoT applications, you may have heard of MQTT, a messaging protocol that enables devices to communicate with each other and the cloud. But how do you download and install MQTT on your computer? And how do you secure your MQTT communication? In this article, we will answer these questions and more. We will explain what MQTT is and why you should use it, how to install it on different platforms, and how to protect your IoT data with MQTT security best practices.

 
What is MQTT and why use it?


MQTT stands for Message Queuing Telemetry Transport. It is a lightweight, publish-subscribe, machine-to-machine network protocol for message queue/message queuing service. It is designed for connections with remote locations that have devices with resource constraints or limited network bandwidth , such as in the Internet of Things (IoT).

 
MQTT is a lightweight messaging protocol for IoT


MQTT has several features that make it ideal for IoT applications. Some of these features are:




It uses a publish-subscribe model, where client devices and applications publish and subscribe to topics handled by a broker. This reduces the network overhead and simplifies the communication logic.


It supports three quality-of-service levels: at most once (0), at least once (1), and exactly once (2). This ensures reliability for different IoT use cases.


It has a small packet size and low bandwidth usage. A minimal MQTT control message can be as little as two bytes.


It can handle intermittent or unreliable network connections. It has built-in features that reduce the time the IoT device takes to reconnect with the cloud.


It can be implemented on small microcontrollers with minimal resources. It requires minimal code and power consumption.



 
MQTT benefits and use cases


MQTT is one of the most commonly used protocols in IoT and IIoT infrastructure such as process plants, smart homes, digital health, among others, because of its support for devices that require minimal resources and network bandwidth, as well as its ability to connect millions of IoT devices.


Some of the benefits of using MQTT are:




It enables scalable and reliable IoT systems that can handle high volumes of data and devices.


It improves performance and user experience by reducing latency and battery consumption.


It facilitates interoperability and integration of different devices and platforms.
Some of the use cases of MQTT are:




Smart home automation: MQTT can be used to control smart devices such as lights, thermostats, cameras, and sensors. It can also enable voice and gesture control, as well as remote monitoring and management.


Industrial IoT: MQTT can be used to monitor and control industrial processes, such as manufacturing, oil and gas, energy, and transportation. It can also enable predictive maintenance, asset tracking, and safety and security.


Healthcare: MQTT can be used to collect and analyze data from medical devices, such as wearables, implants, and sensors. It can also enable telemedicine, remote patient monitoring, and emergency response.



 
How to install MQTT on different platforms


There are different ways to install MQTT on your computer, depending on the platform you are using. In this section, we will show you how to install MQTT on Windows, macOS, and Linux. We will also show you how to install MQTTX, a cross-platform MQTT desktop client that allows you to test and debug your MQTT applications.

 
Windows


If you are using Windows, you can download MQTT from mosquitto.org, which is the official website of Eclipse Mosquitto, an open source MQTT

MQTT Download: The Fastest and Easiest Way to Get Started with MQTT

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Cómo descargar y usar MQTT Explorer


MQTT (Message Queue Uing Telemetry Transport) es un protocolo de mensajería ligero, basado en la publicación y suscripción diseñado para dispositivos con recursos limitados y redes de bajo ancho de banda, alta latencia o poco confiables. Es ampliamente utilizado en aplicaciones de Internet de las cosas (IoT), proporcionando una comunicación eficiente entre sensores, actuadores y otros dispositivos. 


Si está trabajando con dispositivos o servicios MQTT, es posible que necesite una herramienta que le ayude a visualizar e interactuar con los temas y mensajes MQTT que se intercambian en su red. Una de estas herramientas es MQTT Explorer, un completo cliente MQTT que proporciona una visión general estructurada de sus temas MQTT y hace que trabajar con dispositivos/ servicios en su bróker sea muy simple. 


En este artículo, le mostraremos cómo descargar y usar MQTT Explorer para conectarse a un bróker MQTT, administrar sus temas y mensajes, y realizar varias tareas como publicar, suscribir, eliminar, filtrar, trazar y comparar temas. 

 
¿Qué es MQTT y por qué lo necesita


Explicación de MQTT


MQTT es un estándar OASIS abierto y una recomendación ISO (ISO/IEC 20922) que define un protocolo de mensajería para aplicaciones IoT. Emplea un patrón de comunicación publish-subscribe, donde los clientes no se comunican directamente entre sí, sino a través de un servidor central llamado bróker. 


Un cliente puede publicar un mensaje a un tema en el bróker, que luego distribuye el mensaje a todos los demás clientes que se han suscrito a ese tema. Un tema es una cadena jerárquica que identifica el contenido o el propósito del mensaje. Por ejemplo, un tema podría ser "hogar/temperatura" o "coche/batería". Un cliente puede suscribirse a varios temas usando comodines como "+" o "#". 





MQTT admite tres niveles de calidad de servicio (QoS) para la entrega de mensajes:




QoS 0: Como máximo una vez entrega. El mensaje se entrega como máximo una vez, pero puede perderse o duplicarse. 



QoS 2: Exactamente una vez entrega. El mensaje se entrega exactamente una vez, sin ninguna pérdida o duplicación. 




MQTT también admite sesiones persistentes, que permiten a los clientes reanudar sus suscripciones y recibir cualquier mensaje perdido cuando se vuelven a conectar al bróker. 

 
Beneficios de MQTT para aplicaciones de IoT


MQTT tiene varios beneficios para las aplicaciones de IoT, como:




Bajo consumo de sobrecarga y ancho de banda. El protocolo utiliza un formato binario y un encabezado mínimo para reducir el tamaño del mensaje y el tráfico de red. 


Comunicación bidireccional. MQTT permite la mensajería entre dispositivo a nube y nube a dispositivo. Esto facilita la transmisión de mensajes a grupos de cosas. 


Escalabilidad. MQTT puede escalar para conectarse con millones de dispositivos IoT. 


Fiabilidad. MQTT proporciona diferentes niveles de QoS para una entrega de mensajes fiable. 


Soporte para redes no confiables. Muchos dispositivos IoT se conectan a través de redes celulares no confiables. El soporte de MQTT para sesiones persistentes reduce el tiempo para volver a conectar el cliente con el bróker. 


¿Qué es MQTT Explorer y cómo puede ayudarle


Características del MQTT Explorer


MQTT Explorer es un cliente MQTT libre y de código abierto que le permite visualizar e interactuar con temas y mensajes MQTT. Tiene una interfaz fácil de usar que le muestra una visión general estructurada de sus temas MQTT y su contenido. Puede publicar y suscribirse fácilmente a temas, eliminar y filtrar temas, trazar y comparar temas numéricos, y más. 


Algunas de las características de MQTT Explorer son:




Agrupación de temas. Puede agrupar temas por prefijos o sufijos comunes

Download Mqtt Explorer

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