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    2,294 mqtt trabalhos encontrados, preços em USD

    Quero testar um broker local – Mosquitto Para isso preciso de um programa que permita que eu simule a quantidade de dispositivos e permita definir a frequência de publicações MQTT. Exemplo: 100, 200, 300, 500 ou mais dispositivos publicando... E que também possa definir o número de Subscriber que irão receber as Publicações. O importante é que o programa faça o descrito acima. pode ser em qualquer linguagem.

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    O projeto geral baseia-se em dashboards com informações de equipamentos, processos, etc de linha de produção industrial. Esta parte da demanda anunciada tem a ver com a programação de dispositivos ESP32 para fazer coleta de sensores de pressão, vazão, contato seco para contagem de itens processados, etc. Desejável conhecimento em ESP32/Arduino. Codigo deve testar se dispositivo...linha de produção industrial. Esta parte da demanda anunciada tem a ver com a programação de dispositivos ESP32 para fazer coleta de sensores de pressão, vazão, contato seco para contagem de itens processados, etc. Desejável conhecimento em ESP32/Arduino. Codigo deve testar se dispositivo est&aacut...

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    Quero um projeto para receber dados da Coulomb meter e imprimir no display nextion e enviar via WIFI para o firebase ou MQTT

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    Hi João Pedro P., I noticed your profile and would like to offer you my project. We can discuss any details over chat. Nós temos um projecto com um Raspberry pi e um Arduino conectados a relays e sensores e a serem controlados pelo Node Red. O que nós gostaríamos era de fazer a adição de um shelly dimmer e com MQTT conseguir junta-lo a nossa aplicação. Gostavamos de explicar melhor e temos outros trabalhos. Trabalhos com hidroponia e agricultura vertical. Obrigado pela atenção,

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    1 - Desenvolver código fonte na IDE do Arduino. 2 - comunicação MQTT . 3 - interface web para configuração (endereço ip do broker MQTT, porta, tópico, rede WIFI, ip estatico ou dhcp , nome do host, atualiza de firmware OTA ) e apresentação de medição em tela. 4- Desenvolver esquemático e PCB no KICAD ou ISIS Proteus 5 - projeto do circuito usando ADE 7758 e ESP32 6 - Comprovar o funcionamento do código fonte na pratica. 7 - Tirar duvidas sobre o funcionamento do código e esquemático ligações e conexões. 8 - Ler registros como, tensão, corrente elétrica, frequência, potência ativa, reativa e aparente, fator de potencia (trif&aa...

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    Olá Hafiz Ahsan R., eu notei seu perfil e gostaria de lhe oferecer meu projeto. Preciso de um projeto de um monitoramento de tensão e corrente. Desenvolver código fonte na IDE do arduino. interface web para configuração (endereço ip do broker MQTT, porta, tópico, rede wifi, ip estatico ou dhcp , nome do host, atualiza de firmware OTA ) e apresentação de medição em tela. Desenvolver esquemático e ISIS Proteus Projeto do circuito usando ADE 7758, ESP32 e sensor de corrente efeito HALL HSTS016L

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    Preciso alguém com conhecimento IOT, ESP8266, Tasmota, MQTT, Home assistant, etc

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    1 - Desenvolver código fonte na IDE do arduino. 2 - comunicação MQTT . 3 - interface web para configuração (endereço ip do broker MQTT, porta, tópico, rede wifi, ip estatico ou dhcp , nome do host, atualiza de firmware OTA ) e apresentação de medição em tela. 4- Desenvolver esquemático e PCB no KICAD ou ISIS Proteus 5 - projeto do circuito usando ADE 7758 e ESP32 6 - Comprovar o funcionamento do código fonte na pratica. 7 - Tirar duvidas sobre o funcionamento do código e esquemático ligações e conexões. 8 - Ler registrados como, tensão, corrente elétrica, frequência, potência ativa, reativa e aparente, fator de potencia (tr...

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    Preciso do projeto de um medidor de energia com o ic ADE7758 trifásico com ESP32 MQTT (esquema elétrico,PCB, arquivo gerber e source code), com interface web de configuração de rede e calibração da medição.

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    Desenvolvimento de um hardware IoT, envolvendo Raspberry, com requisito de sinais de monitoramento de máquina, bufferização em perda de conectividade, dentre outros requisitos, fazendo interface via MQTT para broker na nuvem. O escopo necessário é de exclusivamente desenvolvimento da programação e concepção do hardware.

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    Rede mesh ESP32 Encerrado left

    Desenvolvimento de uma solução em IoT com rede mesh baseada em placas ESP32 e ESP8266 com sensores ligados às placas. Utilizará como método de comunicação entre os pontos, a infraestrutura de rede Mesh, tendo como ponto de concentração uma placa ESP32 como Gatway WI-FI (300 disposit...ESP32 e ESP8266 com sensores ligados às placas. Utilizará como método de comunicação entre os pontos, a infraestrutura de rede Mesh, tendo como ponto de concentração uma placa ESP32 como Gatway WI-FI (300 dispositivos organizados automaticamente). O Gatway replicará os dados captados pelos pontos enviando-os a um servidor MQTT próprio que deverá ser instalado em m&aacut...

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    Descrição do projeto: 1- Instalar ThigsBoard em um sistema operacional Ubuntu. 2- Instalar sservidor MQTT (Mosquitto) 3- Instalar quaisquer outros programas, como: plataformas, protocolos, etc, que seja necessário para o funcionamento da plataforma ThigsBoard. 4- Criar um arquivo (um manual de instalação) que descreva tudo que foi instalado. Descrever as etapas de instalação (de todas as partes instaladas) de forma que se entenda exatamente o que foi realizado. Deve ser criado no formato word ou pdf. 5- Fazer teste de funcionamento utilizando "Pushing com MQTT" e "Subscribe com MQTT", as informações de recebimento/envio "Pushing" e "Subscribe", serão forn...

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    Monitoramento IOT Encerrado left

    Temos um projeto para monitoramento de sensores , porta , temperatura e gás. Estamos precisando de um profissional para validar a programação e trafego de dados . Por exemplo , a placa manda para uma fila Mqtt na nuvem . O serviço busca na fila e manda para nosso software.

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    Modulo de configuração de rede e camada mesh no ESP8266 Conexão entre varios ESP8266, transferencia de dados via MQTT De preferencia em linguagem C ou Python

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    ...desenvolvido com o Framework Ionic onde este app utilizará o Firebase como base de dados. O app precisa de uma tela de login (facebook e email) onde após o login existirá uma tela com a listagem dos itens encontrados no banco que geram conteúdo para o MQTT conforme o vinculo entre o usuário logado e seus dispositivos cadastrados no banco. Preciso de uma tela com um leitor de QR Code que será responsável por ler um código e vincular o usuário logado com o código lido. Sendo assim, na tela em que sao mostrados os dispositivos que o usuário pode monitorar (MQTT) isto deve ser feito automaticamente, o app vai ler o banco de dados e alimentar o ListView para o usuário. No momento em que o ...

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    .../>- Experência em Node.js e <br />- Experência com desenvovimento front-end (Angular.js, HTML5, CSS3, JavaScript, JQuery, Bootstrap)<br />- Experiência em NoSQL. MongoDB, Redis entre outros<br />- Experiencia com messageria(RabbitMQ ou outros)<br />- Experiência com desenvolvimento hibrido(Cordova, PhoneGap ou Xamarin)<br />- Experiencia com Georreferenciamento <br />- Conhecimentos com MQTT<br />- Conhecimentos com Sass, Less, Bower, Grunt<br />- Experiência com Metodologias ágeis(Scrum,Lean,XP)<br />- Conhecimentos em BigData<br />- Configuração de Arquitetura escalável de servidores da AWS ou semelhante<br />- Ter prática com testes automat...

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    .../>- Experência em Node.js e <br />- Experência com desenvovimento front-end (Angular.js, HTML5, CSS3, JavaScript, JQuery, Bootstrap)<br />- Experiência em NoSQL. MongoDB, Redis entre outros<br />- Experiencia com messageria(RabbitMQ ou outros)<br />- Experiência com desenvolvimento hibrido(Cordova, PhoneGap ou Xamarin)<br />- Experiencia com Georreferenciamento <br />- Conhecimentos com MQTT<br />- Conhecimentos com Sass, Less, Bower, Grunt<br />- Experiência com Metodologias ágeis(Scrum,Lean,XP)<br />- Conhecimentos em BigData<br />- Configuração de Arquitetura escalável de servidores da AWS ou semelhante<br />- Ter prática com testes automat...

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    .../>- Experência em Node.js e <br />- Experência com desenvovimento front-end (Angular.js, HTML5, CSS3, JavaScript, JQuery, Bootstrap)<br />- Experiência em NoSQL. MongoDB, Redis entre outros<br />- Experiencia com messageria(RabbitMQ ou outros)<br />- Experiência com desenvolvimento hibrido(Cordova, PhoneGap ou Xamarin)<br />- Experiencia com Georreferenciamento <br />- Conhecimentos com MQTT<br />- Conhecimentos com Sass, Less, Bower, Grunt<br />- Experiência com Metodologias ágeis(Scrum,Lean,XP)<br />- Conhecimentos em BigData<br />- Configuração de Arquitetura escalável de servidores da AWS ou semelhante<br />- Ter prática com testes automat...

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    Desenvolvedor Senior. Graduação Completa ou em fase de conclusão de concurso de Engenharia Mecatrônica/ Robótica. Expertise: Node.js - - MongoDB - MQTT - Cordova. Desenvolvimento em C é fundamental. 

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    php 5.6, nginx, mysql, acesso sudo ssh, npm e composer, além de MQTT e

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    ...expert in MQTT with experience in js/nodejs, my project involves the creation of a website that will not only extract wild card data, but will also provide real-time analysis such as user behaviour analytics, device status, and failure rate analysis. Skills & Experience Needed: - Proficient in using Mosquitto as an MQTT broker - JavaScript / Node.js expertise - Deep understanding of real-time analytics - Experience in extracting wild card data - Track record in creating professional, corporate designs Website Specifications: The website should reflect a professional and corporate design. It should be capable of displaying: - Real-time device status - User behaviour analytics - Failure rate analysis The goal is to combine the technical functionality of r...

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    Mosquitto HTTP Auth Plugin Windows We are using Mosquitto Broker for our MQTT communication. We want to implement HTTP authentication and have been looking at this Go Auth plugin: However, it seems like it only has Linux support, we need Windows support. Essentially we need that whenever there is a connection to our Mosquitto broker, Mosquitto should send a HTTP POST request to our server and verify the MQTT Username and Password. We have been searching around on the internet and found two interesting Github repos regarding this: We would need help with: * Select plugin source, compile and test the plugin (C++) for

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    I'm launching a new enterprise and I require the expertise of an Android developer who has prior experience with MQTT and payment method implementation, along with server setup. This is a critical project and I expect well-navigated and proficient work. Ideal Skills: - Android development - MQTT protocol - Payment system integration - Server setup Expected Experience: Applications from developers with an intermediate level of experience will be considered. Your application should showcase your experience especially with implementing a project similar to this. I look forward to discussing this exciting opportunity with you further.

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    Hello We urgently need a very skilled firmware developer to help in expanding & enhancing a market ready firmware device. You will help with things like MQTT integration, Python/Java programming , IoT device integration... Skills include: ▬ ▬ Python/NodeJS ▬ Java ▬ IoT integration ▬ AWS IoT Core ▬ Paho-MQTT ▬ WebSocket or Server-Sent Events (SSE) ▬ Flask or Django You need to be able to work in a very timely and efficient manner with great attention to detail. Please contact us I am ready to hire right away We are willing to discuss favorable budget terms for a long-term commitment Thanks,

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    I am looking for an experienced developer who can seamlessly integrate MQTT functionalities with my existing PHP Laravel project. My primary goal is to harness the power of real-time messaging for enhanced user experience. Here are the key aspects of what I'm aiming to achieve: **Integration Requirements:** - Implement MQTT to both publish data to and subscribe from MQTT topics efficiently. - Enable the system to handle push notifications smoothly. - Facilitate the sending and receiving of messages between users in real-time. **Ideal Skills and Experience:** - Proficiency in PHP and Laravel framework is a must. - Hands-on experience with MQTT protocol, understanding both publishing and subscribing mechanisms. - Strong background in implementing real-time ...

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    ...User-Friendly Feedback: Implement a feedback system to notify users or administrators of detected defects and the recalculated shortest path. This could include notifications through a user interface or other communication channels. Skills Required: Proficiency in programming ESP32 devices. Experience with Bluetooth and RSSI-based indoor positioning systems. Knowledge of cloud communication protocols (MQTT, HTTP, etc.). Familiarity with fault tolerance concepts and algorithms. Expertise in pathfinding algorithms for dynamic environments. Deliverables: Codebase for ESP32 devices for RSSI-based communication and defect identification. Cloud platform integration for data reception and defect reporting. Path recalculation algorithm considering defects. User interface or notificati...

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    IoT Device Control & Sensor Data 13 horas left
    VERIFICADO

    I'm looking to enhance a personal project by integrating MQTT publish/subscribe capabilities into my existing Python application. The primary goal is to implement remote control functionality for IoT devices and to collect data from multiple sensors, including temperature, humidity sensors, and devices communicating over modbus etc., **Key Project Requirements:** - **MQTT Integration:** Implement MQTT protocol to allow for effective publishing and subscribing, enabling me to remotely control various devices. Broker: - **Sensor Data Collection:** Modify the Python code to collect data from temperature and humidity sensors, as well as devices utilizing modbus for communication. - **Bug Fixes:** Identify and fix any existing bugs in the current Python applicat...

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    Create an IoT solution to send measured distance to the Internet by: - Developing a firmware for ESP32 to read the distance from sensor. - Sending the distance to a central Console using mqtt and node-red

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    I'm in need of an experienced AWS professional, particularly one with MQTT knowledge. The scope of the project includes: - Data Storage: Setting up efficient and scalable data storage within AWS. - Virtual Servers: Establishing virtual servers to handle varying loads. - Cloud Backup: Implementing automated cloud backups to prevent data loss. Ideal Skills: - AWS experience: You should have demonstrable experience with AWS. - MQTT experience: Having worked with MQTT within AWS is crucial for successful completion of this project. In your application, I'd appreciate it if you explicitly stated your experience with AWS and MQTT. The more detail you can provide about your past work with these, the better.

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    We require a skilled MQTT & Spring Boot & Java developer. This is a test project to proof your expertise to aboard you for a longer project. You have to implement a console app which is capable of listening to MQTT server queues with different levels of QoS. This messages have to be persisted to a database with all message details. Key functionalities required: - implement a docker to startup a fresh MQTT server with a bunch of queues and a set of QoS levels per queue - implement a springboot MQTT listener (push notification) which fetches incoming MQTT messages - implement a schedule based MQTT fetcher (pull notification), which works as a fallback, if the MQTT listener is failing - persist the full message details decoded into th...

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    I'm in need of a competent developer who can design a web application and mobile app (for both iOS and Android) for industrial IoT, enabling real-time machine monitoring and control. My estate comprises of devices that communicate via MQTT. The key features the applications need are: - Real-time machine monitoring: With the ability to effectively visualize data. - Machine control: The app/web application should be able to take command and control the machine. - MQTT integration: You should have experience with MQTT as my devices operate under this protocol. Data Visualization: It's essential to have a clear, user-friendly display of the current operating state and statistics of the machines. Alert Notifications: The system should be able to notify me in r...

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    Android App Expert Encerrado left

    I'm seeking a skilled freelancer who can reverse engineer Android mobile applications for the purpose of security testing. This project is pivotal for understanding potential vulnerabilities within our apps and enhancing their security framework. **Requirements:** - Strong background in reverse engineering Android apps. - Experience w...Android apps. - Experience with security testing methodologies for mobile applications. - Ability to provide detailed reports on findings and recommend security enhancements. **Skills and Experience:** - Proficient in tools and languages used for reverse engineering (e.g., APKTool, Jadx, Frida). - Experience with mobile application security testing and vulnerability assessment. - Understanding of MQTT protocol and how it's implemented in ...

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    We require a skilled MQTT & Spring Boot & Java developer. This is a test project to proof your expertise to aboard you for a longer project. You have to implement a console app which is capable of listening to MQTT server queues with different levels of QoS. This messages have to be persisted to a database with all message details. Key functionalities required: - implement a docker to startup a fresh MQTT server with a bunch of queues and a set of QoS levels per queue - implement a springboot MQTT listener (push notification) which fetches incoming MQTT messages - implement a schedule based MQTT fetcher (pull notification), which works as a fallback, if the MQTT listener is failing - persist the full message details decoded into th...

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    ...Integration: Integrate our custom smart devices with the Alexa skill. Define device capabilities, such as on/off control, brightness adjustment, etc. Ensure compatibility with different types of devices (e.g., lights, fans, switches). AWS IoT Integration: Use the AWS IoT SDK to send device data (e.g., state changes, sensor readings) to the AWS IoT cloud. Implement secure communication protocols (e.g., MQTT) for data transmission. Authentication and Authorization: Implement authentication mechanisms to ensure secure communication between Alexa, the skill, and the devices. Use OAuth or other authentication methods supported by Alexa. Error Handling and Logging: Implement robust error handling mechanisms to handle communication errors, device malfunctions, etc. Log relevant even...

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    ...experienced system administrator with expertise in Ubuntu, Docker, Mosquitto MQTT broker, and Node.js to perform an urgent system upgrade and maintenance task on a production server. The server has been running reliably for three years but is now exhibiting stability issues and can no longer be updated or managed effectively. **Scope of Work:** 1. **System Diagnosis:** - Assess the current server environment for stability issues. - Identify causes for the inability to perform system updates and maintenance tasks. 2. **System Upgrade:** - Upgrade the existing Ubuntu 18.04.3 LTS system to the latest Ubuntu LTS version. - Ensure that the upgrade process maintains all existing applications and services, including two Mosquitto MQTT brokers (production and development) and a...

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    I am looking to use the TUYA SDK to integrate several IoT devices with my smart home system. The aim is to achieve greater device connectivity, data moni...three types of devices: - Smart Lighting systems - Climate control devices - Security devices Total, I plan to connect more than 200000+ devices. An ideal candidate for this project would have strong experience with TUYA SDK and IoT devices, knowledgeable in smart home systems and the technologies involved such as BLE, MQTT, and WIFI. Need TUYA SDK for Web & App expert who has experience with IOT Devices for Smart Socket and other devices using BLE, MQTT,WIFI Intention is to integrate devices with Tuya Platform or Sonoff platform. Freelancer must have experience using the Tuya SDK and Compiling binar...

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    TUYA SDK EXPERT Encerrado left

    Need TUYA SDK for Web & App expert who has experience with IOT Devices for Smart Socket and other devices using BLE, MQTT,WIFI Intention is to integrate devices with Tuya Platform or Sonoff platform. Freelancer must have experience using the Tuya SDK and Compiling binary to flash on ESP8266

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    I ...home control and energy efficiency monitoring capacities. - It should be installed in more than 10 rooms of my home. - Most importantly, the Homey Pro 2023 must have the capability to interact with sun panels (possibly through MQTT). Your skills and experience should include: - Knowledgeable with Homey Pro 2023 or similar products. - Proven expertise in energy efficiency monitoring. -Smart home system installation in large-scale residences. - Comfortable in setting up device interactions, specifically with energy devices such as sun panels to MQTT. - Familiarity with MQTT protocol is a significant advantage. Please bid only if you have the necessary experience. All the details will be discussed later with the chosen bidder. I need some information about dashboa...

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    Read MQTT data and decode it with options. Visualise data with charts/gauges/geo location. More details: Which operating system do you prefer for your IoT platform? No preference What specific features do you want your IoT platform to have? Data analytics,Real-time monitoring Do you have any hardware or devices already in mind that you want to integrate with the IoT platform? Yes

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    We need a simple app on login it will show different info and status based on mqtt topic and data

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    ...triggered via mqtt message. There would only ever be a maximum of 4 cameras connected at one time connected via RTSP. The system needs to have a buffered recording of 10 seconds and listening to a MQTT topic, this topic will trigger the recording of a particular camera and store a 20 second clip to a volume drive. Recordings are only triggered via mqtt, no motion needed and storage of 20 second clips only. Once the clip is store, it will then broadcast another message with the file name. QUOTE YOUR TOTAL PRICE - NO NEGOTIATIONS AFTER Key requirements include: - Short-term storage: The system needs to be able to handle moderate capacity for short-term storage. We don't need high capacity for long-term storage. - MQTT Trigger: The system should suppo...

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    ...control. Gateway: - ESP32 with BLE, Wifi and LCD display - Act as a BLE client/observer - Serve as a Wifi MQTT client - Serve as Wifi configuration server - Connect and up to 5 BLE devices - Types of devices can be any BLE device including Power Switch, Medical, Temperature sensors, Water level sensors, Weight or pressure sensors, etc - Configure BLE interface to filter by MAC, scan/connect/disconnect, status display etc - Configure Wifi interface to connect to broadband gateway - Remote control for ON/OFF, set forward frequency, configure device etc - Send data from BLE device at a configurable frequency Remote Server (Simple demo server): - Any machine running Python/Node/PHP server - MQTT and Web service with security - Store data into any DB (SQL preferred) - Send c...

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    I need some help using filebeat with MQTT into Elasticsearch The message arrives to the filebeat, but it's not getting into logstash and I don't know how to parse it. The message looks like this, from a 4 channel IOT power (Sonoff) {"Time":"2024-01-23T18:31:38","Uptime":"0T09:35:09","UptimeSec":34509,"Heap":23,"SleepMode":"Dynamic","Sleep":50,"LoadAvg":19,"MqttCount":5,"POWER1":"OFF","POWER2":"ON","POWER3":"OFF","POWER4":"OFF","Wifi":{"AP":1,"SSId":"MYSSID","BSSId":"EA:CB:BC:50:04:0C","Channel":11,"Mode":...

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    I require a skilled Java developer to implement a console app which must be capable of listening to MQTT server queues with different levels of QoS. This messages have to be persisted to a database with all message details. Key functionalities required: - implement a docker to startup a fresh MQTT server with a bunch of queues and a set of QoS levels per queue - implement a springboot MQTT listener (push notification) which fetches incoming MQTT messages - implement a schedule based MQTT fetcher (pull notification), which works as a fallback, if the MQTT listener is failing - persist the full message details decoded into the database (all transport details, all headers, full decoded payload, along with the full binary message as base64 CLOB) - on...

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    For my project, I require the a seasoned Azure specialist. Your skills should encompass: The Task is quite straight forward: we will provide the Azure account, - setup a MongoDB database on azure - create a timer function to run every hour, this function looks for new data on database. - if the function gets new data, send a message through MQTT of Azure IOT hub. (we will share the message format) • Azure MongoDB Database - I'm looking for someone who has the ability to manage this core service of Azure, although I have not defined the exact functions yet. • Azure Functions - A crucial element of this project. Since the specific functionalities were not specified, I need someone who possesses comprehensive knowledge of Azure functions including but not limited to t...

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    ...conversion to float, and generate a PDF report based on the gathered data. In addition to report generation, the script should also send the converted data to an MQTT broker. The qualified candidates should have: • Extensive knowledge and experience in Python programming • Familiarity with Modbus TCP protocol and MQTT brokers • A thorough understanding of data type conversion • Experience in PDF report generation using Python This project entails: • Modifying Python code to extract data from a Modbus TCP device • Converting multiple data types to float • Generating a PDF report using the converted data • Sending the converted data to an MQTT broker. An understanding of data from power systems, specifically voltage, curren...

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    I'm seeking an expert Laravel developer to make adjustments to my current code base. The intention is to embed the capability to send and receive messages using MQTT. This will provide an efficient platform for real-time communication on the website. The ideal freelancer for this job should: - Have a deep understanding of MQTT protocol. - Be well-versed in Laravel framework. - Have experience in integrating MQTT with Laravel is a plus. - Understand the essence of real-time communication in web applications. Will provide json details. This modification should empower the website to effectively use MQTT for immediate communication and improve the overall performance of the site.

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    I need a proficient Python programmer to finetune my existing code. Below are the specific areas I need assistance with: Input Validation: - Excellent knowledge of Python's input validation is a must. Error Handling: - The ideal freelanc...of Python's input validation is a must. Error Handling: - The ideal freelancer should have superior skills in error handling, including logging errors to a file. Output Formatting: - Expertise in coding Python to format output as a CSV file is necessary. Additional Knowledge: - Writing code to generate and send reports. - Familiarity with MQTT message handling would be an added advantage. Note: The server and file path details for error logging, MQTT broker and output reports will be provided later. A quick turnaround is an...

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    #### Abstract #### We need a Raspberry Pi Pico W to be able to send and receive JSON encoded data to AWS via MQTT over the NB-IoT cellular network. #### Progress #### We are well down the road on this with everything working using the built in WiFi on the Pico. We are using AWS Shadow to keep device config sync'd and then normal pub/sub to and from AWS topics with "AWS IoT rules" setup to store incoming MQTT data on each topic to Dynamo DB. This is all working perfectly utilising a script (see attached file ) and crucially, works in a "non blocking" way so other code can run whilst the script is listening for incoming MQTT messages to subscribed topics. Our next step is to replace using the onboard WiFi and instead to do the comms over th...

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    I require a skilled Java developer to implement a console app which must be capable of listening to MQTT server queues with different levels of QoS. This messages have to be persisted to a database with all message details. Key functionalities required: - implement a docker to startup a fresh MQTT server with a bunch of queues and a set of QoS levels per queue - implement a springboot MQTT listener (push notification) which fetches incoming MQTT messages - implement a schedule based MQTT fetcher (pull notification), which works as a fallback, if the MQTT listener is failing - persist the full message details decoded into the database (all transport details, all headers, full decoded payload, along with the full binary message as base64 CLOB) - on...

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