485công việc

...PC, I am seeking a proficient software programmer to write a program for USB to RS-485 communication. This program will retrieve real-time operating conditions from my solar inverter and present it on a visual dashboard - the program also needs to be able to change key operating parameters. Key Requirements: - Development of a program that facilitates communication between PC and solar inverter over USB to RS-485 - Enable the retrieval of real-time operating conditions data from the solar inverter - Create a clear, easy-to-use visual dashboard to display this data in real-time Ideal Skills and Experience: - Proficiency in software programming and systems integration - Previous experience with USB to RS-485 communication - Solar energy systems knowledge is a plus -...

I need a skilled professional to compute cosine similarity scores between a master document and 485 comparison documents. IMPORTANT: Please, ensure that your computations are based on sequences of eight words. All files are in PDF format and only consist of English text without any special characters or symbols. Here are the specifics: - Files: One master document and 485 comparison documents in PDF format - Language: English only - Special Considerations: No special characters or symbols involved Experience with text processing and similarity measures, especially cosine similarity, is crucial for this project. Proficiency in programming languages that can handle this task, such as Python or Java, is also required. Your expertise in dealing with PDF files will be a defin...

I Need a Telegraf config to read RS-485 Modbus Soil sensors according to the attached protocols, 2 sensors, all the values.

I'm looking for someone to assist with setting up a LabVIEW RS 485 communication framework.

Hello, I look for a specific company that produced STM32F407 PCB with LAN and 485 ports about 2 years ago, the name of the persons were Ariel and Alan. If new candidates decided to participate, they have to prove that can develop complete embedded systems with STM32, Atmega, NXP, ESP32 as well PCB design, prototype and full production of assembled boards. I'll need the same team for forthcoming projects that I'll post here in Freelancer. The current requirement that will be used ONLY for proving skills: Short project for reading sms from SIM800L with ESP32 and search of a string with password inside the SMS. If password matches, ESP32 should send mail through wifi to given e-mail. C/assembler user for communication with GSM module, for e-mail can use Python. T...

Project description: Solution needed for data acquisition and visualisation. The data has to be collected from a sensor using Modbus RTU, the data needs to be read from the register and logged into a .csv file with timestamp attached to each readout. This however also needs to be visualized realtime as the data collection takes place preferably on a rolling chart with "x" axes being time and "y" axis being the value read. The distinct points should be connected on the graph with a straight line. The time delay between measurements should be as little as practically possible. Available hardware for the task: - "node mcu ESP32s3", or "Panlee WT32 SC-01 plus" the latter has built in RS485. - Nvidia jetson nano - Ra...

I'm in need of a creative and eye-catching banner design for our homepage. The banner will prominently feature our Easter Deals. I'm looking for someone who can: - Incorporate our tagline 'Easter Deals' into the banner design. Our style is grungy and colour of titles is f0b323. The dimensions are: large 1390 x 550 mobile 375 x 485 For the large banner, there should only be text in the middle 50% of the banner (due to the responsive site, the sides drop out on some screens). I would preferably receive the banners in psd files so that we can customise the slogans in language for our different sites. Please use the photo Dunlop Squash EdgbastonDW700564 for the banner.

I'm looking for a technically proficient embedded engineer in Ho Chi Minh City, Vietnam. The project involves advancing a motion controller (PID position control) that is currently at a functional prototype should have experience in embedded system development but also possess specific skills in in-circuit debugging and a thorough understanding of the Modbus(485) protocol. I'm particularly interested in candidates who are recent graduates with a strong analytical mindset and a passion for embedded systems. Project Status: Advanced stage with a functional prototype firmware already developed. Immediate focus on refinement, debugging, optimization, and real-world application testing. Applicant must be located in Ho Chi Minh City, Vietnam. Qualifications: Strong s...

I am in need of an experienced PLC programmer to code for a DVP-01PU (position control unit). Here are the key requirements and details of the project: - Controlling LS XGT Servo Drive [XDL-L7SA010AE] with DVP-01PU unit which connected to PLC CPU "Output relay" as shown in the photo. - The system will include Touch screen HMI model: DOP-107BV connected to PLC CPU Via. RS-485 - The specific model to be programmed is the DVP-01PU (position control unit). - The servo system is required to control the rotation of the motor in the right or left direction with a limited number of rotations, such as 30 rotations to the right and the same to the left. - It is known that the number of rotations will be constant and cannot be changed through the touch screen. - There is a proximit...

...display in OLED and end the parameters to the remote through RS 485 data logger. Key Features: - Energy, voltage, and current measurement capabilities. - Extend measurement to AC & DC, temperature, pressure, flow, vibration, speed, and sound noise. - Utilize an OLED display for clear, convenient data visualization. - Transmit collected parameters remotely via RS 485 data logger using the Modbus protocol. Power Requirements: - Must support both AC and DC power supplies to ensure flexibility in various operational environments. Necessary Skills and Experience: - Proficiency in embedded system design and prototyping. - Strong background in electronic circuit design and instrumentation. - Familiarity with Modbus protocol and RS-485 communication. - Competence in p...

I'm urgently in need of a talented Embeeded Engineer create a display board card for a bus. Here's what you need to know: RS-485 Communication between display board and 1 device Working priniciple: one device and one display board operates at same time. On the device we select a number 123 or select the route from drop up/down buttons and select ok then it will be display on the board . This card is connected to LED display board through FRC Cable (one point is in this card and another is in LED board ) LED Board has only matrix LED on the boards. Simple working : RS-485 communication between DEVICE and the display board. We already have device and we needed customised board card - Timeframe: This is a high priority project. I need it done ASAP, so I'll...

I require a proficient Java developer to build a standalone GUI application. This application must be capable of both serial and Ethernet communication. Key Specifications: - RS-485 protocol for serial communication - The application must process Binary Data Ideal Skills: - Proven experience in Java programming - Extensive knowledge in handling RS-485 protocol - Proficient in Ethernet and serial communication - Experience in high-quality GUI application development.

I am looking for a skilled designer who can design a circuit and PCB for an ESP32 with POE+ and RS-485 interface using Easy EDA. Power Supply: - The desired power supply for the circuit is POE+ (Power over Ethernet). RS-485 Interface Data Rate: - The required data rate for the RS-485 interface is 250Kbps. PCB Design Requirements: - The client has specific requirements and preferences for the PCB design. Skills and Experience: - Experience in designing circuits and PCBs for ESP32 with POE+ and RS-485 interface. - Proficiency in using Easy EDA. - Ability to meet the specific requirements and preferences of the client for the PCB design. Please provide examples of previous circuit and PCB designs for similar projects.

8 adet step motoru aynı da çalıştırabilen bir elektronik devre kartı olacak, ölçüleri ve motor bilgileri verilecektir. 8 adet step motor süren devre kartları birbirlerine bağlanabileceklerdir. 485/232 veya benzeri bir bağlantı ile , üzerinde wifi modül olacak ama isteğe bağlı olarak master devreye eklenecek , diğer devrelerde kullanılmayacaktır.

Programmer is required to Read data from OPC server (Access) de Mitsubishi to Modbus RTU over RS485 in python or C in Windows 10, you need to map or address the bits of 20 registers in OPC Server running on the same PC with Windows 10, decatenating to write them to a remote controller using Modbus RTU over RS 485

Project Title: Modbus communication Description: I am in need of immediate assistance for my Modbus communication project. The ideal candidate should have strong research skills and knowledge in the technology field. -Skills and Experience: -Modbus communcation RTU 485 - Familiarity with PLC and HMI Communication - Tools familiar with visual studio 2019 and language C# Deadline: Before 6am (04/12/2023) (I must have to submit this project at 8am to my project coordinator).

...the necessary components and interfaces. Communication Modules: Integrate communication modules for three distinct connection modes: BLE for seamless connectivity with phones and mobile devices. Zigbee or Z-Wave for mesh support and connection to AWS Greengrass. 4G with a SIM card (MFF2) for direct network access. I/O Interfaces: Implement the required input/output interfaces, including 1x RS-485 for wired output. AWS IoT Integration: Ensure seamless integration with AWS IoT offerings, enabling secure and efficient data transmission and device management. Qualifications: Proven experience in PCB design and casing design for electronic devices. Familiarity with communication modules such as BLE, Zigbee, Z-Wave, and 4G. Proficiency in CAD software for PCB and casing design. St...

i need IOT based or STM32 based data logger. Need to read data from sensors i.e 4-20 mA or 0 - 10 volts or RS-485. and need to upload data to server by using LAN or SIM

...services and pricing to potential customers. Key Requirements: - Create a flyer that effectively showcases our services and pricing - Utilize bold and colorful design elements to grab attention - Ensure the flyer is visually appealing and professional - Incorporate the standard flyer size of 8.5 x 11 SIDE A: DIETERS MOTORS (LOGO AND ANY ART NEEDED ) , 805-485-1575 , 2681 VENTURA BLVD OXNARD CA 93036 , SPEIALIZING IN MERCEDES , BMW and EUROPEAN CARS. offer 4 DEALS: 1. 20% OFF 1ST VISIT 2. 20% OFF BRAKE SERVICE 3. 25% OFF OIL CHANGE 4. 30% OFF A/C SERVICE SIDE B: PRESTIGE DIESEL TRUCKS (LOGO AND ADDRESS AND ANY ART IDEA ) 805-253-0987 , 2681 VENTURA BLVD OXNARD CA 93036 , experts in Diesel Trucks, Powerstroke

I am looking for a freelancer who can assist me with the Australian Migration Qualification Skills Assessment for subclass 189. I need help with the entire process, including both assessment and submission assistance. Immigration Assessments at ACS. Skills and Experience Required: - Experience in Australian migration qualification skills assessment for subclass 189 - Knowledge of the requirements and guidelines for subclass 189 application - Expertise in preparing documentation for migration qualification skills assessment - Familiarity with the submission process for subclass 189 application - Familiarity with ICT security specialist roles and system analyst roles Tasks to be completed: - Review and assess my qualifications for subclass 189 application - Provide guidance and assistance...

...options : Only for reference . Service provider can propose if any suitable alternate models. Item Item description Model Details for prototype testing 1 Controller board AC/DC Power ESP8266 WiFi Single Relay ESP-12F Development Board LC relay ESP 12 1R D8 2 Temperature sensor DS18B20 Stainless Steel Package 1/2/3M Waterproof 18b20 Cable Module 3 Communication moduls MAX485 Module RS-485 TTL Turn To RS485 4 Energy monitor Communication Module PZEM 004T 5 Energy meter DDS5188 5(32)A 20A LCD digital Power Consumption Watt meters AC220V 6 Dust sensor options GP2Y1014AU0F Compact Optical Dust Sensor 5V CJMCU-103 Dust sensor ZPH02 Dust sensor 7 Thermal Imager options MLX90640BAA Infrared camera AMG8833 8x8 Infrared camera Raspberry Pi zero WH kit Pleas...

I installed poetry in my WSL but I keep getting errors every time I build my docker. I upgraded my poetry and I refreshed my file. Yet I get the error below.... Lets have a live call to fix this issue on zoom $>sudo docker-compose -f docker-compo...`poetry lock` command." #10 2.606 480│ ) #10 2.606 481│ elif not lock_version_allowed: #10 2.607 → 482│ raise RuntimeError( #10 2.607 483│ "The lock file is not compatible with the current version of Poetry.n" #10 2.607 484│ "Upgrade Poetry to be able to read the lock file or, alternatively, " #10 2.607 485│ "regenerate the lock file with the `poetry lock` command." #10 2.608 ...

...am looking for advice on the entire adjustment of status process. I am not sure what documents are needed for this process, so I need help in understanding the requirements and filling out the necessary paperwork for my case. I am seeking a freelancer who has experience in the K1 and K2 visa process - including but not limited to the filing of Form I-129F, Petition for Alien Fiancé(e); Form I-485, Application to Register Permanent Residence or Adjust Status; Form I-864, Affidavit of Support; Form I-130, Petition for Alien Relative; and, form I-765, Application for Employment Authorization. I am looking for a freelancer who can help me with this adjustment of status process, to ensure that it is done correctly, thoroughly, and as efficiently as possible. I would prefer s...

I am looking for a freelancer who can convert M-Bus data to ModBus format within a timeline of 1-2 weeks. Desired Outcome: - Conversion of M-Bus data to ModBus format Devices: - The client already has specific M-Bus and ModBus devices for the conversion M-bus device: Zenner EDC-172439 Converter M-bus to ModBus: ADF HD67029-B2-485-20 Skills and Experience: - Strong knowledge and experience in M-Bus and ModBus protocols - Expertise in converting data formats from M-Bus to ModBus - Ability to work within a tight timeline - Familiarity with the specific devices used by the client Please include your relevant experience and expertise in your proposal.

I am looking for a freelancer who can assist me with connecting RS-485 (IOT sensors) to a cloud server. The project requires the following skills and experience: Cloud Server Platform: - Proficiency in Microsoft Azure IoT Hub is essential for this project. Wireless Transmission: - The project requires wireless transmission, so experience in setting up wireless connectivity is necessary. Protocol: - The chosen protocol for this project is HTTPS, so knowledge and experience in working with HTTPS is required. Overall, the ideal freelancer for this project should have experience in connecting RS-485 (IOT sensors) to a cloud server using Microsoft Azure IoT Hub, setting up wireless transmission, and working with HTTPS protocol.

Hello, i need respberry pi based data logger. it need to read 4-20mA and Rs-485 and have to upload to server. i have code to read data from RS-485 and i can upload data to server using python. i required code and suitable hardware

Project Description: I am looking for a freelancer to help me with creating some data collection python scripts. This is for a solar remote water pumping system and will be connected via cell modem. We are planning on running the interface software on a RPI or similar SBC recommendations accepted :-) Two devices will be monitored 1) EP Solar tracer series charge controller (RS 485) - with RS 485 - USB adapter 2) X320 controlbyweb data aq unit (modbus tcp) same local network. : flow sensor and pressure sensor Solar parameters and the flow sensor and pressure sensor will be gathered and sent to a web server via get request (I will take care of that side) A extra bit of logic will need to be added "in the event the load on the charge controller load output is g...

I need someone to extract text data from 485 PDF pages and put it into an XLSX format. The ideal candidate should have experience working with PDF files and be able to accurately extract data from them. The project requires someone who is proficient in Excel and can deliver the final product in an organized and easy-to-read format. The project requires the following skills: - Data Entry - PDF Conversion - Excel proficiency The project budget is negotiable based on experience and speed of delivery.

I am looking for a freelancer who can help me with Raspberry Pi RS-485 connectivity for my industrial automation project. The ideal candidate should have experience in developing similar projects. Intended Purpose: - The RS-485 connectivity is intended for industrial automation. Sensors: - The type of sensors that will be monitored is energy meters (Modbus protocol). Number of Devices: - There will be 6-10 devices connected to the RS-485 interface. But for this task we just need to read data from a single sensor. Skills and Experience: - Experience in developing Raspberry Pi projects. - Knowledge of UART/RS-485 connectivity. - Experience in industrial automation projects. Specific Roadblock currently facing: I'm using this board: CM4-ETH-RS485-BASE-B ...

1. Analog input - Loadcell -2 channel Excitation voltage -5 vac Input voltage- 0 to 16.5 mv ADC requirement - 24bit 2. Analog output 0 to 10 vdc Resolution- 16 bit 3. Digital input A. High speed pulse input -1 A-B phase form...Loadcell -2 channel Excitation voltage -5 vac Input voltage- 0 to 16.5 mv ADC requirement - 24bit 2. Analog output 0 to 10 vdc Resolution- 16 bit 3. Digital input A. High speed pulse input -1 A-B phase format (encoder) B. digital input - 3 nos Emergency - 1 Limit switches - 2 4. Digital output A. High speed pulse output - up to 200khz - 1 B. Normally open output - 3 nos. 5. Rs 485 modbus communication - 2 way - 2 ports 6. Supply voltage for dedicated control should be 230vac from outside 7. 5vdc output ports -2 8. 24vdc output...

application development for esp8266 that performs the following task: it registers on the network with a static ip and automatically connects to another ip address (another esp8266), makes the communication between the serial ports of the two esp transparent. the sets of ip address, function or other to be imputed on source code

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I want someone experienced person to solve this task ,need a Arduino ide program for esp32 or esp8266 with TTl to Rs 485 converter to read modbus holding registers of any device,with wiring diagram.

We require a portal/app which can display data from our water flowmeter enabled with rs 485 communication via IOT gateway for 10 devices.

We require a portal/app which can display data from our water flowmeter enabled with rs 485 communication via IOT gateway for 10 devices.

Utilizing the Arduino Mega Run Multiple sensors, one after the other to display their output on an LCD screen. using sensors 2 ea Gravity SEN0308 analog capacitive soil moisture sensors to be set in different planters. 1 ea Gravity SEN0249 Analog pH sensor 1 ea NPK (nitrogen, phosphate, potassium) sensor through a RS-485. 1 ea fermion - Temp, Humidity(SHTC3), pressure (BMP280), AMbient light(VEML770), UV light(ML8511) Breakout (I2C/UART) or if this is a problem sensor as I am finding no singular programming for it, then I can just use 1ea Gravity UV sensor SEN0162. I am trying to connect all to bluetooth via a Gravity BLE sensor beacon, through a 6 in 1 USB to serial convertor(TEL0149). Besides the serial viewing of the readings, need to view output on eit...

Correction: *Take the I-918 Sub B, turn it into a fillable form with Prepare form, enter dummy data or the name of the field all dumped into a spreadsheet that accurately represents text data for text, checkmark for checkmark, numerical data for numbers. If its done write I should be able to upload data to the pdf form and download data from the pdf form to a spreadsheet. Document how you did it step by step. Download the I-918 Sub B unlock or remove permissionsI-918 Sub B Once the pdf is unlocked save it as “Save as other” = “Reader Extended Pdf Also the save must then be further selected as Enable more Tools(includes form fill-in and save)... Export your PDF to any format, select Microsoft Excel Workbook. After your all done you should have 2 files. File on...

Looking for Torrance Based Embedded C Programmer/ Microcontroller Developer/ Embedded Software Engineer/Firmware Engineer for Project Based Work, MATLAB software development Project Based Work. Looking for a Torrance based Embedded C Programmer to develop microcontroller code on Microchip’s SAM3X8E ARM Cortex-M3 or similar Microcontrollers. This project will involve serial communications (RS-485), control of GPIOs, analog sensor readings via external ADC (SPI), storage of data to flash memory (SPI), and communication to simple peripherals (i2c). The timing of various GPIO state changes, directed by serial commands, is crucial to the operation of this project. Thus, a good understanding of task scheduling, interrupts, and timing is required. • Requirements/Exp...

I have firmware for 7 segments display written in C, for Arduino. It displays data from the serial RS-485 or the DAC 4-20mA interface, into the 4 digits. In addition to adapting the Arduino firmware to the PIC18F, two P10 displays will be used to replace the 4-digit, 7-segment display. P10 display libraries available on the internet (validated). The hardware: > Mickroe Clicker 2 for PIC18FK > RS485 Isolator 2 Click > 4-20mA R click > 2un P10 display

Would like to use a gps receiver to pick out just the time code string and send it back out via RS-485 at 1200 baud.

Looking developer for a project. Lets say that i want a traffic light signal in LED panel format (64cmx32cm). Hardware/panel will receive inputs by rs232/485 comm. Will display received simple words or word pile (by rs232) on panel in red or green during certain seconds. Accept arduino, rapsberry or other solutions.

... as subject matter expert for Cyber/Product Security having strong software engineering knowledge of secure software development lifecycle and practices such as threat modeling, security reviews, penetration tests, and security incident response. -Knowledge of security test and verification scripts for testing GUI, Operating systems like Linux and Interfaces like RS-485. Assist engineering team in conducting security verification and validation efforts. -Lead internal Security research, reviews and POCs of operating systems and applications for compliance with policy, industry standards and manufacturer recommended security baselines -Help to develop, maintain and implement security policy, standards and procedures across the organization -Provide technical design

...this error message: node:events:491 throw er; // Unhandled 'error' event ^ Error: spawn node_modules/webpack/bin/ ENOENT at (node:internal/child_process:285:19) at onErrorNT (node:internal/child_process:485:16) at processTicksAndRejections (node:internal/process/task_queues:83:21) Emitted 'error' event on ChildProcess instance at: at (node:internal/child_process:291:12) at onErrorNT (node:internal/child_process:485:16) at processTicksAndRejections (node:internal/process/task_queues:83:21) { errno: -2, code: 'ENOENT', syscall: 'spawn node_modules/webpack/bin/', path: 'node_modules/webpack/bin/', spawnargs: [ '--progress', '--config=node_m

Android HMI (running on a N701 rugged tablet) controlling an actuator while collecting some data from cameras, push button, micro switch and rangefinder. Please find a prototype : (you can easily cut loading and password page by clicking on it) The devices are an actuator (connected to RS-485), 1 NO push-buttons (connected to GPIO), two cameras (connected to 1st and 2sd USB port), a rangefinder (conected to GPIO UART/I2C) and an NO Micro Switch (connected to GPIO). Cameras (GS-15WM) : - The full-size background of the UI is a live video feed on camera 1 (day light) or 2 (night - infrared light) - You can switch from camera 1 to camera 2 with the button located on the upper left corner. « Ax » number : - One important

We are building a prototype product (utilising a Raspberry Pi Zero) for some market testing. We require a 33 x 87mm PCB to be designed. The PCB will include a 24v PSU, RS-485, RS-232 and Ethernet interfaces. We also require a second, smaller PCB with 5 status LEDs and a reset switch which will connect to the main PCB described above. The outline design work and component selection has already been done. We will provide a full design file with data sheets and reference schematics. The project will require schematic capture (based on the supplied reference schematics), design optimisation and PCB layout for both PCBs. You will be required to sign an NDA and all design rights will transfer to the customer.

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my brother entered the usa by visa F1, then he got TPS (Temporary Protected Status) and he still with TPS, now he got married by Citizen Wife, they will file form I-130 & I-485 concurrently, my question is : does he has to fill out form Supplement A to form I-485? and does he has to file foms I-130 & I485 together at the same time same ENVELOPE?

...cost. Initial Budget is for the RS-232/485 driver only. I am using an industrial type RS232 to USB converter (FTDI chip) to pull the RS data into the computer. Two of the devices RS-232 devices are able to talk to the computer through the USB adapter. The other two I have not yet luck. The latter includes the RS485 and the issue maybe correct wiring as the instructions are skimpy (German). The devices are a motor, a temp controller, a Alicat mass flow meter and pH Electrodes via an amplifier. This is for a 6 bioreactor process control, monitoring and display application. There are 6 bioreactors, each of them has an Alicat massflow meter, a pH meter, a stirrer (RPM meter), and a heater with temperature probe. All signals come through RS-232 or RS-485 to the above mention...

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Требуется разработка программной части модулей автоматизации и периферии (датчиков, иных элементов системы) с поддержкой протоколов и интерфейсов: - OneWire, - CAN, - RS-485, - Ethernet, - JSON - API. В модулях используются микроконтроллеры (чипы): - STM32F405RGT6 - STM32F103CBT6 - STM32F103TBU6 - STM8S103F3U6 Реализация возможностей: - считывания показаний датчиков на борту и на интерфейсах, - индикация работы устройства, поддержка экрана, - управления реле, диммерами, RGBW-контроллерами, ИК-излучателями, иными выходами, - поддержка различных параметров каждого элемента (выхода): скорости включения, типа диммирования, длины импульсов и тд, - поддержка виртуальных устройств с похожей логикой работы, - поддержка функций языка программирования по документации (прилагается), - поддер...