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    1,947 mqtt Gefundene Jobs, Preise in EUR

    - Entwicklung von Backends (C/C++, FastCGI) - M2M Kommunikation (MQTT) - Secure Socket Programmierung (DTLS) - Datenbankprogrammierung (MySQL) - Authentifizierungs- und Authorisationsmanagement (z.B. OAuth2)

    €37 / hr (Avg Bid)
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    8 Angebote
    Pyton Entwickler Beendet left

    Verbindungen von REST / MQTT zu OPC UA über das Edge + Funktionen einees Waagen und Mischrezept

    €58 / hr (Avg Bid)
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    9 Angebote

    Hallo, ein fertiges Skript soll mit der Abfrage von 4 Tastern erweitert werden. Tastendrücke sollen an den definierten MQTT Server aus dem Skript weitergegeben werden. Skript läuft auf meinem NodeMCU V3. 4 Taster inkl. dbounce2 bibliothek. A premade script should be extended with 4 buttons. Debounce should be included, Button status should change an MQTT topic on the set webserver. Script is running on NodeMCU V4

    €136 (Avg Bid)
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    3 Angebote

    Guten Morgen Daniel wir möchten gerne eine einfachen Showcase aufbauen in dem wir zeigen können wie unsere Plattform per MQTT und REST mit anderen Lösungen, wie z.B. ThingsBoard, interagieren kann. Im ersten Schritt würde es uns reichen beispielsweise einen Maschinenstatus per MQTT darzustellen und eine einfache Abfrage per REST zu realisieren. Daher würden wir uns über eine kurzfristige Unterstützung von freuen. Gruß Jonas Steinfurth

    €24 / hr (Avg Bid)
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    1 Angebote

    Diverse Regler und Sensoren für die Kältetechnik Entwickeln und Programieren Mit Raspi, ESP32, MQTT, SQL, ModBus .........usw.

    €1469 (Avg Bid)
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    ...entwickelt werden. Die Seiter bietet Einstellmöglichkeiten für den externen WLAN-AP und den MQTT-Broker. Ebenso kann der DeviceName und der Name der Topics eingegeben werden. Durch speichern wir ein Restart initiiert und der ESP verbindet sich mit dem ausgewählten WLAN-AP und dem Broker. Dazu wird eine erste Anmelde Message geschickt. Der ESP wartet bis der Broker eine Start Senden Nachricht sendet. Daraufhin werden die Pakete vom Device (UART 100Byte) als MQTT Message zum Broker gesendet. Über den Broker können 3 Bytes direkt an das Device gesendet werden. Durch ein Byte aus dem Device oder aus dem Broker kann der ESP wieder auf Werkseinstellungen gesetzt werden. DEVICE --> UART --> ESP01 -----> MQTT ----> BROKER...

    €906 (Avg Bid)
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    Entwicklung einer Prototype App für Home Appliances Kommunikation zwischen Gerät und Mobile App über Cloud Services und MQTT (AWS IoT, Cognito) Statusanzeige des Gerätezustands Steuerung des Geräts Versand von emails Anzeige von statischen Informationen Navigationsmenu Konfigurationsdaten

    €9884 (Avg Bid)
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    Erstellen von 2 Nodes für Node Red wie in der Anlage beschrieben. Nodes sollen die Daten aus einer DB oder von einem MQTT-Broker auslesen und die entsprechenden Daten präsentieren

    €795 (Avg Bid)
    Dringend
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    7 Angebote
    LilyGo TTWACH MQTT sketch 6 Tage left
    VERIFIZIERT

    I need an application to run on a LilyGoTTWATCH to publish and subscribe to a hard coded MQTT Server and display the newly received messaged on the screen.

    €190 (Avg Bid)
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    Require mobile application with built in data base to save user and password registration also mqtt subscribe and publish to topics i attached my expectations for the ui and further details could be given

    €267 (Avg Bid)
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    Mid-Senior Backend Developer 4 Tage left
    VERIFIZIERT

    ...JavaScript language, MongoDB and Node.js (Express, Mongoose) technically proficient Mastering the Microservice architecture, Experienced in creating and deploying Docker containers Restful, experienced in API Integrations, Knowing Scrum and Agile methods, Experience with non-relational databases Experience working with GraphQL, Previous experience working with ElasticSearch Knowledge of RabbitMQ, MQTT and , Knowing the web and mobile application development lifecycle, Knowledgeable in software development methodologies Experience in at least one of the version control software such as Git, BitBucket, Preferably with a minimum of 2 years or more experience. You must write "EVD" at the beginning of your application. This is necessary to distinguish fake applications. Th...

    €25 - €51 / hr
    Versiegelt
    €25 - €51 / hr
    76 Angebote
    esp32 wifi mqtt reconnect 4 Tage left
    VERIFIZIERT

    I want an arduin esp32 code where it connects with wifi and sends data over mqtt. It will check the internet connecton, wifi connection and of any failure it would try to re-establish itself. We should not need to reboot the device from outside, it should get back online whenever the problem is solved. The machine may restart after a long time when it is needed ,but remember on any failure it should not keep rebooting.

    €28 (Avg Bid)
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    Exciting real word product need highly skilled Java engineers who have developed analytics based systems using Kafka, Cassandra, MQTT. Docker, Kubernetes and Jenkins. Must know Spring Boot, SQL, multi threading and RX programming. Must have at least 5 years Experience.

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    Angular + .NET FULLSTACK – JD Location: Remote (UK) 12 month contract Time: 11AM – 8PM Budget: 3000GBP per month Mandatory Experience: • Strong skills in C#, Web based application development experience in C# .NET • Experience with .NET Framework, • Expertise in multiple front-end technologies such as: Angular, Web Forms, is desired • ASP.net, C#, WEB API, SignalR/ RabbitMQ/MQTT • Hands-on experience working with Angular 12 is required • Experience Developing WEB API and REST Services. Expertise in developing REST services in C# alongside using Entity Framework or to consume a SQL Server database • Familiar with application architectures such as MVC, MV*, etc. • Familiar with relational database concepts and software development...

    €28 / hr (Avg Bid)
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    Raspberry and esp32 2 Tage left
    VERIFIZIERT

    We have few sensors connected to esp32 and we would like to show the values in hdmi monitor via esp32. You need to establish uart, I2c or any other (not mqtt) connection between esp32 and I2c and make them displays le. You don't need to worry about sensors, your project will be only to connect esp32 and raspberry and display via hdmi port

    €41 (Avg Bid)
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    I am looking for a flutter developer who have experience in working with integrating MQTT in Flutter application. Its an immediate task.

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    We require freelancers for Android Development who have 10+ years of developing applications for real time streaming platform , The freelancer will be selected based on existing code or proof of necessary skills set . He must also have backend knowledge and server side scripting. InfluxDb, Mysql , Mongodb Can work on Geolocation alerts , realtime alerts and MQTT

    €210 (Avg Bid)
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    Must know ST tool chain, GIT and JIRA workflow. Be intimately familiar with RTOS e.g. FreeRTOS. Know Linux and AWS. Proficient with memory management, sensors, controls, and various communication protocols (QSPI, ModBus, IP, CAN, BacNET, MQTT). Have had direct experience with control systems. Must know:STM32 with FreeRTOS In your application write 'RTOS' on top of your bid to avoid bot bidding Thanks, Link4

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    Busco desarrollador de aplicaciones móviles (Futter y React Native) para proyecto de emprendimiento. Estamos desarrollando un sistema IoT (similar a sistema de seguridad) con conexiones por HTTP, MQTT, Websockets y Bluetooth. La parte del código de backend y embebido (ESP32) está desarrollado al 100% Se requiere: Disponibilidad inmediata para comenzar Disponibilidad de agenda para las próximas semanas Se ofrece: Apoyo necesario por parte del equipo de desarrolladores de Backend y embebido. Reuniones para aclarar cualquier punto. Seriedad, proyecto real, referencias futuras, etc.

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    Angular + .NET FULLSTACK – JD Location: Remote (India) 6 month contract Time: 11AM – 8PM Budget: 1200$ per month Mandatory Experience: • Strong skills in C#, Web based application development experience in C# .NET • Experience with .NET Framework, • Expertise in multiple front-end technologies such as: Angular, Web Forms, is desired • ASP.net, C#, WEB API, SignalR/ RabbitMQ/MQTT • Hands-on experience working with Angular 12 is required • Experience Developing WEB API and REST Services. Expertise in developing REST services in C# alongside using Entity Framework or to consume a SQL Server database • Familiar with application architectures such as MVC, MV*, etc. • Familiar with relational database concepts and software developmen...

    €1466 (Avg Bid)
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    C# wpf application (net6) C# blazor applicartion with mqtt server The wpf ui application connects to the mqtt hosting server with the mqtt client to send and receive data Configuration data, event log data, and motion detection tracking data are received and drawn on the map in real time. Search log history to receive and play motion tracking and other data c# / net6 Use the SDK provided for real-time/recorded video playback Provide default project files Enable DevEXpress mvvm framework and UI Control MQTT ,WebApi sqlite Checking documents and videos

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    I have a project to develop web based application & API for ZK Teco biomatric machines with Mysql DB and we would like to use the API to replace their software we would like to store users card number, pins, finger record, access events and some mqtt integration to control access. We have the SDK files & documentation. Further detail to be provided to interested candidate.

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    Looking for a multi-talented engineer to help with various hardware development/support tasks for the IoT industry. -Circuit design, schematic design -PCB design, troubleshooting, and rework -Firmware programming (nRF52, ESP32, MSP430, (RAK4630 a plus)) -Software programming (Embedded C, Assembler , python,) -IoT RF connectivity (WiFi, cellular, BLE, LoRa/LoRaWAN, MQTT) -IoT sensor connectivity (SPI, I2C, RS-232, RS-485, Modbus, etc) -3D modeling software (Fusion 360) -Design for manufacturing

    €903 (Avg Bid)
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    18 Angebote

    Looking for a multi-talented engineer to help with various hardware development/support tasks for the IoT industry. -Circuit design, schematic design -PCB design, troubleshooting, and rework -Firmware programming (nRF52, ESP32, MSP430, (RAK4630 a plus)) -Software programming (Embedded C, Assembler , python,) -IoT RF connectivity (WiFi, cellular, BLE, LoRa/LoRaWAN, MQTT) -IoT sensor connectivity (SPI, I2C, RS-232, RS-485, Modbus, etc) -3D modeling software (Fusion 360) -Design for manufacturing

    €12 / hr (Avg Bid)
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    Must know ST tool chain, GIT and JIRA workflow. Be intimately familiar with RTOS e.g. FreeRTOS. Know Linux and AWS. Proficient with memory management, sensors, controls, and various communication protocols (QSPI, ModBus, IP, CAN, BacNET, MQTT). Have had direct experience with control systems. Must know:STM32 with FreeRTOS In your application write 'RTOS' on top of your bid to avoid bot bidding Thanks, Link4

    €14 / hr (Avg Bid)
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    I have access to an MQTT feed for multiple sets of second-by-second data for power consumption. I need to translate this into a csv or excel format for subsequent manipulation. The software would need to pick up & parse the MQTT messages (which are sent out every second) and store the data in a suitable file or database. This would be for short bursts of time, or to isolate specific periods of high power usage

    €167 (Avg Bid)
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    i have a project wiht C3-400 4 controlers and we would like to use the API to replace their sw we need a DB to store users and card number and pins and record access events and some mqtt intergration to control access

    €254 - €763
    Versiegelt
    €254 - €763
    14 Angebote
    ipanelKlean -- 2 Beendet left

    We are a solar based company with an iot based product, where we have a mother device as we say in iot terms with several other child devices, mother device and child devi...product, where we have a mother device as we say in iot terms with several other child devices, mother device and child device communicate via lora we have an app in Flutter, backend in AWS, Everthing is in place, hardware and software, we are facing following problems:- 1- In mqtt services while receiving data from device to aws, we are only receiving partial data 2- In lora communication between mother device and child device, we are looking for an expert python developer who is comfortable working with mqtt services and an embedded engineer, who have worked on iot devices with lora based communic...

    €280 (Avg Bid)
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    5 Angebote

    ...PostgreSQL DB using Python (2) Using MQTT create and send messages from the PostgreSQL DB to an Azure IoT Hub using secure cetificate based authentication (3) Replicate the local PostgreSQL DB to a centralized master DB as redundancy via VPN (VPN Server is already in pace) (4) Evalute and implement an opensource solution to graphically present the collected data into a Web-Dashboard to display graphs, statistics, and additional historic and current calculations and create reports Assignmment: In your application please send us a short webcam recorded video introducing yourself, your professional field experience, your skills AND explain some comparable reference projects. Knowdledge Required In: Modbus, M-Bus, Real Time Operating Systems, Linux, Windows, MQTT, AMQP, Pyt...

    €655 (Avg Bid)
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    Hi Daniil R., I noticed your profile and would like to know whether it is a match for our IOT projects. Project Description: (1) Read the necessary energy data and store them locally in a PostgreSQL DB using Python (2) Using MQTT create and send messages from the PostgreSQL DB to an Azure IoT Hub (3) Replicate the local PostgreSQL DB to a centralized master DB as redundancy (4) Graphically present the collected data into a Web-Dashboard for calculations and create reports. Can we have a call?

    €254 (Avg Bid)
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    I have A9G that send GPS coordinates to a MQTT broker. Need LED indicators on it. 1. One LED for power on off status. 2. One LED blinks when connected to network and MQTT broker. It blinks fast when publishing the data. (In case there is another LED available on the board, it can be used as well)

    €69 (Avg Bid)
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    Must know ST tool chain, GIT and JIRA workflow. Be intimately familiar with RTOS e.g. FreeRTOS. Know Linux and AWS. Proficient with memory management, sensors, controls, and various communication protocols (QSPI, ModBus, IP, CAN, BacNET, MQTT). Have had direct experience with control systems. Must know:STM32 with FreeRTOS In your application write 'RTOS' on top of your bid to avoid bot bidding Thanks, Link4

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    Hi, As u had told I had managed to hire a new dev. To work for MQTT, he made it work but it doesn't connect some time in iOS issue, I think it's a minor bug in code, can u pl help me solve it?

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    We are working on an android application that now we want to implement mqtt feature in our application , we are looking for some one who can help us in in implementing this feature in our Android application ,langauge used Java.

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    I have a code which connects fine with server from android. But in iOS it sometimes connect and sometimes doesn't. I think it might be a small issue in the flugin or something. Please only bid if u have done mQTT in Flutter before. Don't mention previous project in the proposal.

    €160 (Avg Bid)
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    I'm looking for a python machine Learning Developer who have experience of .Tensor Flow .Raspberry Pi .MQTT if you have experience of this then bid on it otherwise don't bid on it.

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    I have a code which connects fine with server from android. But in iOS it sometimes connect and sometimes doesn't. I think it might be a small issue in the flugin or something. Please consider budget posted as final

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    Υλοποίηση εφαρμογής σε android η οποία επικοινωνεί με τον Edge Server μέσω MQTT με την χρήση publish και subscribe. Θα κάνει publish καθώς και subscribe σε ένα topic. Το topic στο οποίο θα κάνει publish θα χρησιμοποιείται &gam...

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    We have developed a application now we want to use mqtt protocols in that ,so we are looking for someone who can help us in integrating this thing.

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    I am looking for a developer to be able to fix the issue for socketio in js for ble tag communication. prefer to know about the mqtt and TCP connection, too. thank you.

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    Looking for a MACHINE LEARNING EXPERT Skills: Tensor Flow Lite Raspberry pi MQTT Machine learning QDA Algorithm Please inbox me with your previous work

    €15 (Avg Bid)
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    Se necesita desarrollar sistema de telemetría iot para el transporte de datos industriales donde el internet es malo o muy lento. Cuando no exista conexión, el sistema tiene que ser capas de guardar los datos obtenidos.

    €463 (Avg Bid)
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    Looking for an AWS IOT core proficient person to build me an end to end solution for an IOT project. The project will consist of hardware devices that will be connected to aws iot core through MQTT protocol. The system also needs to handle the input data and log them according to specifications and be able to fetch them through a custom app. The person needs to build all the resources and settings on the aws system for these basic features to be executed by the end devices and the app. Preference to people in Kerala or Bengaluru.

    €119 (Avg Bid)
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    The Project Aims to develop a Wireless USB connection between Remote Computers using MQTT. To connect USB devices wirelessly, second computer should be used as an intermediary (provisioning server, permissions). Develop a Solution for sharing and connecting USB devices over Wi-Fi. Must supports a wide range of USB devices including printers, scanners, hard drives, USB dongles, etc.

    €102 (Avg Bid)
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    4 Angebote

    Must know ST tool chain, GIT and JIRA workflow. Be intimately familiar with RTOS e.g. FreeRTOS. Know Linux and AWS. Proficient with memory management, sensors, controls, and various communication protocols (QSPI, ModBus, IP, CAN, BacNET, MQTT). Have had direct experience with control systems.

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    To develop a monitoring and notification solution with raspberry pi 4. Signals monitored include both DI and AI Provide a GUI on 7" Touch screen with on screen keyboard Send SMS notification of I/O status Keep a history log of all even in USB drive, allowed user to remove the USB drive to open the record in csv format Update I/O status to central server via MQTT Allowed remote access via mobile web

    €835 (Avg Bid)
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    I would like to mearsure and control temperature, water levels, food dispensing for animals. With webacam access by phone with WEB RTC.

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    I need a simple script that can handle a lot of traffic, able to constantly update the status of each device communicating to a mysql table. Countless people are already doing this so I don't want to re-invent the wheel, I just basically want you to mod your existing script to suit my needs. Once this is working and shown to be reliable, I will ask for more functionality to be added and it may turn into an ongoing work for you. Specifically; 1. Store device details and update if/when they have changed. temp, plug #x on/off, topic, power usage, basic info shown in Tasmota GUI. 2. Add new row each time there is a status update. for example, a plug was turned on or off. 3. Add new row each time the device connects for any reason. Minimal info. The point is to have a historical ...

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    Make all needed configuration on Advantech3600 to be connected to our Azure by using MQTT protocol. 1. We will need to work together step by step by "teamviewer" to make the setup and to configure the Sim card (M2M) connectivity on the Advntech3600 hardware and/or by RUT240router. 2. Then transferring the data to Azure by using MQTT protocol.

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    We have an iOS app for our product but we have a problem that when the app is in the background, the app does not refresh, i.e. it only procsses events when the app is in the forground. The events are MQTT messages from our product. If there is an iOS app specialist who have developed apps that process events while in the background we would appreciate the help and may have a lot more work.

    €220 (Avg Bid)
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