Web design dc jobs
Adjust 5 - 12 v dc with digital potentiometer and RF module . Simple project . Microcontroller based
I am seeking an experienced LT Spice expert to assist with the design and simulation of a half-bridge circuit to drive an ultrasonic cleaner load, 60W, 39kHz, and 10R impedance. I have an LT spice model that needs to be updated to meet the requirement. The floating side needs to show a square wave and the output to the load needs to be a sinewave. The main requirement is to update the values of the discrete component and use a much better MOSFET to meet the required output of 600V AC, 0.5A, 39kHz Responsibilities: - Improve the LT Spice model for the half-bridge circuit (no rectifier needed), Output is AC and not DC - Conduct detailed simulations to analyze performance - Optimize circuit design based on simulation results The MOSFET part number is SIHP24N80AE-GE...
Design of Digital filter algorithm/ code in C for ARM processor for processing real time raw sensor to removal of noise & unwanted signal Algorithm / code for Digital Filter low bandwidth Real time Sensor Signals 1. Analogue Raw data acquisition in real time at 1000 samples per second in 24 bit precision 2. Raw data signal bandwidth /frequencies restricted to less then 1000 hz by hardware RC anti aliasing filter to avoid aliasing 3. Following Digital in sequence to be applied to raw signal . a. low pass filter 0-170 hzs ( to remove high frequency random / white noise b. High pass filter 1 hz to 400 hz (to remove low frequency dur DC signal coupling ) c. Very steep(narrow band) notch filter at 50 hz / 60 hz to remove power line interference a & b can be com...
I am seeking a skilled and experienced Switch Mode Power Supply (SMPS) design engineer. For my particular project, we will focus on AC-DC converters and should, therefore, possess specific expertise in switching regulation topology. Here's what I need: - Mastery in designing AC-DC converters utilizing switching regulation - Ability to design a converter with power output less than 100 Watts - Experience with power electronics and circuit design Your background should demonstrate relevant projects you've completed that are particularly linked to the aspects mentioned. Your strategic and innovative thinking will be highly valuable to create efficient and powerful designs.
I am seeking an Electronics Engineer specialized in power conversion, specifically the AC to DC conversion process (SMPS). The purpose of this project is to design and implement an AC to DC converter to serve as a power supply for an electronic device. The ideal candidate should have: - Extensive knowledge and experience in power electronics and circuit design - Proven experience in designing and troubleshooting SMPS Your responsibilities will include: - Designing a robust SMPS following given specifications - Validating the design through physical prototyping (dot board preferred) - Sharing the voltage sweep results with the proto Requirements: - Primary side: 90 VAC - 250 VAC input - Secondary side: 24 VDC (2A) and 15 VDC (3 A) (on the same transform...
...product imagery to effectively promote the product - Ability to incorporate product images into brochure design seamlessly Please see the following images attached to best describe what we need: 1st page - pic of man jumping out of car first page requires BMPRO logo in the top right-hand corner (image 106) - under BMPRO logo on the right hand side the following wording "BMPRO Power Station" in BMPRO fonts (attached) - under "BMPRO Power Station" the following wording "Powering your Adventures" in BMPRO fonts (attached) - A 3d pic of the power station bottom right hand corner that blends in with the rest of the picture (photoroom pic) 2nd page - Attached is an example please design and don't use this exact one - BMPRO logo bottom le...
In need of an individual who is familiar with, or capable of quickly learning, how to prepare and file an affidavit with the DC Superior Court civil division. This is for an ongoing business, so your assistance will be used for operational purposes. Key Requirements: - Knowledge or willingness to learn about the DC Superior Court Civil division filing procedures - Ability to prepare the affidavit providing evidence for a case - Familiarity with evidence presentation in a legal context - Excellent command of English and legal terminology No stringent confidentiality requirements are attached to this project. However, a basic level of professional discretion is expected. Legal background is a plus, but willing to consider individuals who demonstrate quick learning abilities...
I'm looking for a proficient IoT expert who can connect a ShellyUNI wireless sensor to a Node-Red flow using Mosquitto MQTT broker. Notably, my Node-Red is already installed and functional on a Raspberry Pi4. Key Tasks: - Configure the ShellyUNI wireless sensor to accurately transmit 0 to 12 DC volts. - Set up a system that enables data transmission every minute from the sensor to the Node-Red. Skillset Required: - Excellent knowledge of IoT - Extensive experience with MQTT, specifically using Mosquitto broker - Familiarity and hands-on experience with Node-Red on Raspberry Pi - Previous work with ShellyUNI wireless sensors The ideal freelancer for this project should have hands-on knowledge of working with ShellyUNI sensors, MQTT brokers, and Node-Red flows. This specif...
...to assist me in simulating DC arc faults in a photovoltaic (PV) system. Key Project Details: - The primary purpose of the PV system is power generation. - I need the simulation to provide details on basic electrical parameters and arc dynamics. - I need the simulation using different arc models (Cassie, Mayr, Habedank, Kema, Paukert, Modified Paukert, and Heuristic model). - The Pv system should be connected to the grid. - The Pv system should have a dc-dc converter and inverter. The ideal freelancer for this project should have: - Strong expertise in MATLAB - Simulink - Experience with simulating electrical systems - Familiarity with photovoltaic systems would be a plus - **Fault Duration and Conditions**: The simulation should be able to replicate varying dc...
I'm in need of an Arduino Programmer with expertise in DC motor control, programming logic, and inductive proximity sensor integration. Specific tasks include: - Programming logic for the DC motor microcontroller - Integrating an inductive proximity sensor for object detection - Implementing a speed regulation function (slow start, slow stop, foward, reverse speed and delay start) for motor control Please find the project detail on the attached document.
...Mostrar imagem na janela go func() { hdc := (hWnd) if hdc == 0 { ("Failed to get window DC") return } defer (hWnd, hdc) hdcMem := (hdc) if hdcMem == 0 { ("Failed to create compatible DC") return } defer (hdcMem) hBitmap := (int32(().Dx()), int32(().Dy()), 1, 32, (&[0])) if hBitmap == 0 { ("Failed to create bitmap") return } defer ((hBitmap)) oldBitmap := (hdcMem, (hBitmap)) if oldBitmap == 0 { ("Failed to select object into DC") return } defer (hdcMem, oldBitmap) rect := {Left: 0, Top: 0, Right: int32(img
I am in need of a creative, skilled web designer who can help me build a new interior design website. I like my current website - , but it needs to be updated and/or redesigned/recreated. I prefer a minimalistic, modern, timeless design and like to be closely involved in the creative process. I might also be interested in finding an expert Instagram user to consult to develop my Instagram presence. A designer local to the Washington, DC metropolitan area would be ideal but not required. While I'd like to have a quote or estimate for a finished website, I am open to paying on an hourly basis for ongoing services. Requirements: - I need a website that can serve as a portfolio showcasing my previous interior design projects. This means the website sho...
...Please collect product information on vehicles or service information that have or will have the technologies described in the “Technology Description” section below. <Technology Description> This technology switches the connector connected to the inlet of an electric vehicle between the locked and unlocked states. There are various types of connectors that connect to inlets. For example, there are DC charging connectors, AC charging connectors, discharge connectors, etc. At this point, you need to determine exactly what type of connector will be installed in the inlet. If the wrong connector is connected to the inlet and it becomes locked, the user may not be able to early recognize that the wrong connector is connected. Therefore, if the appropriate connector...
Crawl, extract, build and publish all Docker Hub, , GitHub, BitBucket, GitLab, Snapcraft, Flatpak, AppImages, DC++, eMule, BitTorrent and SoulSeek as deb packages (APT repository), from ISO, container images, and source code files. Also will run a web server. More details: Is this project for business or personal use? Personal What information should successful freelancers include in their application? Detailed project proposals How soon do you need your project completed? No time limit
It will crawl and extract all itags from all images from Docker Hub, , AWS ECR Public Gallery, Snapcraft, Flatpak, AppImages, Bundles, BitTorrent, EDonkey2000, SoulSeek and DC++, and it will build and publish deb packages (as APT repository), and it will also run a web server. More details: Is this project for business or personal use? Personal What information should successful freelancers include in their application? Detailed project proposals How soon do you need your project completed? No time limit
It will crawl and extract all itags from all images from Docker Hub, , AWS ECR Public Gallery, Snapcraft, Flatpak, AppImages, Bundles, BitTorrent, EDonkey2000, SoulSeek and DC++, and it will build and publish deb packages (as APT repository), and it will also run a web server. More details: Is this project for business or personal use? Personal What information should successful freelancers include in their application? Detailed project proposals How soon do you need your project completed? No time limit
I need someone who can develop and debug test automation, with a Java/Selenium/Maven/TestNG framework, for an Intranet web application. The automator should be located in Washington, DC, USAor in a metro-accessible DMV (DC/Maryland/Virginia) location. I need someone who can work next to me physically, as I am unable to allow anyone to remotely access my laptop because the project is running on a work computer and network, which is why I need someone local. Nobody on my team or project has experience with automation, and I'm having trouble with several framework design difficulties and test execution issues, which is why I need help. Outline of requirements: - Proficiency in Java programming language, Selenium, and TestNG - Be located in a metro-accessable ...
I need a PCB for controlling the residential electric current (220VAC) using the following componenets: - ESP32 as m...a PCB for controlling the residential electric current (220VAC) using the following componenets: - ESP32 as microcontroller -1 relay 3VD/220AC as an actuator - LoRa module (SX1278) to communicate with others equipments (already developed and manufactured). - RTC module (DS3231) for getting timeStamp. - An AC/DC currrent transofrmer (220VAC/12VDC) is needed to feed the entire circuit from the same electric source we are controling. - 2 voltage regulator: 12/5VDC and 5/3.3VDC I've design several measurements devices using ESP32, LoRa , RTC to create a monitoring net. This is a first control device that will be inluded. So there are a lot of material that ...
It will crawl and extract all itags from all images from Docker Hub, , AWS ECR Public Gallery, Snapcraft, Flatpak, AppImages, Bundles, BitTorrent, EDonkey2000, SoulSeek and DC++, and it will build and publish deb packages (as APT repository). It will be also run a web server. More details: Is this project for business or personal use? Personal What information should successful freelancers include in their application? Experience How soon do you need your project completed? No time limit
I'm searching for a proficient Arduino coder, to support in integrating dc motor driver, lcd20x4 with I2c and inductive proximity sensor into my existing project. The primary goal is to control 2 dc motor simultaneously. Key requirements for this role include: * Proficiency in Arduino coding * Vast experience with sensor integration, specifically using inductive proximity sensors * micro controller
I am looking for an experienced electronics designer to create a power supply circuit board. This project requires a detailed understanding of circuits and experience working with...discrete components. Your responsibilities will include: - Designing a power supply circuit board that meets my specifications using discrete components. - Providing a detailed explanation of your design, so I can understand how it functions. Ideal candidates should: - Have experience designing circuit boards, specifically power supply boards. - Be proficient with discrete components. - Have the ability to explain highly technical concepts in a manner that I can understand. Looking forward to seeing your bids! its a small constant current supply for LED Light, with input 230v AC and output 45v ...
I'm in need of an experienced Arduino programmer, with a strong background in integrating sensors and controlling motors. Ke...experienced Arduino programmer, with a strong background in integrating sensors and controlling motors. Key project tasks: - Integrating a motion sensor with my Arduino - Managing control of a DC motor - Setting up data logging functionality - small servo motor controlling and calibration Ideal Skills: - Proficiency in Arduino programming - Prior hands-on experience with motion sensors and DC motors - Familiarity with data logging processes is a plus! If you have the right skill set, I'd love to connect and further discuss the project details. Making a simple servo motor controlling and switching between dc motor and serv...
I require a specialist to implement a sensor data logging system using Arduino/ESP32. i Required candidate who have experties in aurdino / ESP32 and rotary encoder. Necessary Skills: - Comprehensive understanding of Arduino/ESP32 - Rotary encoder It's vital that the system be designed accurately to fulfill the need for reliable data storage. An understanding of data management and the capability to create systems for future data analysis is crucial. A background in similar projects would be greatly advantageous.
...replicate my inspirational patchwork design - An understanding of polyester materials, and how to best apply your skills to them - A willingness to work with color, as these caps will be blue. Quality workmanship and time efficiency are very much appreciated. Let's make something beautiful together. Brand Name: ami’Cura by “ami’Cura" It's a combination of "Ami" (friend in French) and "Cura" (care in Latin), conveying a sense of love, respect, and cultural diversity. Scope of Concept The Folders inside of the zip file goes a follows, remember there will be 3 different designs, one for each state. DC-Washington DC, MD-Maryland, VA-Virginia. Folder 1 - Shows you a known success brand here and I&rs...
While installing Exchange 2016 (CU4) in a new customers environment, I encountered an error. The install wizard would fail at 97% on step 6 and there were errors in the setup log file.
...in need of a highly skilled Laravel expert team to continue development on existing web application! The specific Task - Requirements Document will be provided. Project will be developed by Phases(milestones). Selected team will be having opportunity to work for long term! Skills and Experience: - Extensive experience in Laravel development - Proficiency in Laravel customization and optimization - Strong understanding of Gitlab - version control !* - Strong understanding of web development principles and best practices - Ability to work on a large-scale project and deliver high-quality results - Excellent problem-solving skills and attention to detail - Database Design & Management: The ability to design and manage a highly organized, efficient database...
I'm in need of an experienced electrical engineer with expertise in power systems and circuit design. I'm looking to have a flyback converter developed that can meet the following specifications: - Input Voltage: 24 V DC - Output Voltage: 3 V - Load: 5 Ω - Output Current: 1-3 Amps - Load-Voltage Variation: < ± 3% The primary objectives of this project are to achieve a high level of efficiency and to ensure the device can deliver a consistent 3V to the 5 Ω load, while also being able to handle variations within the specified range. Ideal candidates for this project should possess: - Proven experience in designing flyback converters - Proficiency in power systems and circuit design - Ability to optimize for high efficiency - Experience in deliverin...
...industrial product design, especially joystick controllers and driver units. - Experience in medical technology will be a valuable asset. - Knowledge in wired communication protocols like UART is essential for the job. the most important detail of the project as follow : A-the part we already done and proven its functionality : 1-the wheelchair are driven by dual DC motors and power with 24 volt battery. the dc motor and the mechanical part of the wheelchair already manufactured and tested. B- the part we need you to accomplished with industrial standers : 1- the complete schematic ,BCP and the manufacturing Gerber file . 2- the complete firmware code. information about the unit : 1-we had a joystick with driver that can help interesting candidate for rever...
...embodies the aesthetic of DC Comics. Key Tasks: - Develop detailed depictions of well-known DC Comics characters - Batman, Wonder Woman, Superman, Tim Drake, Michael Holt, Vic Stone, Dr. Fate The Spectre, among others. - Be innovative and bring to life an entirely different plot, not adhering to any particular DC Comics series or storyline in terms of events. Ideal Candidate: - Proven experience in comic book or graphic novel artwork. - Familiarity with DC Comics' artistic style and character design. - Ability to deliver high-quality graphics while respecting copyright and intellectual property rights. - Exceptional creativity and innovation, ensuring the originality of the plot. Immerse yourself in a distinct project that requires a balance ...
I require an intricate hardware developer with technical mastery to custom design an isolated encoder signal splitter board that's compatible with Arduino micro-controller, specifically ATmega2560. Key Features: 1. Voltage Isolation: The board must feature voltage isolation to ensure safe transmissions. 2. Compatibility: It must be fully interoperable with Arduino libraries which serves as a platform for expansion and experimentation. 3. Signal Amplification: the board should not draw more current than pull-up resistors for incremental encoders connection. If required, a signal amplification needs to be implemented. Standard signal voltage is 5V DC. Main Purpose: 1. Noise Reduction: It should provide clear communication by suppressing ambient noise in the signal. The...
i have a bussniss that provide services for garge doors in maryland , virginia and dc . i have a base adress in maryland but i would like to be shown on google maps on all ours areas of services and still keep the guidlines of google
...develop a custom board featuring the RP2040 microchip to control multiple DC motors and MOSFETs, with integrated voltage regulation. This project requires expertise in high-power applications, voltage regulation, and serial communications. Project Requirements: Microcontroller: RP2040 chip to manage all operations. Power Handling: Board must handle input of 24V. Voltage Regulation: Conversion of 24V input to 12V and 5V outputs. MOSFETs: 5 MOSFETs for 24V, 7A control. 4 MOSFETs for 12V, 5A control. Communication: USB Type-C for robust serial communication. Inputs and Outputs: 2 analog inputs. 1 One Wire communication interface. Additional pins for digital input/output as required. Deliverables: Complete PCB design files ready for manufacturing, including gerber files. Sc...
I have a medium-sized UK roof where I'm planning to install solar panels LANDSCAPE (Panel size as per attached file. My primary goal is to maximiz...Material. I need a professional to create a layout plan and string diagram for the installation. The adres is "Mirrorstone LE3 1 UQ (Leicester) UK" and you can find easily on google earth. Key Deliverables: - Lay out plan for the solar panel installation - String diagram showing the connection of the panels - Calculation on how many panels can fit on the roof - Determination of the required meter DC cable length Ideal Skills and Experience: - Experience in solar panel installations - Proficiency in creating layout plans and string diagrams - Understanding of UK roof regulations and requirements - Strong analytical a...
Raspberry PI CM4 carrier board design The project consist in the design of a CM4 carrier board whit specific requirements. All connections with ended with JST connectors, (except the antenna of the AIS, to be decided). The original idea is starting from a existing CM4 carrier board ‘open source’, and modify it to add/remove elements, also ‘open source’. Most of the requirements can be found in any CM4 carrier board available with a public license, for exampe CMIO from raspberry pi. Description of the elements, interfaces and other requirements follows • Maximum board size 100mmx200mm aprox. • Power souce 12v, protected and converted to other DC (present in CMIO) • USB-C with mini USB conector for programming (pres...
I'm looking for a skilled electrical engineer to design a tailor-made AC to DC converter with specific features and requirements. Key Features: - The converter needs to have voltage regulation, current limiting, and overload protection. - The input voltage range should be 200-240V, ensuring it's compatible with standard power supplies in a wide range of settings. - The desired output for this project is 24V and 4.2A. Ideal skills and experience for this job would include: - Strong background in electrical engineering, particularly in power electronics. - Previous experience in designing AC to DC converters with similar features. - Ability to ensure the design is cost-effective and reliable for long-term use.
Project descripƟon (given): Describe design of a simple “weather staƟon”, which measures temperature and humidity and displays the values on an LCD screen. The system is based on one or more Arduino boards and addiƟonal components. Design the structure of the system, select components and sketch the structure of the system soŌware. (Based on Arduino Project Handbook by Mark Geddes, 2016) Note: Not all details are specified in the descripƟon. For instance, we don’t know where exactly the system will work, how it will be powered (baƩery or grid), and how oŌen measurements will be taken. Resolving these issues is leŌ to you as the designer of the system. However, remember that each design decision requires a jusƟficaƟon. 3. General idea of the soluƟon: F...
I am currently working on a 35,000 square foot steel framed modular build new construction project in Washington DC as the Construction Owner's Rep. I am looking for a skilled esitmator who can assist with takeoff and value engineering before start of construction. your recent experience with similar projects do you collaborate with all the parties on a design/construction project? do you incorporate feedback and changes into your work?
The project consists of the design of number 2 PCBs. The first PCB named A is a breakout board for Arduino Mega and Giga, with a maximum size of 140x120 mm. The second PCB named B is a small board and it connects to PCB A with a flat cable, the size is not defined. In the PCBs there are JST HX - 2.54 or standard pin connectors, mosfets for power outputs, two A4988 modules to control 2 stepper motors and two DRV8833 modules to control 4 DC motors, there is also a 1W LED controlled by one of mosfets. The motor modules and mosfets must be equipped with jumpers to select the 5 or 12 volt power supply. Not all mosfets need to be controlled by pwm pins. All digital inputs must include a 10k ohm resistor, but with the possibility of excluding it. There are also digital and analog i...
...Specifically, I require assistance with a DC Sweep Analysis on a circuit of intermediate complexity. Key Tasks: - Conduct a thorough DC Sweep Analysis on the circuit - Provide insights into the analysis, particularly focusing on the behavior of diodes, BJTs, and operational amplifiers Ideal Candidate: - Proven experience with Pspice 9.1, having worked on similar DC Sweep Analysis projects - Strong grasp of circuit design and analysis, particularly with intermediate-level components - Excellent communication skills to explain the insights from the analysis in a clear and concise manner Your understanding of Pspice 9.1 and experience in working with intermediate-level circuit components will be crucial in delivering the accurate and insightful DC Swe...
I am seeking an Electronics Engineer specialized in power conversion, specifically the AC to DC conversion process (SMPS). The purpose of this project is to design and implement an AC to DC converter to serve as a power supply for an electronic device. The ideal candidate should have: - Extensive knowledge and experience in power electronics and circuit design - Proven experience in designing and troubleshooting SMPS Your responsibilities will include: - Designing a robust SMPS following given specifications - Validating the design through physical prototyping (dot board preferred) - Sharing the voltage sweep results with the proto Requirements: - Primary side: 90 VAC - 250 VAC input - Secondary side: 24 VDC (2A) and 15 VDC (3 A) - Should use UC3845 ...
...certified electrical engineer to create DC Fast EV Charging Station design documents. The design will be site specific and should be tailored for installation in urban areas and commercial properties, and it should have a capacity above 150 kW. We have multiple sites across the US where we need designs. Key requirements: - Design a DC Fast EV Charging Station: The project calls for a full-fledged design of a DC Fast EV Charging Station. - Adaptation for urban areas and commercial properties: The station should be optimized for city settings as well as businesses. - High capacity: The charging station must support charging above 150 kW. Ideal skills for this project include: - Experience with EV charging station design - Knowle...
I am doing a gut renovation of a 4-story townhouse in Washington, DC and I need help designing the internet connectivity throughout the house. I have some ideas of what the network might look like, but I want the guidance of an expert to make sure I don't make any mistakes. My thought is to have the electrician run ethernet cables from each floor to a central location where my modem will be located so I have a hardwired connection on each floor of the house. I would use those ethernet outlets to connect TVs that would stream content from the internet, and I'm also thinking of having a wireless access point on each floor to ensure strong wireless access throughout the house. I need help figuring out the exact equipment I should buy, and to confirm that my wiring plan wi...
I'm in need of a talented PCB designer who can assist in creating a simple but effective PCB for a power supply. Key Responsibilities: Need a Small PCB which will contain NodeMCU, 4 Relay, AC to DC 5v. This board is for home automation project which will connect through WIFI, RF and control all home appliances. Ideal Skills: - Proven experience in PCB design. - Understanding of basic power supply principles. - Proficiency in PCB layout softwares, like Altium or Eagle. This is a straightforward project suitable for a skilled PCB designer looking to take on a quick gig.
The creator of a blockbuster movie franchise is looking for new talent. He needs an illustrator adept in Marvel and DC style to create 22 pages of comic book illustrations. He has a finished movie and the script-- your task would be to create the comic book version which will be the first part of the graphic novel. Ideal Skills for the job: • Proficient in illustrating in Marvel & DC comic style • Capable of creating 22 pages worth of illustrations • Ability to accurately follow a detailed script and storyline Please include samples of previous work in your bid. Make sure they are in line with Marvel and DC illustration styles.
Simulate electron confinement that could occur in the nanopores created from anodizing aluminum foil, and placing the foil in an oscillating dc-bias electric field orthogonal to the plane of the foil, and an oscillating magnetic field orthogonal to the plane of the foil. Develop model of nanopore likely to occur from anodization of aluminum foil Develop model of nanopore in electromagnetic fields Simulate and provide means for optimization of fields Bonus - develop model for parametrizing the anodizing for optimizing characteristics of nanopores nanotechnology, simulation of electron behavior in quantum wells, simulation of electromagnetic fields
I'm looking for an experienced designer to help create a high-speed public EV charger. Key requirements include: DC fast charger - Focus on high efficiency and fast charging: The key goal of this project is to create a charger that can rapidly and effectively charge electric vehicles, catering to the needs of public use. The design should prioritize efficiency and speed without compromising on quality. - Additional features: While the primary goal is efficiency, I'm also interested in exploring additional features. This could include solar power integration to promote sustainability, and smart charging capabilities such as app control and usage tracking to enhance user experience. The ideal candidate should have: - A strong background in designing public EV cha...
Using OpenVPN with Samba 4 AD-DC. Am running into a problem where file shares open just fine when using an IP Address to the server however when using a domain name (A Record) it fails. In the end I am hoping to access the server using the domain and be able to open files and folders inside shares as normal. It is important that we resolve this via a screen share. I can do a zoom screen share and record the solution. This is a LIVE client server I have created a video to assist with your understanding of the problem. Please confirm you have seen it. * Thank you!
