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    5,000 battery switch circuit design jobs fundet, i prisklassen EUR
    €327 Gns Bud
    9 bud
    pcb desigg Udløbet left

    timer concept lcd 3 relay 3 buttons rtc 6 adc (op amp circuit)

    €78 (Avg Bid)
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    18 bud

    English: I am seeking an electronics expert to develop a custom Printed Circuit Board (PCB) for a DC-DC Step-Up Boost converter with the following specifications: Input Voltage: 20 to 30V Output Voltage: Adjustable from 35 to 52V Current: Support up to 8A Specific Requirements: Maximum Voltage Adjustment: The board must include a method for adjusting the maximum output voltage limit. Current Limit Adjustment: Implementation of a system for adjusting the current limit through a 0 to 3.3V input signal, where 3.3V corresponds to the maximum limit of 8A. Shunt Resistor and OPAMP: Incorporation of a shunt resistor with OPAMP, including potentiometers for fine calibration. On/Off Function: The board should allow the option to switch between input voltage (off) and amplified outpu...

    €276 (Avg Bid)
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    Basic Circuit Board Creation 6 dage left
    VERIFICERET

    ...with expertise in creating basic circuit boards to help with the development of a new product. We will have 15 led lights that can illuminate normally or flash. They will light in different sequences. Ie Light 1 flashes and light 5 lights. Then say light 3 illuminates and light 3 flashes etc. The idea is to have an app made to manage / send the info for the sequences, I need someone to create the circuit board with the lights so that we can connect to a mobile app. Key aspects of the project include: • The creation of a circuit board design that supports integrated circuits • The product is in its developmental stage, requiring your input and creativity Ideal skills and experiences: • Demonstrated experience in designing and developing...

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    I'm seeking an experienced Electrical Engineer to design a small-sized custom Printed Circuit Board (PCB) with integrated ESP32 and DRV8833 motor control drivers and 18650 rechargeable bttery. - PCB Size: The PCB should be small-sized, built with quality and precision, and space-efficient. - Motor Control: It needs to control a DC Motor using DRV8833 motor driver, ensuring optimal performance and minimal signal interference. - Voltage Range: The PCB should be designed to handle an input voltage of 5V, ensuring it's safe and efficient. - Battery: The design should incorporate a rechargeable battery without compromising the compact size. The ideal candidate should have proficient skills and experience in PCB design, electrical engineerin...

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    Laravel Web App Designer Required 6 dage left
    VERIFICERET

    Hello I'm seeking a talented web designer well-versed in Laravel ASAP to help develop news Web application. Ideal Skills and Experience: - Proven web design experience with Laravel - Strong understanding of user interface and user experience principles - Sensitivity to the unique design considerations for News web app My project plan 1. Multiple languages: Allows users to switch between different languages (e.g., English Turkish, French). management: , edit, and delete news posts. breaking news and featured news. news for better organization. user-submitted content (if applicable). accounts (optional): Enable users to register, log in, and personalize their experience. management: various content types like text, images, and

    €10 / hr (Avg Bid)
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    I'm in need of an expert in Arduino programming who is able to automate a sequence that includes two flow sensors, a temperature sensor, two digital relays, and a switch. The scope of this project involves: • Automation of liquid measurement, temperature regulation, and switch triggering. • Program the system to start a device based on liquid measurement. Necessary skills: • Proficient in Arduino programming • Familiarity with working on flow and temperature sensors, digital relays, and switches. • Experience in creating automatic processes and sequences • Thorough understanding of device triggering based on liquid measurement. With your expertise, the system should function seamlessly and accurately automate the procedures as intended.

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    ...project, designed specifically with the receiver in mind. - Design Focus: The magazine is for a single reader, the person celebrating the birthday, and should be personalized to their tastes and interests. - Available Content: All content, including text and photos, is already available for you to utilize. Your role will be focused on the design and layout, bringing together the materials into a cohesive and engaging format. ( if available please provide historic project references ) - Theme: The overall feel of the magazine should be both personal and luxurious, akin to an exclusive glossy magazine ( JFK magazine, Bazaar, Vogue, Elle Decor.) High end luxury - Skills and Experience: Ideal freelancers should have experience in magazine design, with a portfolio show...

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    ...snippets, practice problems, and user discussions. Visualization: This is the heart of your website! Visualize how each algorithm works step by step. Iteration Animation: Show how data changes during each iteration (e.g., swapping elements in bubble sort). Allow users to: Toggle Visualization: Some learners prefer visualizations, while others prefer textual explanations. Provide an option to switch between the two. Play/Pause: Let users control the animation speed during visualization. Step-by-Step Mode: Allow users to move through each iteration manually. Quiz Mode: Test their understanding with interactive quizzes related to the algorithm they just learned 2. **Custom Input Section (Subscribed Members Only):** - Subscribed users can perform DSA ope...

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    I'm seeking an expert electronics engineer to design a circuit for an Arduino-based, battery-powered hand warmer device. This design must incorporate intelligent functionality for temperature and run-time control. Key requirements are: * The device should warm up to 42°C and maintain this for one minute. After that, it should shut down and take a break for an hour (this cycle to repeat continuously). * The unit must have a maximum temperature limit of 45°C. * There should be a 0.96 inch OLED screen displaying temperature and time status. * The design should include push button control to start the skin warming and once the push bottom pressed again the program should quit off the warming cycle . * Using Normally closed temperature switc...

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    I am seeking an Arduino expert to build a specialized library for my TI BQ78350. I need to be able to read these paramaters Static DF Signature ManufactureDate SerialNumber ManufacturerName DeviceName DeviceChemistry Discharge FET Charge FET I also need to be able to switch the Discharge FET and Charge FET on and off. I need this within 24 hours. The chosen freelancer must have extensive experience in and a deep understanding of Arduino Uno as the developed library will need to be compatible with it. Expertise in Arduino programming and a good understanding of the TI BQ78350 chip is crucial. Ultimately, I'm looking for someone who can deliver a reliable, high-performing solution, so if that sounds like you, I'd love to hear from you.

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    Open-Source Chat GPT 5 dage left
    VERIFICERET

    ...coding, So that I can enhance my productivity in both creative writing and software development. Acceptance Criteria Web Browser Accessibility Given the need for easy and quick access, When Jordan navigates to the Chat GPT application, Then it should be accessible through a standard web browser without the need for complex setups. Intuitive UI for LLM Selection Given Jordan's requirement to switch between tasks efficiently, When using the Chat GPT interface, Then there should be a clear and intuitive option to select between LLMs designed for text generation and coding. Effortless Transition Between Models Given the diverse nature of Jordan's projects, When switching between LLMs, Then the transition should be seamless, with the ability to quickly adjust settings or...

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    Project Overview: Briefly describe your air mouse concept, its functionalities (3-axis motion control, Bluetooth connectivity for PC), and target platforms (Windows and Mac). Hardware Specifications: Specify the desired functionalities: 3-axis accelerometer for motion detection Bluetooth Low Energy (BLE) for wireless connection Battery type (consider rechargeable Lithium-ion battery for extended use) Button layout (left click, right click, scroll wheel, etc.) Housing material and size requirements Software Development: Outline the basic functionalities for cursor control on PC (Windows and Mac compatibility is a complex task, be prepared to discuss options with the freelancer). Mention any additional features you envision (e.g., programmable buttons, power management). Delive...

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    I'm looking for an experienced full stack developer, particularly strong on the front-end, to create a web-based platform that simulates lab experiments focusing on Electronic Devices. Key Features: - Simulation of lab experiments specifically in the sector of circuit design and analysis. - Quiz section for each experiment Experience and Skills Required: - Extensive experience with Front-End development - Proven track record in creating interactive simulation applications The goal of this project is the realistic simulation of lab experiments conducive to a virtual learning environment. Relevant experience is essential. Please provide details of similar projects completed. Looking forward to collaborating!

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    Looking for an expert graphic designer who excels in logo modification and deep understanding of direct-to-film (DTF) printing requirements. - Increase Current Resolution: Even though our logo currently has a high resolution of 300 dpi, we desire a significant increase while maintaining picture quality for DTF printing. - Switch Colors: The logo only has two colors which need to be switched. Skills & Experience: Strong background in graphic design and familiarity with DTF printing is crucial. Proficiency in Adobe Illustrator, Adobe Photoshop, or similar graphics software will be necessary to complete the project successfully.

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    As an electronics enthusiast, I'm seeking a proficient LC Spice user who can conduct comprehensive analog circuit simulations. The attributes of an ideal candidate are: - Proficient in LC Spice for circuit simulation. - Understands analog circuits and how to effectively simulate them. - Capability to perform frequency analysis, transient analysis, and AC/DC sweep in the simulation. Your aptitude in these skills and tasks will contribute significantly to the success of this project. Familiarity with electronic component analysis and voltage/current measurements is a huge plus. I look forward to working with a professional who shares my passion for electronics.

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    I'm looking for an expressi...looking for an expressive voice artist who can deliver high-quality voice overs in both Tamil and English for my YouTube content. These videos are aimed at capturing the attention of teenagers through engaging, entertainment-focused content. Ideal Skills and Experience: - Experience in voiceover work, particularly in YouTube content production - Fluent in Tamil and English, able to effortlessly switch between these two languages - An understanding of how to engage a teen audience - Ability to convey entertainment content in an engrossing, lively manner The successful freelancer will be comfortable handling dynamic scripts, and ideally, should have a wide vocal range to cater to different storylines and characters. I look forward to hearing you...

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    I have a project where I simply need to know how to wire several miniature relays like the ODM 1 (VDE 0435) and others I really need to know which wire goes where to do a particular job in line with a 4-wire mechanical switch which has 2 NC wires and 2 NO wires and an existing NO/NC contactor system.

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    ...application for Android devices, similar to Mobile Tracker Free and Cell Tracker. Design and implement user-friendly interfaces for seamless navigation and usability. Collaborate with the project manager and other team members to define project requirements and timelines. Implement tracking functionalities such as GPS location tracking, call and SMS monitoring, internet activity tracking, etc. Ensure the security and privacy of user data by implementing robust encryption methods and secure data storage practices. Conduct thorough testing to identify and fix bugs, performance issues, and compatibility problems across various Android devices and OS versions. Optimize the application for performance, responsiveness, and battery efficiency. Stay updated with the latest Android...

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    i need somebody to help me to extend the battery of my solar cctv, when the cctv have more than fifth percent battery, it can film from time to time.

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    i just need a small circuit board design for my esp32 to sit in, and some pads for soldering wires. See diagram.

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    I'm seeking an expert in ESP32, someone who has successfully designed and constructed a data-collecting PCB. This device will incorporate 4-5 sensors, such as temperature and humidity sensors etc. The main aim of these sensors is to gather relevant data for later analysis. A reliable power source is essential for this device, necessitating the use of a battery to ensure continuous functionality. In the event of a power interruption, the device should be capable of entering a deep sleep mode after successfully transmitting data. Key points regarding the project are as follows: The project must be completed within 15 days. The device needs to transmit compiled sensor data at specific intervals. The ideal freelancer for this task should be proficient in ESP32, PCB development...

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    ...Button and not fancy UI from scratch. - Make the application available for iOS/macOS through the SwiftUI toolkit. Ideal Candidate Skills and Experience: - Strong proficiency in Swift and SwiftUI is mandatory. - Previous experience revamping CLI apps to GUI will be an asset. However, since the CLI interface details are not defined, I welcome innovative suggestions. - Understanding of user-centric design is desirable. Code and needed file attached. [Full details] Here’s how the frontend features can be outlined, incorporating persistence for user authentication, search history, app version organization, and the additional functionality to convert downloaded IPA files to ZIP format: Authentication View • Functionality: Users authenticate with their Apple ID to acce...

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    I'm in need of a marketing-savvy freelancer to help me sell ebikes. ...premium, Harley-style bikes are a perfect choice for: - Commuters looking to save on gas and avoid traffic - Outdoor enthusiasts - Elderly individuals wanting to enjoy a leisurely ride - Males aged 16-55 While the primary purpose of these ebikes is commuting, they are versatile and equally well-suited for leisurely and recreational rides as well. Key Selling Points: - Exceptional battery life - Harley-style design I'm looking for someone with experience in online sales, and a strong ability to target and engage potential customers. Skill in advertising strategy, online marketing and knowledge or interest in biking will be a strong advantage. Bring your expertise to this project and help me ge...

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    ...module. Option for measuring the distance to the drone using a laser. Acceptance Criteria: The software should be capable of detecting drones with a minimum size of 30 cm. The system should be able to simultaneously detect and display multiple drones. Recognition of drone types from a drone database. The UI will display a radar view and allow user interaction. Clicking on a drone will switch the system to tracking mode and zoom in on that drone. Alarm triggering should be reliable and effective. Documentation should include installation instructions, user manual, and technical documentation. Source code should be well-commented and structured. No use of the YOLO framework. Experience and references required...

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    The purpose of this project is to copy the attached creatives exactly the same but to ensure the crests are in alphabetical order. I'm in need of a reliable designer who can recreate the attached design for a backdrop and a pull up banner. The design needs to be exactly the same, aside from a rearrangement of the crests. The finalized design should be saved in CMYK format for print purposes. Here's what I'm looking for in an ideal candidate: The designs need to be the exact same as the attached, only thing is the attached is incorrect as their is a crest in the wrong order. 1 x Output (For Print): 800mmx2200mm 2 x Output (For Print): 2200mm x2200mm Athlone Town AFC Bohemian FC (Please make the Red text that says Dublin Originals, curved lines and s...

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    ...image processing capabilities, focusing primarily on image clipping and rotation within a live view. Key features: - Clipping features: The plugin needs to support clipping multiple images simultaneously and should offer automatic edge detection for clipping accuracy. It should allow custom shapes for clipping to cater for diverse designs. - Image Swapping: The plugin should let users easily switch between different clipped images Autocad plugin 1. Create block command "CB" -selected polyline or multiple polylines, press enter put part number let's say R1 approved with enter ( R1 part number will be visible on the center of part ) "DR" - selected created block or multiple blocks drag to images and dynamic live view clipped images will update copied ...

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    As an experienced user of AutoCAD bricksCAD, I am looking for an Autolisp programmer adept with the creation of tailor-made commands to enhance my workflow. Key tasks form the scope of this assignment: 1. Creating a basic electrical single line diagrams using interaction between excel data and predefined blocks in bricksCAD such as transformer, breaker, main switch board, distribution board, busbars,other electrical components.

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    My project requires a proficient individual to create a PCB design using Altium Designer. The task specifically details: - Crafting a moderate complexity circuit, encapsulating 10 to 50 components. - The construction of a double-sided PCB. The ideal candidate should possess: - Proficiency in Altium Designer. - Previous experience with designing circuits of moderate complexity. - Relevant experience in creating double-sided PCBs. Please provide samples of previous works if possible. This will be a great opportunity for those with the right skill set. Looking forward to your responses.

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    I am seeking an experienced developer to create an application that will be compatible with both iOS and Android platforms. The primary function of this application will be voice calls. Key Features: - SIP registration: You will be provided with the SIP account username, password, and IP from my soft-switch to integrate with the app - Ability to make calls from mobile SIM, not server - An integrated contact list The ideal candidate will have experience in developing voice call applications and have a good understanding of Session Initiation Protocol (SIP). Knowledge and experience with mobile application development for both iOS and Android platforms are essential. Your expertise in integrating apps with contact lists will be particularly valuable for this project.

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    I'm seeking a proficient electronics engineer to design a PCB board for a control system project. The PCB board needs to integrate key components: - A GPS Module - An ESP32 Microcontroller , Internet-POE ESP32 project is actually started, we already have the autium files with dimmension, but is full of mistakes. As an experienced professional in circuit design and prototyping, you will be tasked with ensuring these components are integrated seamlessly. Particularly, extensive knowledge in microcontrollers and GPS modules is essential for this project. The ultimate goal is a reliable and efficient PCB board for our control system.

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    ... "npm run lint:eslint:fix", "git add --force" ], "*.json": [ "prettier --write", "git add --force" ] }, "resolutions": { "babel-core": "7.0.0-bridge.0" }, "dependencies": { "@adobe/cq-react-editable-components": "~1.0.3", "@adobe/cq-spa-component-mapping": "~1.0.3", "@adobe/cq-spa-page-model-manager": "~1.0.4", "@ant-design/compatible": "^1.0.8", "@ant-design/icons": "^4.3.0", "@babel/polyfill": "7.4.3", "@gh/accordions": "^1.2.1", "@gh/buttons": "^1.5.0"...

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    Design a weatherproof sheet metal enclosure for a solar power system, to house the solar panel, and space for small electronics enclosure and lithium battery system. Design must be simple to manufacture and keep water away from the electronics and battery. The design should be visually appealing, concealing all wiring and electronics under the solar panel itself. The design must incorporate a sleeve to mount the enclosure onto a 90mm diameter steel pole and places to mount 2 antennas on top of the enclosure. Specific requirements: - The dimensions of the solar panel are 770mm x 670mm x 35mm. - Enclosure must have an access panel to remove the battery and electronics enclosure inside. - Electronics enclosure is approx 200mm x 100mm x 60mm...

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    ...interested in an electronics kit that can operate as a GPS anchor, primarily for tracking fishing spots but with a universal design which can integrate with any electrical trolling motor. Key features: - GPS tracking: Accurate positioning within a 3-meter radius on the marine surface. Experience with GPS technology is vital. - Anchor hold: Once the desired location is set on the GPS, it should hold the boat in that position. - Compatibility: Flexibility to integrate with any electrical trolling motor ensures this device caters to a wide range of sea faring vessels. Range: The product should have a decent tracking range, sufficient for typical boat outings. Battery life: - The electronics kit should run up to 5 hours, long enough for a good day of fishing or sailing. ...

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    Design PCBA 4 dage left
    VERIFICERET

    Just design a single bulb led circuit board/driver/ module. Plugged into a 12volts motor vehicle USB port.

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    I'm in the process of integrating a temperature sensor into a PCB circuit. Accomplishing this task requires in-depth knowledge and experience in programming in C++, Python, and Assembly language, as well as a deep understanding of both circuit design and sensor integration. Key requirements: - Proven experience in PCB circuit design, more specifically with sensor integration. - Proficiency in programming languages such as C++, Python, and Assembly language. - Detailed knowledge of temperature sensors and how to integrate them successfully into a PCB circuit. Your task would be to design a PCB circuit that integrates a temperature sensor while meeting the project requirements and timeframes. Interested specialists should demon...

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    ...4G module that runs on 3.8VDC, along with other peripherals that require 3.3V. The input power for the system lies in the range of 12-18 VDC. The power management circuit designed should: - Regulate Voltage: Ensure the voltage received by the EC200U module and peripherals is maintained precisely at their required levels. - Provide Battery Backup: Ensuring constant supply of power to the 4G module even when the main power source is unavailable. When main power is available, the battery should be charged and system is power from main power. Suitable candidates should have prior experience working with power electronics design, and specifically with industrial settings. Understanding the robustness needed in harsh industrial environments is key. Prior work ...

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    I am in need of an expert in PCB reverse engineering, with a primary focus on the component identification. For this project, I possess a physical circuit board, however, I'm unaware of what components have been used in it. The main goal is to identify these elements and their interconnections. Skills & Experience: - Profound knowledge in PCB circuitry and components - Experience in reverse engineering projects - Capability to work with physical PCB boards - Strong attention to detail in identifying unknown components Deliverables: - A detailed list and diagram of identified components and connections on the PCB.

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    Currently exploring a unique setup where I can utilize the Interception driver's functionality with a USB switch—a solution that presently, doesn't work. I am looking for a skilled developer well-versed in computer science and/or creating software drivers. The solution I am trying is to explore is similar to a technology that already exists, called Dynamic Device Mapping (DDM). DDM works where the usb peripheral is always sending an emulated signal to the computer without actually being connected. This tricks the computer into thinking it’s still connected to the computer when in reality, it isn’t. Why this line of thinking? By making sure there is an emulated connection between the USB Hub and the computer, the theory would be that the USB device w...

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    ...who can design a small circuit board (less than 2 inches). The board must utilize the Bluetooth audio master module I've sourced and support some basic Bluetooth pairing functions. Key Features: - Audio playback (via bluetooth module feasycom BT955) - Power management with 3.3V or applicable rechargeable battery and USB-C charging functionality - Button to scan for local Bluetooth devices - LCD display showing a list of devices - Buttons that give the ability to select a device from the display/list for pairing and pair to it - Button to reset the module/pairing - The bluetooth module will be set to HFP mode and support in/out audio from bluetooth headphones back to a wired in/out connection on the board. The professional I'm seeking ideally has experien...

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    ...start your BIds with "I have experience in Deploying Laravel apps on Azure Apps Service" If the Above line is not present your bid will ot be looked at. I need an expert Laravel developer with extensive experience working with the Azure App Service. You'll iron out some issues with my .htaccess subfolder redirection. Our app is installed on azure app service and working. However the /Public switch is not working properly. 1. It cannot find the proper and hence cannot find the auth/login 2.. If I Type https://url/public/ it opens bit cannot load the corrrect css 3. If I change the url to http://ur//public/ it can load the css but its an unsecured connection We are aware that the changes required are limited between the .env and .htaccess files so this is a mic...

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    Interval Workout Circuit Design 3 dage left
    VERIFICERET

    I'm in search of an expert in electrical engineering to create a unique circuit for timing a workout routine. The designed circuit should be capable of timing cardio exercises and strength training intervals for a seamless exercise regime. Key requirements are: - It should provide a signal for 1 minute of green light functioning as "exercise on", and 30 seconds red light acting as "exercise off". - This signals should be repeated cyclically until manually stopped. Ideal freelancers should have experience with circuit design, timing mechanisms, and they should have an understanding of fitness equipment or similar projects. This project offers an exciting opportunity to adapt traffic light technology for fitness purpose. If you'...

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    This project includes the control of a simulated Air Handling Unit and Compensated heating circuit. The 230V AC ‘Air Handing Unit’ (AHU) fan in this project shall be controlled using a VSD. A green ‘AHU Fan Running’ light on the front panel shall indicate if the fan is running. The operator should be able to set a desired speed of the fan on the HMI. The fan may also be controlled by a ‘Filter DP’ potentiometer at the front panel of the board. The potentiometer is being used to simulate a filter dirty condition, with an increase in resistance indicating an increasing filter dirty condition, thereby increasing the speed of the AHU fan to compensate. If there is a VSD fault, the AHU system should stop operating, and a red ‘VSD fault’ li...

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    ...in-person role working in the facility. This is a contract role that can last a minimum of 2 weeks and up to 6 months with the possibility of permanent placement. Mechanical Design Engineer – Low Voltage Position Overview: This position develops custom solutions that are used in a multitude of industries. Each project takes an idea from concept to design, to production. Responsibilities include creating, updating, and releasing mechanical drawing packages for assigned projects in compliance with customer and industry specifications. In this function you will: Develop and update mechanical approval drawings based on design reviews and customer comments. Develop and release mechanical manufacturing drawings inclusive of sheet metal fabrication details (flat...

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    Lokal
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    I am seeking an experienced electrical engineer, specialized in power system design. My project requires expertise in several key areas: - Circuit Design: This is central to the task. The hired professional will need to be capable of designing intricate power circuit systems that support my project's unique requirements. - Electrical System Analysis: I also require someone who understands the intricate details of electrical system analysis. You should be capable of assessing the viability and efficiency of the designed circuits, implementing changes if necessary. - Troubleshooting and Repair: There may arise situations where developed systems don't function as expected. Hence, problem-solving skills and ability to execute effective repairs are cruc...

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    ...with graphic design and branding expertise to participate in a competition to create engaging labels for my new brand of batteries, specifically designed for RC cars. Your task is to effectively communicate key elements such as: - My brand name and logo - Battery specifications and ratings - Safety warnings and instructions. 3 sizes: (1)1200mah 7.4V 30C sticker size:27*40mm (2)1400mah 22.2V 120C sticker size:30*55mm (3)5500mah 7.4V 50C sticker size:41*120mm Should say something like "veloci-cel by " The labels should be integrated into a custom-shaped package design, which can stand out in a crowded marketplace. Please factor in these details into your design and be sure to apply creativity and industry-specific knowledge. In addition t...

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    I am looking to commission a resourceful coder to create an executable compiled program named language_switcher.exe. This program should have the capability to launch a specific target program in English initially and then automatically switch its language to French upon opening.

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    Product case designs (STL Design) 3 dage left
    VERIFICERET

    I am looking for two product cases to be designed for 3d printing. I have a previous STL file to base one of the designs off and I will need something similar for the second. ...looking for two product cases to be designed for 3d printing. I have a previous STL file to base one of the designs off and I will need something similar for the second. Product Design 1: - Case has screw holes inside to fix a PCB - Case is screwable from the outside - Case has wall fixings - Case needs a small circular hole for a cable - Case needs a small hole on the top to press a button I have an STL file that does all of the above and I just need it to be modified. Product Design 2: - Case needs to clip together - Case needs to have a battery (I am using a coin cell battery) co...

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