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    3,953 mqtt mcu travaux trouvés au tarif de EUR

    Sistema basado en AWS que monitorea sensores a travez de mqtt.

    €14450 (Avg Bid)
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    15 offres
    logiciel ARDUINO - onduleur PIP4048 S'est terminé left

    Bonjour, je possède un Arduino Méga + Shield Ethernet avec du code Arduino qui importe les trames d'un onduleur photovoltaïque et je souhaite que ce code au lieu d'être envoyé sur un serveur Web que je ne possède pas, expédie les données au format MQTT vers Home assistant;

    €28 (Avg Bid)
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    Bonjour, je suis sur un projet utilisant un Arduino, écran I2C et une interface iot Tuya. Mesure de 6 valeurs analogique, et 4 entrées digital 4 sorties digitale. A envoyé/recevoir sur l'écran 16x2 et sur l'interface Tuya. Mes connaissances étant limitées j'ai besoin des services d'un développeur m'aidant à continuer le développement du programme Arduino et de la communication vers la puce tywe3s Tuya. Je dispose d'une documentation.

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    Solar Inverter integration 6 jours left
    VERIFIÉ

    S.C. Nordic has specialised services for Demand Response on the electricity markerts. We are looking to add a service where we can integrated Solar Inverters in our platform. We are looking for a developer that can develop an device...Raspberry pi, or something more suitable) and the software that interfaces to: 1. Huawei Smart Energy Controller- SUN2000-3/4/5/6/8/10KTL-M1 2. Danfoss Inverters (Using Comlynx protocol and parameters) The solutions must provide access to information on power produced at 1 minute interval, AND the ability to send commands to the inverter so we can lower its production. The device developed must is MQTT for the communication to our portal. The actual implementation of the reporting format will be agreed when the inetrgation with the solar inverter i...

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    Hi, i need a plugin for Unreal Engine 4 that implement the AWS-IoT SDK.I need blueprint functions that allow me to connect via MQTT to AWS-IoT. Link: Contact me for more information

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    Hello. I have BIVOCOM devices which i am wanting to connect using MQTT to thingsboard. The application is pump systems monitoring (Which i will take care of connections) however I am not skilful in the aspect of how to set up Thingsboard cloud and dashboard to devices. I want to set up DI inputs and AI inputs. I also have more specialised LINUX/ NODE RED devices further along. The first device i want to connect it the BIVOCOM TG501. I can send the programming software, and technical data. i understand its not hard, but i arent skilled in this side of things. If you have suggestions i am willing to listen. This is a long term project and i need a partner to assist me.

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    Android app build 6 jours left
    VERIFIÉ

    need an android developer to build an Android app where i need the features bellow 1. show/add/edit rooms 2. show/add/edit devices in rooms. 3. show/add/edit type of devices 4. subscribe to MQTT 5. show/add/edit/search Triggers- Database entry with 6 cols that will be used in logic builder 6. logic builder(Important) when we get a mqtt msg based on the msg we have to search triggers from database and send out diffrent mqtt msg. 7. show/add/edit/search Events. events will be like at 6pm send xyz mqtt msg More details on PM. i need someone who do this and after this is done there will be regular updates. This project will be under NDA

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    need a xamarin forms developer to work along with me to build an Android app where i need the features bellow 1. show/add/edit rooms 2. show/add/edit devices in rooms. 3. show/add/edit type of devices 4. subscribe to MQTT (have code already) 5. show/add/edit/search Triggers- Database entry with 6 cols that will be used in logic builder 6. logic builder(Important) when we get a mqtt msg based on the msg we have to search triggers from database and send out diffrent mqtt msg. 7. show/add/edit/search Events. events will be like at 6pm send xyz mqtt msg More details on PM. i need someone who do this and after this is done there will be regular updates. i can also help in coding when i am free. This project will be under NDA

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    **the project only for web and apps developers NOT for web designers so do not bid if you are not one** vps : digitalocean panel:plesk I HAVE THE SOUCRE CODE FOR WEB AND APPS. INSTALLATION NEEDED ON THE SERVER AND THE TECHNICAL REQUIRMENTS: @firebase @MQTT @node @cron please check the attachmant to understand what is the project about.

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    ...quality, reliability, productivity and performance of the application as well as make recommendations for improvement & innovation Experience working in an Agile/Scrum development process BS/MS degree in Computer Science, Engineering or a related subject 2. Required Skills, Roles and responsibilities Deep understanding of Micro services is mandatory Knowledge of messaging systems, e.g. Kafka, MQTT, RabbitMQ Frameworks: Microsoft .Net/.Net Core Design Patterns: API/Micro service Driven Development Languages: C#, JavaScript libraries a plus (Angular/ React) Agile Methodologies & Practices: SCRUM Thorough knowledge of API specification languages like Swagger and JSON Schema Experience in Relational Databases and NoSQL is desired Experience working on Azure/AWS/G...

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    We have one PCB which has bp,ecg, spo2 and temperature device. it is working with Desktop through usb. We need to write codes for transfer this data in android through usb. (4 pin connection).

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    black bird 3 jours left

    ...suggestion for sensors (sensor Mq-2 and Dht11) - Add 3 Push Button Switch 3*6*2.5mm smt Tactile switches 3*6 smd tact switch ( 1 mode setup / 1 (+) / 1 (-) ) - Update BOM componets with end of life; - Work on tentative the remain within PCB same size. - Ultimate goal is to make the PCB with the lowest possible cost of production and manufacture 10 samples for test; notice: currently i am using MCU Mega 2560 and isn't possible deploy FOTA (firmware over the air) with ESP8266-01 (Serial3). So, if identified any concerns please, let me know before start - milestone #1 Design(SCH, PCB, BOM, Gerber, Pick place, Assembly Drawing): 2days - milestone # 2 components quotes and solve any issues for end of live (potential adjust design and BOM update list) - milestone #3 buy comp...

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    ESP32 Programming 3 jours left
    VERIFIÉ

    We want to use ESP32 for our project 1. COMMUNICATES TO CLOUD: Firmware for Data upload to AWS IoT Hub​ via MQTT 2. READ SENSOR DATA: Firmware for data write communication from sensors​ 3. COMMUNICATES TO LOCAL NETWORK: Communication with Mobile APP

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    Need a simple tool to monitor one SNMP and MQTT-based monitoring tool. You can use any stack to create this software. It needs to have web interface. I want to monitor 2 devices one using SNMP and one using MQTT.

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    we look for someone that has experience on keil c programming for stm32f103 mcu and also on DLMS protocol. we want implement dlms server side on stm32f103 and RS485 serial(uart). the open source exist on and you can download it and implement it on stm32f103.

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    I have a functional ESP32 MQTT code and would like to add another functional ESP8266 code. Both codes suppose to work at the same time. A previous developer did this task but neither MQTT or firebase NOT working, maybe they in conflict or something else?

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    The project consists of connecting ESP32+RFM95 nodes that have sensors (you don't need to program the sensor, just the communication) to a lora gateway, either multichannel or a packet forwarder (a dual channel gateway). Not necessarily using TTN. The data must be sent to the cloud and the parameters sent by the nodes must be displayed. Proposals are accepted.

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    Have a firmware and I can’t seem to make changes or compil it it needs to be done with CCS apparently or MP lab needing the CCS compiler linked to it……… looking for some help to see if it a firmware issue or a mplab issue ? Also want to make some changes to the firmware. Mcu is PIC16F18875 Would like someone to load my firmware and just see if they get any errors when compiling

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    I have a Unity project where I need to make some changes. 1. Add 4 possible combinations, right now you only have 1 possible combination. When the merge is complete, the completion message appears for a few seconds and then goes away. 2. Save the project so that it can be opened from a raspberry and automatically, as soon as it starts. 3. When completing each combination, it sends a different mqtt status and activates a relay The Unity Project. We have all codes and files that appears in video

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    Please read this carefully and completely before making any bid. BIDS MADE TOO QUICKLY WILL BE DELETED - DO NOT MESSAGE ME, I WILL MESSAGE YOU I have an application to produce a demo for a large company who will buy my product/service after the demo. It is a large project and could involve several years of work for you. The project is to provide monitoring and ...respond if the beacon user presses the button. Once we have demonstrated this to the customer we will then get the order and develop the full system which will include approximately: 1. 4,500 staff with Beacons 2. 6 site locations with approx 200 gateways per site. I have all the API documents for all of the Beacons, gateways and also for the What3Words interface. You must have experience with MQTT and iOT. Thanks f...

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    Bulid me a mobile app S'est terminé left

    I want i mobile app to track my luggage using RFID and nod MCU I need it urgently please by maximum after tomorrow

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    1. I have a project in which we are showing a list of video files. I want to make this list dynamic and auto refresh this list when there is a new alert. 2. Show the alert in popup when an MQTT alert is received

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    Need firmware made S'est terminé left

    We got a new pcb made and need a new firmware for it…… old firmware can be used as a guid 80 percent done just need to add some things and also move some things from one pin to another. Using Microchip PIC16F18875 also may want to change the mcu to something elce as it is now out of stock for future boards!

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    Driver development S'est terminé left

    Hello everyone I need someone to help me to develop a small part in a MCU, to adapt a sensor of the temperature to a MCU that use arm cortex m0 as a core

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    Build a Website S'est terminé left

    Build a website with users accounts, to display weather data sent from a 4g weather station using MQTT. Display data with a dashboard and graphs like this: The website must be able to be improved later, registration of areas on maps, interactive content for the user, calculations, etc.

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    I2C - LED Driver + ADC S'est terminé left

    I need a solution to drive up to 16 LEDs with PWM LED Driver (must be able to fade/blink/etc...) that communicates by I2C. I also need to read 8 ADC values, but it can be either through a multiplexer (I2C or standard) or some multi-channel ADC chip communicating by I2C. I need parts that are available right now and there should exist some development board with that chip tha...multi-channel ADC chip communicating by I2C. I need parts that are available right now and there should exist some development board with that chip that I can buy. The project goal is to find the parts and provide a circuit diagram of the solution (block diagram or full schematics). I am also open to alternate solutions which achieve the same purpose (driving LEDs and reading ADC using as few MCU pins as ...

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    I have a product for monitoring vehicle data. I am looking for freelancer from India who can work on the project as full time and not part time. Freelancer from Gujarat will be preferred. For MCU you can select STM32 /ESP32.

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    SCH and PCB e-meter draft board S'est terminé left

    SCH and PCB of e - meter with following sensor and device: 1) 3 input measure current for range 100V-400 V AC and <50 Amp 2)RADIO module 3) HUMIDITY, TEMPERATURE AND BAROMETRIC PRESSURE SENSOR, Accelerometer 4) MCU ESP32 5) GNSS module

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    This python script dumps output to a file, but I want it sent to an MQTT server. Edit code below to publish to MQTT: Output should be JSON: { "SOC": "52.0", "batVolts": "12.2", "sccTemp": "29.0", "loadWatts": "2", "pvVolts": "0.0", "pvAmps": "0.0", "pvWatts": "0.0", "maxBatV": "0.0", "minBatV": "12.2", "todayChgPwr": "0.0", "todayDischgPwr": "0.0", "chargeState": "deactivated", "batType": "gel", "todayGenPwr": "0", "todayConsumPwr": "0", "...

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    Some work has already been done. That needs to be validated and then proceeded on that. This project will have penalty if not completed within time frame provided by developer + 15 days grace period. I am looking for complete hardware, PCB & Firmware design to final product development with low cost. Components: 1. accelerometer, gyrometer & vibration sensor 2. GPS 3. Temperature 4. BLE 5. ...mac address and UUID to identify owner of device. If device moves without saved BLE, then send message to backend. 5. Crash detection 6. Store data sent to card for a day. In case device is not able to send data, then send later. 7. When user press panic/find button, burger should produce sound accordingly (panic vs search) 8. All urls should be configurable All communications to be happene...

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    Desarrollo de un proyecto de software para la comunicación entre dispositivos IoT Conocimientos - Excluyente, experiencia en desarrollo con protocolo ONVIF - Programación backend NodeJs y API Web - Configuración de Servicios Web y Nube - Experiencia en IOT y MQTT - Experiencia en microservicio y contenedores - Seguridad, comunicaciones y redes

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    I am the author of DistKV which is a lockless distributed key-value storage system. I need a Node / Node-Red adapter for it. DistKV has a reasonably-well-documented, msgpack-based client/server protocol. Requirement: nodes for getting and setting values, pretty much along the lines of the existing MQTT adapter. NB: bids with generic text will be blocked.

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    firmware development of the charger S&#039;est terminé left

    ...the charger. Every voltage range will have a particular stage associated with it. Which would require the microcontrollers to assign different functions to the hardware like opening or closing of the relays. • The protection such as voltage and current protection should be added • The basic security such as passcode or RFID Tag should be implemented with the use of controller. Project timeline: • MCU Selection-1st week • Interfacing the controller with following circuit Power measuring unit-2nd week Control Pilot unit-3rd week LED driver-3rd week Basic security-4th week Fault condition-4th week Testing and verification of each function-5th week Expected Outcome: The developed firmware should be good enough for the commercial ev charging And all the criteria...

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    Need to develop a display-based video player where audio is also essential for the same video. Videos will be played via SD card. A microcontroller is required for the same operation to reduce cost. Developers can use Arduino-based ICs or ESP or any other low-cost MCUs.

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    I need an developer with Python skill and preferably with experience with MQTT and USSD/AT commands. for a module that can receive transaction and execute USSD/AT commands transactions. The Budget is an estimate, so can be discussed or review accordingly. More details to be share one to one.

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    NodeMCU Logger S&#039;est terminé left

    Take inputs from all Digital and Analog inputs of the Node MCU and post them to a Google Sheets document along with the date and timestamp. Maximum update frequency will be 30 seconds - 1 minute

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    front end IOS and Android S&#039;est terminé left

    ...into project usage - Being familiar with agile development model such as scrum, having experience with git, DevOps tools - Reading, writing technology documents/reporting skills regarding work Requirements - 2+ years of relative working experience on iOS platform, (working experience in Android platform is a plus, smart home/community project experience) - Sound knowledge on H5, HTTPS, TCP/UDP, MQTT and operational capability in programming - Knowledge on cross-platform app develop experience, such as uniapp, flutter, react native, is an add on - A BS/MS/PhD in computer science, information systems, software engineering, or relative - A solution-focused approach and strong written and spoken communication skills in English, (CET6 or above) - An individual who is a quick learner,...

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    I need to build a Ground Control Station for a satellite. For which I need a desktop application which can communicate to ESP32 serially and use MQTT to send commands and store the received data in csv format.

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    Need an electronic project, only schematics, in Kicad. The board must have a STM32F072 as mcu. Then here is the list of requirements: -power supply at 24Vdc; -external resonator for maximum frequency; -external 32768khz quartz for rtcc; -button battery for backup rtcc; -4 open collector output max 6 amps of current; -HD44780 display with contrast managed by pwm pin and backlight managed by an npn transistor controlled by mcu; -HC06 Bluetooth module; -external i2c eeprom; -6x inputs for buttons (buttons between input and GND); -to be programmed and debugged with StlinkV2 (jtag); All others features can be decided from freelancer. Need a functional project to be installed in industrial environment. I’m a software developer and I haven’t time for schematics. Th...

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

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    Stop Mode for STM32 MCU S&#039;est terminé left

    I have STM32 MCU, I am looking for someone to code the stop modd for it. The MCU needs to wake up when one of the following happened: 1. One of two button is pressed 2. If a time elapsed such as for every 10 minutes. 3. Input from a sensor such as smoke/gas

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    AndroidApp Bridge for MQTT S&#039;est terminé left

    I selected an opensource app that connect to IoT smartwatch. The data are saved in a database file on the phone. I need a developer that add the choice to send directly the data via MQTT to a broker. The MQTT message is a JSON string with a few fix tags and (TIMESTAMP, VALUE). It is required to deliver the source code. The projects should require further customization. They will be considered step-by-step upon satisfaction on both sides.

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    Dear Free Lancers, We are looking for a skilled software engineer/ Developer to build me an software to apply scripts on a binary file. Binary files we will use is a reading from ECU/MCU/TCM of vehicles computers ( ECUs ). The scripts we will provide but we need an app with access ( permission ) and other option which will be discussed later. attached i a file we read from and Car ECU. BR

    €722 - €1445
    Scellé LDN
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    49 offres

    NOTE: tight deadline Goal is to develop a prototype application for STM32 that can run LUA 5.4.4 scripts. Mandatory conditions are: - targets STM32L552 (nucleo board existing for that MCU, link to active stock given down below), however one can check on an other MCU as long as project is delivered to correct target. - STM32CubeIDE based project, latest L5 SDK - must run in an freertos task - must run some simple commands and call a custom C function. Custom C function will just blink a led. - no elua or simpler project. This must be the official LUA source code running. This is not meant to be a real application, just a working proof of concept. To be valid, the program must be run successfully on a nucleo L552 board i have. Compilable project will have to be g...

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    Texas Instruments Hercules MCU S&#039;est terminé left

    Require an expert with experience on TI Hercules series to debug a problem with ECAP, RTI & ETPWM operation. Must have experience on this MCU, CCS, and Halcogen toolset. Project requires review of configuration of these registers and correcting an intermittent measurement bug in ECAP. Bug is very repeatable and isolated to one line of code related to clearing RTI timing registers to keep timers in Sync in a radio network.

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    Full Stack Developer S&#039;est terminé left

    We require the following experience: • Production Linux system administration (GCP cloud systems a plus) • publish/subscribe messaging (MQTT preferred) • docker+kubernetes (Locally hosted Kubernetes a big plus) • automated deployments+ CI/CD (Preferred GitLab, others okay) Nice to have: • application and server certificate management • API service development • HPC cluster job management

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    MQTT to Google forms via nodered S&#039;est terminé left

    Hi, I am making a simple nodered flow to publish data via google forms to a google sheet. I have attached a project document with concrete examples. I will also have a live broker with contiuous messages to program while doing on real data as I think that is needed. Basically, I am trying to do the following : Parsing the message is done in nodered. I like nodered for its visual programming for data flows, especially live data flows. I am thinking a prototype could be built in approx 5 hours. After this prottype I will have another 8 hours for optimisation inside google sheets by adding pivot tables and simple filter functions.. If this is successfull I have more work. we could also use this flow: https://flows

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    Atmega, I2C, RS485 and PC interface S&#039;est terminé left

    For this project, you will be selecting the MCU for the HW schematic, writing the clear code with commentaries, for I2C and RS485 communication and developing a PC interface to communicate data with the board

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    I'm looking for an embedded programmer capable to w...microcontroller) or FTDI Vinculum II USB Host IC in order to remap USB Gamepad/Joystick HID data (X/Y/Z/Rx/Ry/Rz/etc) to a predefined UART protocol. There is an existing base code that generate a UART protocol, but the byte array is random and not predefined. This code can be taken as the basis or written from scratch. The project must work and compilable out of the Github SDCC environment postet. MCU Info: CH559 () chip CH559 USB Host Code: FTDI Vinculum II Info: UART protocol specs: SERaero C2-16B attached HID HOST Function Description: attached PDF NOTE: Only embedded USB HID experienced peoples!

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    Alerthor monitor S&#039;est terminé left

    We need insall mqtt broker in ubuntu 20.04

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